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Governmental & Military
>> Aviation Abbreviations
Look through 4999 acronyms and abbreviations related to Aviation:
XCVR
— Transceiver
DEP PROC
— Departure Procedure
GTEE
— Guarantee
XMIT
— Transmit
ACAS
— Aircraft Collision Avoidance System
OPS
— Operations
NOTAMR
— Notam Replacing another Notam
AVSEC
— Aviation Security
LAN
— Local Area Network
ADVON
— Advanced Echelon
N/A
— Not Applicable
LTHH
— Liner Terms Hook/Hook (shipping)
RAIL
— Runway Alignment Indicator Lights
BTWN
— Between
D.O.T
— Department of Transport
ETA
— Estimated Time of Arrival
OPR
— Office of Primary Responsibility
XBAR
— Crossbar
MOLCHOPT
— More or Less Charterers Option
DLOSP
— Dropping Last Outwards Sea Pilot
DCE
— Data Circuit-terminating Equipment
IROI
— Instantaneous Return on Investment
T-VASIS T
— Visual Approach Slope Indicator System
FLSA
— Fair Labor Standards Act
ABT
— About
OEM
— Original Equipment Manufacturer (usually in reference to car parts)
MIN/MAX
— Minimum/Maximum
ARINC 604
— Guidance For Design And Use Of built-In Test Equipment
A-VDGS
— Advanced-Visual Docking Guidance System
BSS 1/1
— Basis 1 Port to 1 Port
LRU
— Line Replaceable Unit
DFAX
— Digital Facsimile
ACCUM
— Accumulate
ROM
— Read-Only Memory
C102 (TSO)
— Helicopter Radar Approach, Issued 04/02/84
FTP
— File Transfer Protocol
ICD
— Interface Control Document
MSG
— Message
LASER
— Light Amplification By Stimulated Emission Of Radiation (cf. Maser)
C/N0
— Carrier-to-Noise-Density Ratio
IQ
— Intelligence Quotient
DODAR
— Diagnosis, Options, Decision, Assessment and Revision
TBA
— To Be Advised
B-RNAV
— Basic Area Navigation
DWAT
— Deadweight
IRL
— Republic Of Ireland
FTE
— Full Time Equivalent
A-VASIS
— Advanced Visual Approach Slope Indicator System
ANSI
— American National Standards Institute, Inc.
A SMGCS
— Advanced Surface Movement Guidance and Control Systems
NOTAMC
— Notam Cancelling another Notam
IT
— Information Technology
FDEDANRSAOCLONL
— Freight Deemed Earned, Discountless And Non-Returnable Ship And Or Cargo Lost Or Not Lost
ARINC 422
— Guidance For Modification Status Indicators & Avionics Service Bulletins
R B
— Range and Bearing line
ANOVA
— Analysis of Variance (statistics)
Q.23
— Signalling system for PABX
BA FAIR
— Braking action Fair
PPE
— Personal Protective Equipment
A/D CONVERTER
— Analogue-to Digital Converter
X-BAND
— The frequency range between 8000 and 12500 MHz
JP
— Japan
FIFO
— First In, First Out
I AND Q CHANNELS
— In-phase and Quadrature channels
MAN
— Metropolitan Area Network
EPA
— Environmental Protection Agency (US)
D-GPS
— Differential Global Positioning System
A
— Ampere
EMARSSH
— Europe, Middle East, Asia Route Structure of the Himalayas
POS REF
— Position Reference
BA NIL
— Braking Action Nil
CPU
— Central Processing Unit
XGEO
— Cancel GEO
X-WIND
— Cross Wind
PDF
— Portable Document Format (created by Adobe Acrobat)
S-SUP
— Sector Supervisor
ERDF
— European Regional Development Fund
XECM
— Cancel Executive Controller Message
XLTR
— Translater
BA POOR
— Braking Action Poor
Q PROCEDURE
— Procedure to identify replacement flight plans
EXTRAP
— Extrapolate
IFPRU
— IFPS Responsible Unit
WX
— Weather
WAYPOINT
— Position in space usually on aircraft's flight plan
PACOTS
— Pacific Organised Track System
R-CHANNEL
— Random Access Channel
HALS / DTOP
— High Approach Landing System / Displaced Threshold Operations
KAEPA
— Kuwait Aircraft Engineers and Pilots Association
W/STEP
— With Step Change in Altitude
DA/H
— decision altitude/height
JAA AMC
— JAA Acceptable Means of Compliance
OBTEX
— Offboard Targeting Experiments
IP
— Internet Protocol
M:M
— Many-to-Many Relationship
CAA SI
— Civil Aviation Authority of Solomon Islands
D-ATSU
— A Downstream Air Traffic Services Unit
D-OTIS
— Data Link Operational Terminal Information Service
QC
— Quality Control
XCOORD
— Cancel Co-ordination
P,R,D AREA
— Prohibited, Restricted, or Danger Area
LTIOV
— Latest Time Information of Value
GUI
— Graphical User Interface (goo-ey)
FAASTEAM
— FAA Safety Team
SMEQ
— Subjective Mental Effort Questionnaire
T-ATSU
— Transferring ATS Unit
W/MOD
— With Modification of Vertical Profile
B/CRS
— Back Course
XASM
— Cancel Assume
F&CM
— Flow And Capacity Management
M-ADS
— Modified Automatic Dependent Surveillance
D-TO NL
— Derated Takeoff Engine Fan Speed
MOU
— Memorandum of Understanding (an MOU between Food & Drug Administratin and a regulatory agency in another country allows mutual recognition of inspections)
VAFORIT
— VAFOR Implementation
CAA NZ
— Civil Aviation Authority of New Zealand
NAAPE
— National Association of Aircraft Pilots and Engineers
CAA PNG
— Civil Aviation Authority of Papua New Guinea
MOA
— Memorandum Of Agreement
XCONF
— Delete CONFlict
R,E&D
— Research, Engineering and Development
FANOMOS
— Flight track and Aircraft NOise Monitoring System
DAARWIN
— Distributed ATM Architecture based on
O&M
— Operation and Maintenance
T-CHANNEL
— Time Division Multiple-Access Channel
RAARR
— Radar Arrival
XOFF/PDR
— Cancel Off Predetermined Route
ARINC 424
— Navigation System Data Base
IRR
— Internal Rate of Return
C/S/S/N
— Capacity/Safety/Security/Noise
O-QAR
— Optical Quick Access Recorder
V/TRK
— Vertical Track
EGATS
— Eurocontrol Guild of Air Traffic Services
FAQ
— Frequently Asked Questions (sometimes Pronounced Fak)
JAAC/JAA CE
— JAA Committee
GALPA
— Ghanaian Air Line Pilots Association
I(FD)
— MTI Improvement Factor
MLS
— Microwave Landing System
EDI
— Electronic Data Interchange
R-ATSU
— The Receiving Air Traffic Services Unit
SAAFEA
— South African Airways Flight Engineers Association
R&D
— Research & Development
RF
— Radio Frequency
HIRL
— High Intensity Runway Lights
XNSSR
— Exit NSSR
MTBF
— Mean Time Before Failure
XMITR
— Transmitter
BAHAMAS ALPA
— Bahamas Airline Pilots Association
SOP
— Standard Operational Procedure
LOI
— Letter Of Intent
XFRQ
— Cancel FreQuency message
CV
— Curriculum Vitae
PALLAS
— Phased Automation of the Hellenic ATC System
EAMG SSG
— EAMG Systems Sub-Group
SMTP
— Simple Mail Transfer Protocol
P.T.T
— Push-to-Talk
M/ASI
— Mach/Airspeed Indicator
IA-5
— International Alphabet Number 5
XBRIGHT
— Cancel highlighting
LOV
— List Of Values
LABSW
— LABS Switch System
HADAMARD
— Multi-radar processing written in ADA
OJT
— On the Job Training
DZ
— Algeria
IA/CC
— Indirect Access/Common Control
LABSC
— LABS GS-200 Computer
XIFL
— Cancel Intermediate Flight Level
P…
— Prohibited Area
P.ACCS
— Pairs of ACCs
XFDM
— Cancel FDM
DEC
— Digital Equipment Corporation
CRT
— Cathode Ray Tube (type of TV)
XHOLD
— Cancel Hold
VAT
— Value Added Tax
LABSR
— LABS Remote Equipment
I/AFSS
— International AFSS
EEO
— Equal Employment Opportunity
CTRL
— Control
AAF-1
— Director of Airway Facilities
BAREBOAT CHTR.
— Bareboat Charter
EANPG
— Regional European Air Navigation Planning Group
HALPA
— Hellenic Air Line Pilots Association
EAD SGR
— EAD Sub-Group
AAGDI
— Automated Air Ground Data Interchange
DAMFORDET
— Damages for Detention
VBFNG(HI)
— High speed CAS at N g's to buffet onset
VBFNG(LO)
— Low speed CAS at N g's to buffet onset
HBARO
— Barometric Altitude
AHRS
— Attitude Heading Reference System
FAACIS
— FAA Communications Information System
JAAB/JAA-B
— Joint Boards
JAARC
— JAA Research Committee
PALPU
— Pancyprian Airline Pilots Union
COD
— Cash On Delivery
VBF(LO)
— Flaps up minimum buffet speed at current maneuver load factor minus altitude dependent variable
ARPA
— Advanced Research Projects Agency (made early internet)
XEXPLT
— Cancel Extrapolation
CAP
— Civil Air Patrol
FY
— Fiscal Year
FYI
— For Your Information
C87A
— Low Range Radar Altimeters, Issued 01/01
C91A
— Emergency Locator Transmitter, Issued 04/85
NPV
— Net Present Value {economics}
PAQ
— Position Analysis Questionnaire
SOW
— Statement Of Work
GIS
— Geographic Information System
DARP(S)
— Dynamic Airborne Route Planning (System)
KARLDAP
— Karlsruhe Automatic Data Processing and Display System
JALPA
— Jamaica Air Line Pilots Association
DATALINK
— Digitized Information Transfer (air/ground)
EAPTU
— Air Line Pilots Trade Union
HAWOP
— Helicopter All-Weather Operations Study Group
AFDK
— After Dark
DE
— Germany
ADP
— Automated Data Processing
2H
— Second Half
NBFR
— Not Before
CIP
— Carriage and Insurance Paid to
ARINC 610
— Guidance For Design and Integration of Aircraft Avionics Equipment In Simulators, Supplement 1
LOB
— Line Of Business
ELBA
— Emergency Location Beacon-Aircraft
NADSW
— NADIN Switches
PCB
— printed circuit board
DABRK
— Daybreak
AOG
— Aircraft On Ground
TBD
— To Be Determined
EADCOS
— EAD Co-ordination Group
FACUTL
— Facility Utilization System
CFE
— Customer-Furnished Equipment
EU
— European Union (1994; formerly referred to as the EEC or EC)
DOD
— United States Department of Defense
PDA
— Personal Digital Assistant
LOA
— Letter Of Agreement
CDC
— Computer Display Channel
GPS
— Global Positioning System (ex-NAVSTAR)
IANSSC
— IANS Steering Committee
ACK
— Acknowledge (telecommunications; Cf. NAK)
ATA
— Area Transportation Authority
WWW
— World Wide Web
EU-OPS
— EASA Operations Regulations
IDP
— Individual Development Plan
ESA
— European Space Agency
ACFT
— Aircraft
IBM
— International Business Machines Corporation
HDLTSBENDS
— Half Despatch Lay Time Saved Both Ends
RNG
— Range
CIO
— Chief Information Officer
DOT
— Department of Transport
ISDN
— Integrated Services Digital Network
DSS
— Decision Support System
PRE-OJT
— Pre-On-the-Job Training
QMS
— Quality Management System
ASM
— Available Seat Mile
IMF
— International Monetary Fund
LADGPS
— Local Area Differential Global Positioning System
ERP
— Emergency Response Plan
FAR
— Federal Acquisition Regulation
QTY
— Quantity
NTSB
— US National Transportation Safety Board
CUG
— Closed User Group
ATCRBS
— Air Traffic Control Radar Beacon System
CHOPT
— Charterers Option
SAR
— Search And Rescue
AAL
— Above Aerodrome Level
GNP
— gross national product (economics)
FAA
— Federal Aviation Administration
SAN
— Storage Area Network
ICAO
— International Civil Aviation Organization
LVL
— Level
FDP/RDP
— Flight Data Processing/Radar Data Processing
DDU
— Delivery Duty Unpaid
FLT
— Full Liner Terms
CTR
— Center
AGL
— Above Ground Level
B/L
— Bill of Lading
QOS
— Quality of Service
ATHWARTSHIPS
— At right angles to the centreline of the ship
EXPLT
— Extrapolate
KE
— Kenya
MTTR
— Mean Time To Repair
IWL
— Institute Warranty Limits
FAS
— Free Alongside Ship
EXW
— Ex Works
BAF
— Belgian Air Force
FOB
— Free On Board
Q&A
— Question & Answer
APR
— April River Airport, April River, Papua New Guinea
CBT
— Computer Based Training
IATA
— International Air Transport Association
OUTB
— Outbound
KG
— Kilogram
PALS
— Precision Approach Lighting System
ATC
— Air traffic control
CONUS
— Continental United States (48 Contiguous States and DC)
DRAM
— Dynamic Random Access Memory (dee-ram) (computing)
VCRI
— Verification Cross Reference Index
PRI
— Primary Rate Interface (ISDN)
ADC
— Air Data Computer
RCR
— Runway Condition Reading
CQD
— Customary Quick Despatch
GSA
— U.S. General Services Administration
FDD
— Freight Demurrage Deadfreight
BVR
— Beyond Visual Range
CFR
— Code of Federal Regulations
NATO
— North Atlantic Treaty Organisation
CISO
— Chief Information Security Officer
TSTMS
— Thunderstorms
MHZ
— Megahertz (Megacycles Per Second)
INFO
— Information
COOP
— Continuity of Operations
BOD
— Beneficial Occupancy Date
DEBRIEF
— Debriefing
AMSL
— Above Mean Sea Level
CNEE
— Consignee
UA
— Ukraine
IAEA
— International Atomic Energy Agency
ARINC 753
— HF Data Link System
PM
— Preventive Maintenance
POS INIT
— Position Initialization
WAN
— Wide Area Network
COGSA
— U.S. Carriage of Goods by Sea Act
OMB
— Office of Management and Budget (U.S.)
ALSTG
— Altimeter Setting
MSL
— Mean Sea Level
AGW
— All Going Well
LED
— law enforcement desk; light emitting diode
16PF
— Sixteen Personality Factor Questionnaire
BPS
— bits per second
LNG
— Liquefied Natural Gas
HAZMAT
— Hazardous Material
LOI
— Letter of Indemnity
ALT
— Alternate
CPT
— Carriage Paid To
FOIA
— Freedom of Information Act
LOCID
— Location Identifier
ITU
— International Telecommunication Union
TC/OC
— Technical Control and Operational Control
ETS
— Estimated Time of Sailing
LSD
— Lashed Secured Dunnaged
ATA
— Actual Time of Arrival
SQL
— Structured Query Language
DDE
— Dynamic Data Exchange (in software parlance)
ACMS
— Aircraft Condition Monitoring System
AED
— Automated external defibrillator
IM
— Information Management
CM
— Centimeter
CEP
— Circular Error Probable
W
— Watt
EXTRM
— Extreme
BCR
— Benefit/Cost Ratio
HQ
— Headquarters (HDQ Preferred)
DML
— Data Manipulation Language
FCC
— Federal Communications Commission (US)
AC
— Air Canada
CAA
— Civil Aviation Authority
D-ATIS
— Digital - Automatic Terminal Information Service
ADSY
— Administrative Equipment Systems
DOS
— Disk Operating System
GE
— Georgia
ALSF-2
— High Intensity Approach Lighting Systerm with Sequenced Flashing Lights.
APU
— Auxiliary Power Unit
IR
— Islamic Republic of Iran
COS
— Chief of Staff
IFB
— Invitation For Bid
S
— South
CZ
— Czech Republic
HZ
— cycles per second (hertz)
TTG
— Time-To-Go
1 PPS
— One Pulse Per Second
ETC
— Estimated Time of Completion
SALS
— Short Approach Lighting System
AT&T
— American Telephone and Telegraph (U.S. company, also known as "Ma Bell")
DR
— Disaster Recovery
SVC
— Service
ADDENDUM
— Additional chartering terms at the end of a charter party
EEG
— Electro-EncephaloGram
EBCDIC
— Extended Binary Coded Decimal Interchange Code (pronounced Eb-see-dik) (cf. BCD)
OPM
— Office of Personnel Management
AFCS
— Automatic Flight Control System
HUMS
— Health and usage monitoring systems
CAF
— Currency Adjustment Factor
PDN
— Public Data Network
DVOF
— Digital Vertical Obstruction File
UN
— United Narions
GMT
— Greenwich Mean Time (Zulu)
FIM
— Fault Isolation Manual
MTTF
— Mean Time To Failure
CGL
— Circling Guidance Light
TTL
— Transistor-Transistor Logic
RVR
— Runway Visual Range
ARINC 743
— Airborne Global Positioning System Receiver
K
— Kilo-
NOTAMN
— New Notam
EG
— Egypt
APAPI
— Abbreviated Precision Approach Path Indicator
BRI
— Basic Rate Interface
IFTO
— International Federation of Tour Operators
CAT
— Category (e.g. CAT-5 cable)
PSTN
— Public Switched Telephone Network
COTR
— Contracting Officer Technical Representative
AO
— Authorizing Official
CMO
— Certificate Management Office
RESA
— Runway End Safety Area
PER SE
— By Itself
SMS
— Safety Management Systems
CIF
— Cost, Insurance, Freight
RISC
— Reduced Instruction Set Computer
IR
— Iran Air
MIPS
— Millions of Instructions Per Second
COA
— Contract Of Affreightment
TX / RX
— Transmitter / Receiver
AOR
— Area of Responsibility. The assigned area to any given unit.
MBO
— Management by Objective
NOAA
— National Oceanic and Atmospheric Administration (US)
ACPT
— Accept
DHDATSBE
— Despatch Half Demurrage on All Time Saved Both Ends
KBS
— Knowledge-Based System
MIL
— Military
VHF
— Very High Frequency
RSPL
— Recommended Spare Parts List
CASE
— computer-automated software engineering
L/C
— Letter of Credit
NM
— Nautical Mile
ALT
— Altitude
DME
— Distance Measuring Equipment
EIS
— Environmental Impact Statement (US)
PDPR
— Per Day Pro Rata
BELOW
— Beneath the deck
SAE
— Society of Automotive Engineers
DK
— Deck
GEN
— General Motors
LIDO
— Lufthansa Integrated Dispatch Operation
GPO
— Government Printing Office
PBX
— Private Branch eXchange (company phone system)
CPIC
— Capital Planning and Investment Control
UPU
— Universal Postal Union
AF
— Air Force
DBMS
— Data Base Management System
RFQ
— Request For Quote
EXER
— Exercise
AVMED
— Aviation Medicine
LEO
— Low Earth Orbit (satellite communications)
DEC
— December
EMS
— Environmental Management Systems
DDP
— Delivered Duty Paid
HU
— Hungary
MCE
— Management Centre Europe
ACD
— Automatic Call Distributor
COBT
— Calculated Off Block Time
CCSD
— command communications service designator; control communications service designator
ASR
— Airport Surveillance Radar
EPR
— Engine Pressure Ratio
SWIM
— System Wide Information Management
CAVU
— Ceiling And Visibility Unlimited
LEC
— Local Exchange Carrier
ETD
— Estimated Time of Departure
FD
— Flight Director
RLLS
— Runway Lead-In Light System
APS
— Arrival Pilot Station
NEG
— NEGative
IS
— Iceland
MIN
— Minimum
DIST
— Distance
EMP
— Electromagnetic Pulse
CU
— Control Unit
MK
— Republic of Macedonia
ARINC 542
— Airborne Oscillograph Flight Data Recorder
USAF
— United States Air Force
CFR
— Cost and Freight
ENG
— Engine
ARINC 419
— Digital Data System Compendium
DRP
— Disaster Recovery Plan
ITIL
— Information Technology Infrastructure Library
RCM
— Requirements Correlation Matrix
KW
— Kilowatt (one thousand watts) (measurement)
WAC
— World Aeronautical Chart
DOLSP
— Dropping Off Last Sea Pilot
RTE
— Route
CRF
— Central Repair Facility
BY
— Belarus
AIRNAV
— Airports and Navigation Aids Database System
TCP
— Transmission Control Protocol
ARINC 561
— Air Transport Inertial Navigation System - INS
MRC
— Monthly Recurring Charge
ADS-C
— Automatic Dependent Surveillance-Contract
FAC
— Facilities
CM
— Configuration Management
HUM RES
— Human Resources
DES
— Delivered Ex Ship
NOR
— Notice of Readiness
UHF
— Ultra High Frequency (300-3000 MHz; 1m-10cm)
MAINT
— Maintenance
ETO
— Estimated Time Over
ARINC 429
— Mark 33 Digital Information Transfer System
SNR
— Signal-to-Noise Ratio
OPI
— Office of Primary Interest
KHZ
— kilohertz (1000 cycles per second)
DAFIF
— Digital Aeronautical Flight Information File
ELINT
— Electronic Intelligence Satellite
AE
— Application Entity
2D
— Two-Dimensional
CAT
— Computer Aided Testing
WT
— Weight
ETE
— Estimated Time En Route
PVC
— Permanent Virtual Circuit (ATM)
EFTA
— European Free Trade Association (Geneva)
MAX
— Maximum
EAS
— Equivalent Airspeed
LF
— Low Frequency
FAR
— Federal Aviation Regulation
CDB
— Corporate Database
TV
— Television
CONOPS
— Concept of Operations
RMNDR
— Reminder
CKD
— Completely Knocked Down
EW
— Eurowings
RDP
— Radar Data Processing
AOM
— Aircraft Operating Manual
PABX
— private automatic branch exchange (telephone)
FD
— Free Discharge
OO
— SkyWest Airlines
EBU
— Engine Build Unit
CRC
— Contrôle de Redondance Cyclique (French: Cyclic Redundancy Check)
CW
— Continuous Wave
CDL
— Configuration Deviation List
RMS
— root mean square (preferred over "RMS")
BW
— Bandwidth
PRN CODE
— Pseudo Random Noise Code
CAT X
— Category x Precision Approach
DRAUGHT
— Depth to which a ship is immersed in water
MODEM
— Modulator-Demodulator
N
— North
HWCI
— Hardware Configuration Item
COTS
— Commercial Off the Shelf Software
DMA
— direct memory access (computer term)
BAF
— Bunker Adjustment Factor
PCT
— Percent
LAT
— Latitude
P&I
— Protection and Indemnity insurance
AFSPS
— Arrival First Sea Pilot Station
TK
— Turkish Airlines
FT
— Feet
ARINC 743A
— GPS/GLONASS Sensor
IFF
— Identification Friend or Foe (radar)
E
— East
XFR
— Transfer
CRS
— Course
AA
— Always Afloat
CI
— China Airlines - Taiwan
AVG
— Average Voltage Gain
ADZY
— Advisory
MBPS
— Megabits per second
ANS
— Answer
CRM
— Crew Resource Management
SNGL
— Single
LUX
— Findel International Airport, Luxembourg-Findel, Luxembourg
EFQM
— European Foundation for Quality Management's
QUIS
— Questionnaire for User Interface Satisfaction
WO
— Without
MSA
— Minimum Safe Altitude
I/O
— Input/Output
FAA
— Federal Aviation Authority
DEQ
— Delivered Ex Quay (shipping)
C
— Centigrade
BDI
— Both Dates Inclusive
POS
— Position
MSDA
— Material Safety Data Sheet
ARINC 408A
— Air Transport Indicator Cases And Mounting
CY
— Cyprus Airways Ltd
NRL
— Naval Research Laboratory
RCU
— Remote Control Unit
DFDAU
— Digital Flight Data Acquisition Unit
FDOD
— CFMU – Flight Data Operations Division
FMC
— Federal Maritime Commission's
ATFM
— air traffic flow management
EGA
— Enhanced Graphics Adapter
JCN
— Job Control Number
ADDS
— Aviation Digital Data Service
CLR
— Clear
NPRM
— Notice Of Proposed Rule Making
HDOP
— Horizontal Dilution of Precision
EVM
— Earned Value Management
NTE
— Not-To-Exceed
FO
— For Orders
OSI
— Open Systems Interconnection (iso Standard)
BIT(E)
— Built-ln-Test (Equipment)
LY
— El Al Israel Airlines
ITSM
— Information Technology Service Management
SRV
— Server
CN
— Change Notice
MMU
— Memory Management Unit
OU
— Croatia Airlines
STTR
— Small Business Technology Transfer
SEQ
— Sequence
TOT
— Total
AT&T CSA
— At&t Customer Support Associate
ITMRA
— Information Technology Management Reform Act (Part of the Clinger-Cohen Act)
RMS ERROR
— Root Mean Square error.
RNP5
— Required Navigation Performance 5
FOUO
— For Official Use Only
AFA
— Association of Flight Attendants
FRS
— Functional Requirements Specifications
DPI
— Dots per inch.
CMC
— Central Maintenance Computer
EPROM
— Erasable Programmable Read-Only Memory
OTFO
— Operations Technical Field Office
GSE
— Ground Support Equipment
FOFFER
— Firm Offer
ARINC 747
— Flight Data Recorder
RAIM
— Receiver Autonomous Integrity Monitoring
DHDWTSBE
— Despatch Half Demurrage on Working Time Saved Both Ends
AAIM
— Aircraft Autonomous Integrity Monitoring
EST
— Estimated Starting Time
PAR
— Precision Approach Radar
FOT
— Free On Truck
PMP
— Project Management Plan
IPT
— Integrated Product Team
CX
— Cathay Pacific Airways
YD
— Yaw Damper
ADF
— Automatic Direction Finder
ATDNSHINC
— Any Time Day/Night Sundays and Holidays Included
AF
— Air France
AOM
— Aircraft Operations Manual
PQP
— Project Quality Plan
ISA
— International Standard Atmosphere
ATMAC
— Air Traffic Management Advisory Committee
NEPA
— National Energy Policy Act of 1992
LDAP
— Lightweight Directory Access Protocol (pronounced Ell-dap)
ARINC 597
— Aircraft Communications Addressing And Reporting System
AIXM
— Aeronautical Information Exchange Model
AAAA
— Always Accessible Always Afloat
RSVN
— Reservation
R
— Right
BM
— Beam
DDD
— Detailed Design Document
CGL
— Circling Guidance Lights
SCADA
— Supervisory Control And Data Aquisition
L
— Left
HMI
— Human Machine Interface
WOCL
— Window of Circadian Low
AY
— Finnair, Oyj - Finland
PRF
— Pulse Repetition Frequency
ACT
— Active
CG
— Center of Gravity (DXS)
ITF
— International Transport Workers' Federation
CDU
— Control Display Unit
LOA
— Length Overall
NOV
— November
MIRL
— Medium Intensity Runway Lights
EFMS
— Experimental Flight Management System
VSCF
— Variable-Speed Constant Frequency
AFB
— Air Force Base (USAF)
A/C
— Aircraft
CONS
— consumption
DTED
— Digital Terrain Elevation Data (dee-ted)
A02
— Automated Observation With Precipitation Discriminator
ASD
— Aircraft Situation Display
AUTOCAD
— Automatic Computer Aided Design
RDIF
— Radar Data Interchange Format
IRU
— Inertial Reference Unit
ACARS
— Aircraft Communications Addressing and Reporting System
BL
— Bale
CVR
— Cockpit Voice Recorder
KE
— Korean Airlines
AEA
— Association of European Airlines
ADC
— Air Defense Command
ARINC 573
— Aircraft Integrated Data System Mark
AOCS
— Attitude and Orbit Control System
CAVOK
— Ceiling And Visibility OK (Kav-okay)
LT
— Liner Terms
KM
— Kilometer (1,000 meters)
NESDIS
— National Environmental Satellite, Data, and Information Service
IMA
— Integrated Modular Avionics
CW
— Clockwise
NAVDB
— Navigation Data Base
ERP
— Effective Radiated Power
IFOR
— Implementation Force
TGT
— Target
HDLC
— High-Level Data Link Control
NAAQS
— National Ambient Air Quality Standards (US)
NACA
— National Advisory Committee for Aeronautics
FSRM
— Facility Security Risk Management
WO
— World Airways, Inc
HF
— High Frequency
FLT
— Flight
AIP
— Aeronautical Information Publication
ADIRS
— Air Data Inertial Reference System
ARINC 575
— Mark 3 Subsonic Air Data System
CPDLC
— Controller Pilot Data Link Communications
IN.HG.
— inches of mercury
EASA
— European Aviation Safety Agency
TBO
— Time Between Overhaul
DOP
— Dropping Outward Pilot
W
— West
NRT
— Net Restricted Tonnage
EHF
— Extremely High Frequency
BRK
— Break
ILO
— International Labour Organisation
PCM
— Pulse-Code Modulation
DGNSS
— Differential Global Navigation Satellite System
GFE
— Government-Furnished Equipment
ATD
— Actual Time of Departure
AWB
— Air Waybill
AHL
— Australian Hold Ladders
ARINC 603
— Airborne Computer Data Loader
AVAIL
— Available
RNP
— Required Navigation Performance
FCL
— Full Container Load
JAN
— January
3D
— Three Dimensional
DOS
— United States Department of State
GHZ
— Gigahertz
ACN
— Aircraft Classification Number
BR
— Eva Airways Corporation
WG
— Working Group
IF
— Intermediate Frequency
DH
— Decision Height
ANG
— Air National Guard
OVERBOARD
— Over the side or out of the ship
CW
— Carrier Wave
FACF
— Final Approach Course Fix
FREE EXINS
— Free of any Extra Insurance
LH
— Lufthansa German Airlines
DEA
— Drug Enforcement Agency
RDF
— Radio Direction Finder
NAS
— National Airspace System
GW
— Gross Weight
REQ
— Request
NW
— Northwest Airlines
NOTAM
— Notice to Airmen
AUG
— August
LZ
— Balkan Bulgarian Airlines
ALQDS
— All Quadrants
MAA
— Maximum Authorized Altitude
DDM
— Difference in Depth of Modulation
FANS
— Future Air Navigation System
MTBCF
— Mean Time Between Critical Failures
ARINC 557
— Airborne Voice Recorder
DID
— direct inward dial
PHA
— Preliminary Hazard Analysis
BL
— Blowing (METAR descriptor)
EET
— Estimated Elapsed Time
VAN
— Value Added Network
ASTERIX
— All-purpose Structured Eurocontrol Radar Information Exchange
CPD
— Continuous Professional Development
DNRCAOSLONL
— Discountless and Non-Returnable Cargo and/or Ship Lost or Not Lost
HIRO
— High Intensity Runway Operation
LIDAR
— Lander Light Detection and Ranging
CCITT
— Comite Consultatif International de Telegraphique et Telephonique (International Telegraph and Telephone Consultative Committee) [now ITU-T]
LF
— Load Factor
CCU
— Central Control Unit
ECAM
— Electronic Centralized Aircraft Monitor
BADA
— Base of Aircraft Data ; Aircraft performance Data
FZRA
— Freezing Rain (METAR Code)
PAPI
— Precision Approach Path Indicator (aviation)
FRB
— Failure Review Board
NCS
— National Communications System
AVOL
— aerodrome visibility operational level
FOD
— Foreign Object Damage
VSWR
— Voltage Standing Wave Ratio
NFPA
— National Fire Protection Association
OK
— Czech Airlines
GPRA
— Government Performance and Results Act
RSYD
— Release Subject to Your Discretion
PKI
— Public Key Infrastructure (cryptography)
DDS
— Digital Data Service
OGC
— Open Geospatial Consortium
AEW
— Airborne Early Warning
EIB
— European Investment Bank
BOFFER
— Best Offer
F
— Degrees Fahrenheit
ADCCP
— Advanced Data Communications Control Procedures
FP
— Flight Plan
FADEC
— Full Authority Digital Engine Control
DHS
— Department of Human Services
CPD
— Charterers Pay Dues
ARINC
— Aeronautical Radio Incorporated
BOW
— The forward part of a ship
A&E
— Architecture and Engineering
ISMLS
— Interim Standard Microwave Landing System
ARINC 740
— Multiple-Input Cockpit Printer
NASA
— National Aeronautics and Space Administration (US)
SN
— Brussels Airlines
BRG
— Bearing
A/A
— Air-to-Air
CDI
— Course Deviation Indicator
ABV
— Above
FONSI
— Finding of no significant impact. See Environmental impact statement (US)
EADI
— Electronic Attitude Director Indicator
MOLOO
— More or Less Owners Option
WPM
— speech--words per minute
HIRTA
— High Intensity Radio Transmission Area
CEQ
— Council on Environmental Quality (U.S.)
ARINC 542A
— Digital Flight Data Recorder
OCT
— October
DR
— Dead Reckoning
TOR
— terms of reference (ICAO/FAA)
SU
— Aeroflot Russian Airlines
EXEC
— Execute
MIT
— Massachusetts Institute of Technology (U.S.)
TLV
— Type-Length-Value
MDT
— Mean Down Time
ALSF2
— ALS with Sequenced Flashers II
SID
— Standard Instrument Departure
CVSM
— Conventional Vertical Separation Minimum
MAN
— Manual
ARINC 572
— Mark 2 Air Traffic Control Transponder
AFS
— Aeronautical Fixed Service
CAASA
— Commercial Aviation Association of Southern Africa
LLWAS
— Low Level Wind Shear Alert System
MEL
— Minimum Equipment List
FQR
— Formal Qualification Review
FEC
— Forward Error Correction
MCW
— Modulated Continuous Wave
HGT
— Height
AD
— airworthiness directives (FAA)
A/D
— Analog-to-Digital
ARINC 601
— Control/Display Interfaces
BROB
— Bunkers Remaining on Board
ARO
— Air Traffic Services Reporting Office
1 :1
— One-to-one relationship
HMI
— Hazardously Misleading Information
FRT
— Freight
DCA
— Defensive Counter Air
ARINC 566
— Airborne VHF Communications Transceiver And Mark 1 VHF SATCOM System
MDA
— Minimum Descent Altitude
DETRESFA
— distress phase (lCAO)
CUST
— Customs
PPI
— Plan Position Indicator
NAS
— National Aircraft Standard
AIDC
— Air traffic control Inter-Facility Ground Data Communications
XEU
— European Currency Unit
SHF
— Super High Frequency
CLD
— Cloud
ARINC 421
— Guidance For Standard Subdivision of ATA Spec 100 Numbering System for Avionics
MTTRP
— Mean Time to repair product
FZFG
— Freezing Fog
CIRM
— International Radio Maritime Committee
PFD
— Primary Flight Display
BWAD
— Brackish Water Arrival Draft
SARPS
— Standards and Recommended Practices
BOC
— Bell Operating Company
ALERFA
— alert phase
ODALS
— Omnidirectional Approach Lighting Systems
ALP
— Airport Layout Plan
SH
— Showers
FL
— Flight Level
NPS
— Navigation Performance Scales
AFSS
— Automated Flight Service Station
WP
— Work Package
GDOP
— Geometric Dilution Of Precision
C
— Close
ANSP
— Air Navigation Service Provider
AD
— Aerodrome
ELT
— Emergency Locator Transmitter
LOFT
— Line-Oriented Flight Training
CHTRS
— Charterers
AACO
— Arab Air Carriers Organisation
W
— White
FZDZ
— Freezing Drizzle
VMIN
— Basic Clean Aircraft Minimum CAS
DOI
— United States Department of Interior
MAG
— Magnetic
EDF
— Electricité de France
UL
— Uplink
MECO
— Main Engine Cutoff
AOB
— Air Order of Battle
PA
— Pan American Airways
ULR
— Ultra Long Range
TYPH
— Typhoon
FF
— Fuel Flow
NI
— Network Interface
CDRL
— Contracts Data Requirements List
TDMA
— Time Division Multiple Access
CAT
— Clear Air Turbulence
AC
— Altocumulus
CTA/FIR
— Control Area/Flight Information Region
ARTCC
— Air Route Traffic Control Center
DA
— Disbursement Account
ECAC
— European Civil Aviation Conference
ATLA
— Air Transport Licensing Authority
SS 30
— 30 Minutes after Sunset
EPCU
— Electrical Power Control Unit
ARINC 750
— VHF Data Radio
MDO
— Marine Diesel Oil
MRA
— Minimum Reception Altitude
SEP
— September
A&P
— Airframe & Powerplant
DAF
— Deliver At Frontier
GA
— General Aviation
SV
— Space Vehicle
IDS
— Intrusion Detection System
FEIS
— Final Environmental impact statement (US)
TEMP
— Temperature
AP
— Airport
PERF
— Performance
GSFC
— Goddard Space Flight Center (Greenbelt, MD)
FIS
— Flight Information Service
VGND
— Ground Velocity
CSD
— Constant Speed Drive
AIRPROX
— The code word used in air traffic incident report to designate aircraft proximity
HIWAS
— Hazardous Inflight Weather Advisory Service
RTOS
— Real-Time Operating System
VSBY
— Visibility
RM
— Risk Management
AFFSC (E)
— Air Forces Flight Safety Committee (Europe)
CBI
— Computer Based Instruction
GS
— Ground Speed
B
— Blue
ARINC 571
— Inertial Reference System
AWIPS
— Advanced weather Interactive Processing System (NOAA)
ACCT
— Accounting Records
T
— Time
LW
— Low Water
FLTCK
— Flight Check
SP
— Space
SSALS
— Simplified Short Approach Lighting Systerm
PRKG
— Parking
QPSK
— aeronautical quadrature phase shift keying
SDLC
— Software development life cycle
DEIS
— Draft Environmental Impact Statement (US)
PII
— Personally Identifiable Information
TTY
— Teletype Telex Machine
ACM
— Airspace Control Measures
SSEC
— Static Source Error Correction
AUTOVON
— Automatic Voice Network
ARINC 591
— Quick Access Recorder For Aids System
SAW
— Surface Acoustic Wave
AQP
— Advanced Qualification Program
FLAS
— Flight Level Allocation Scheme
BCA
— Benefit/Cost Analysis
AVBL
— available
COACP
— Contract Of Affreightment Charter Party
CPS
— characters per second
FSS
— Flight Service Station
BENDS
— Both Ends (shipping)
A/C
— Aircraft Commander
RNP-10
— Required Navigation Performance
MLW
— Maximum Landing Weight
5LNC
— Five Letter Name Code
FMC
— Flight Management Computer
SBIR
— Small Business Innovation Research
CAP
— Combat Air Patrol
BA
— Braking Action
8.33 STATE
— A State initially implementing 8.33 kHz channel spacing
SITA
— Société Internationale de Télécommunications Aéronautiques
Z
— Zulu (Greenwich mean time)
POL STAT
— Policy Statement
INS
— Inertial Navigation System
ND
— Navigation Display
TAS
— True Airspeed
HZ
— Haze (METAR Code)
GCA
— Ground-controlled approach
JPDA
— Joint Probabilistic Data Association
TCA
— Terminal Control Area
CFAR
— Constant False Alarm Rate
DBS
— Direct Broadcast Satellite
ILSP
— Integrated Logistics Support Plan/Program
RFC
— Request For Change
LGTD
— Lighted
NASTEP
— National Airspace System Technical Evaluation Program
NAABSA
— Not Always Afloat But Safely Aground
OT&E
— Operational Test and Evaluation
ADIZ
— Air Defense Identification Zone
ATCSCC
— Air Traffic Control System Command Center
IMC
— Instrument Meteorological Conditions
TCU
— Towering Cumulus
ARINC 606
— Guidance For Electrostatic Sensitive Device Utilisation & Protection, Sup. 1
EIA
— Extended Interaction Amplifier
MMEL
— Master Minimum Equipment List
ADV
— Advise
FEP
— Front End Processor
ARINC 559A
— Mark 2 Airborne HF SSB/AM System
IISLS
— Improved Interrogation Side Lobe Suppression
GBAS
— Ground Based Augmentation System
HEX
— Hexadecimal (base 16)
NORDO
— No-Radio
HUD
— Head-Up Display
CDT
— Command Delivery Time
DIR
— Directory
FOQ
— Free On Quay
V
— Volt (measurement)
ID
— IDentifier
ARINC 757
— Cockpit Voice Recorder
FRA
— Federal Railroad Administration
IPV6
— Internet Protocol Version 6
CARSR
— Common Air Route Surveillance Radar
EEI
— Essential Elements of Information
DEM
— German mark
AWACS
— Airborne Warning And Control System
DNIC
— Data Network Identification Code
VDF
— Very high frequency Direction Finding station
FYG
— For Your Guidance
ARINC 744
— Full Format Printer
VMC
— visual meteorological conditions
FFA
— Functional Failure Analysis
PF
— Pilot Flying
AT
— Air Traffic
MCT
— Maximum Continuous Thrust
MVFR
— Marginal Visual Flight Rules
KBPS
— kilobits per second
FPL
— Full Performance Level
CTR
— Container Fitted
ATE
— Automatic Test Engineer
FIOS
— Free In/Out Stowed
DA
— Decision Altitude
THR
— Thrust
SIP
— State Implementation Plan
ALTRV
— Altitude Reservation
CART
— Classification And Regression Tree (method In Statistical Analysis)
CR
— Current Rate
CDM
— Collaborative Decision Making
FST
— First
BT
— berth terms
HO
— Hold Over
ACU
— Antenna Control Unit
PAMPLAY
— PAM rePLAY system
ACI
— Airports Council International
GML
— Geography Markup Language
ARAG
— Amsterdam Rotterdam Antwerp Gent Range
IRS
— Inertial Reference System
OL
— Operating Location
VCCS
— Voice Communication and Control System
COTP
— Connection-Oriented Transport Protocol
ATC-HMI
— Air Traffic Control Human Machine Interface
DCE
— Data Communication Equipment
GOES
— Geostationary Operational Environmental Satellite
OWS
— Owners
ARINC 596
— Mark 2 Airborne SELCAL System
NWS
— National Weather Service (formerly U.S. Weather Bureau)
WTSPT
— Waterspout
HVAC
— Heating, Ventilating, And Air Conditioning
V
— Velocity
CAB
— Civil Aeronautics Board
GS
— Glide Slope
LGT
— Light
AUSEP
— Australian RNAV Separation Standards
RMP
— Radio Management Panel
SAC
— Strategic Air Command
AMA
— Area Minimum Altitude
ATUTC
— Actual Times Used to Count
NRZ
— Non-Return-To-Zero
ADZD
— Advised
A/P
— Autopilot
ASDE-X
— Airport Surface Detection Equipment - X (frequency) band
CROB
— Cargo Remaining on Board
AMT
— Aviation Maintenance Technician
CD
— Candela
AITS
— Automated Inventory Tracking System
JD TF
— Job Description Task Force
MM
— Middle Marker
CNL
— Cancel
NTZ
— No Transgression Zone
RIB
— Routing Information Base
BOB
— Bunker On Board
LTOG
— Long Term Objectives Groups
ARINC 579
— Airborne VOR Receiver
DBE
— Disadvantaged Business Enterprise
LIM
— Limit
MSSR
— Monopulse Secondary Surveillance Radar
ARTS
— Automated Radar Terminal System
LRNS
— Long-Range Navigation System
PJMM
— Project Management Methodology
LSA
— Lysergic Acid Amide
4D FMS
— 4D Flight Management System
CRZ
— Cruise
DEG
— Degree
TDD
— Time Division Duplex
PFN
— Pulse-Forming-Network
FA
— Final Approach
SUA
— Special-Use Airspace
CDTI
— Cockpit display of traffic information
BKN
— Broken Sky (METAR Code)
AOC
— Airline Operation Control
SVID
— System V Interface Definition
LCN
— Load Classification Number
SSR
— Software Specification Review
ALS
— approach lighting system
EXTD
— Extend
VCO
— Voltage Controlled Oscillator (Oscillation)
ANA
— All Nippon Airways
AFCAC
— African Civil Aviation Commission
SUMI
— Software Usability Measurement Inventory
QUAD
— Quadrant
LT
— Long Ton
RPV
— Remotely Piloted Vehicle
HDG
— Heading
RAPPI
— Random Access Plan-Position Indicator
ATSAP
— Air Traffic Safety Action Program
SGS 85
— Sovietic Geodetic System
ALSF1
— ALS with Sequenced Flashers I
ATZ
— Aerodrome Traffic Zone
AODR
— Authorizing Official Designated Representative
HAT
— Height Above Touchdown
GUI
— Graphic-User Interface
NOSIG
— No Significant Change
FOQA
— Flight Operations Quality Assurance Programs
ACNZ
— Airways Corporation of New Zealand Ltd
HALO
— High Altitude, Low Opening (skydiving term)
FIR
— Flight Information Region
RTLS
— Return To Launch Site
DEM
— Demurrage
AKARD
— Available Knowledge And required system Research and Development
JMCT
— Job Management Consultative Team [job analysis]
AT
— Air Transport
LORAN
— Long-Range Aid to Navigation
FHA
— Functional Hazard Analysis
ACCID
— Notification of an aircraft accident
FMGC
— Flight Management Guidance Computer
BYD
— Beyond
MTBR
— Mean Time Between Replacement
SSR MODE S
— Selective Address SSR
EFIS
— Electronic Flight Information System
EQPT
— Equipment
AACO
— Arab Air Carriers Organization
ADF
— Automatic Direction Finding
HOV
— High Occupancy Vehicle
RAD
— Radio
UT
— Universal Time
LDI
— Landing Direction Indicator
LATA
— Local Access and Transport Area
ILS
— Instituteument Landing System
CDT
— Controlled Departure Time
MNM
— Minimum
GCU
— Generator Control Unit
ANTHAM
— Antwerp-Hamburg Range
ADVCTN
— Advection
CCIR
— International Radio Consultative Committee (French Acronym)
ARINC 404A
— Air Transport Equipment Cases And Racking
IFR
— Instrument Flight Rules
JUL
— July
LIFR
— Low Instrument Flight Rules
PUP
— Principal User Processor (NEXRAD)
ALSF
— Approach Lighting System With Sequenced Flashing Lights
1 :M
— One-to-Many relationship
AAA
— Amended meteorological message
IG
— Inspector General (HHS)
NAT NAM
— North Atlantic / North America
FEW
— Few
AFIL
— Air Filed Flight Plan
CATX
— Categorical Exclusion
ELVENT
— Electric Ventilation
FIW
— Free in wagon
MOD
— Modified
MCA
— Minimum Crossing Altitude
ADA
— Advisory Area
JTSO
— Joint Technical Standard Order
DPSK
— Differential Phase Shift Keying
CST
— Centistoke
IF
— Intermediate Fix
TCAS
— Traffic Collision Avoidance System
NSSL
— National Severe Storms Laboratory
CNCL
— Cancel
BSC
— Binary Synchronous Communication
SUP
— Supervisor
TMA
— Traffic Management Advisor
ASI
— Air Speed Indicator
TM
— Traffic Management
ASYNC
— Asynchronous
JAR-OPS
— Joint Airworthiness Requirements Operations
BIM
— Building Information Model
BASE AM
— Base Arrival Manager
FDR
— Flight Data Recorder
NEC
— National Electric Code
ADCOM
— Address Commission
PROC
— Procedure
VASIS
— Visual Approach Slope Indicator System
WINDR
— Wind Direction
PIREP
— Pilot (weather) Report
GRT
— Gross Registered Tonnage/Tons
RSLS
— Receiver Side Lobe Suppression
RWY
— Runway
FSK
— Frequency Shift Keying
AIRAC
— Aeronautical Information Regulation and Control
ARINC 566A
— Mark 3 VHF Communications Transceiver
AAOSA
— Always Afloat or Safe Aground
ARINC 306
— Guidance For Designers Of Aircraft-Electronic Installations
IFPZ
— IFPS Zone
AAS
— advanced automation system (FAA)
TIAS
— True Indicated Airspeed
MPO
— Metropolitan Planning Organization
DES
— Descend
APA
— Allied Pilots Association
AGHME
— Aircraft Geometric Height Measurement Element
ACH
— Air traffic control Flight Plan Change
HX
— No Specific working hours
STAR
— Standard Terminal Arrival Route
MCP
— Mode Control Panel
NPR
— National Performance Review (office)
SATCAS
— Selenia Air Traffic Control Automated System
CFI
— Certified Flight Instructor
CON
— Continuous
GDP
— Ground Delay Program
VTS
— Vessel Traffic Service
ANC
— Air Navigation Commission
FTI
— FAA Telecommunications Infrastructure
CAS
— Calibrated Air Speed
DIP
— Drop and Insert Point
ABAS
— Aircraft-based Augmentation System
AEFMP
— Algeria, Spain, France, Maroc, Portugal Project
CMIP
— Common Management Information Protocol (ATM)
NL
— Engine Revolutions per Minute
ODS
— Operational Data Store (knowledge management)
CPS
— Central Processing System
ATSU
— Air Traffic Services Unit
MOCA
— Minimum Obstruction Clearance Altitude
RATCC
— Radar Air Traffic Control Center
PRORES
— Problem Resolution
TMU
— Traffic Management Unit
RESMA
— Requirements for Emergency and Safety Airborne Equipment
ARINC 745
— Automatic Dependent Surveillance, Supplement 1
OP
— Operational
PFI
— Private Finance Initiative
IAO
— In And Out
HG
— Mercury (Latin Hydrargyrum)
TSU
— Technical Support Unit
ALPAP
— Air Line Pilots Association of the Philippines
NP
— Propeller speed
ARINC 574
— Passenger Announcement, Entertainment & Service Multiplex System
BUECE
— Back-up Emergency Communications Equipment
TDOP
— Time Dilution of Precision
SLEP
— Service Life Extension Program
M
— Manual
ACAMS
— Aircraft Condition Analysis and Management System
EST
— Estimated Ship Time
SSB
— Single Side Band
ATO
— Air Traffic Organization
MTD
— Moving Target Detection
CLC
— Course Line Computer
NCAR
— National Center for Atmospheric Research (US)
FSM
— Flight Schedule Monitor
ACAIS
— Air Carrier Activity Information System
PTUL
— Pilots Trade Union of Latvia
DIA
— Denver International Airport
ADVY
— Advisory
ECMT
— European Conference of Ministers of Transport
FR
— From
DZ
— Drizzle
APRT
— Airport
IU
— If Used
ATMAS
— Air Traffic Management Automated System
PSN
— Packet Switched Network
LAAS
— Local Area Augmentation System
TURB
— Turbulence
JAN
— January
WHO
— World Health Organisation
ACCS
— Air Command and Control System
FPM
— Feet Per Minute
AILS
— Automatic Instrument Landing System
LDG
— Landing (aviation)
AAIB
— Air Accident Investigation Branch
ATS
— Air Traffic Services
NSAP
— Network Service Access Point
ICASM
— International Congress of Aviation and Space Medicine
LVL CHG
— Level Change
AIMS
— Airplane Information Management System
A/S
— Alongside
IMG
— Immigration
DEP
— Depart
AST
— FAA Office of Commercial Space Transportation
AFISO
— Aerodrome Flight Information Service Officer
COV
— Cover
C/N
— Carrier-To-Noise Ratio
BS
— Bootstrap Service
DLP
— Data Link Processor
TOP
— Cloud Top
AS
— Altostratus
TBS
— To Be Supplied(by government)
RSTD
— Restricted
DP
— Dewpoint Temperatue
ARINC 609
— Design Guidance For Aircraft Electrical Power Systems
MN
— Magnetic North
AAP
— Advanced Automation Program
WGS 84
— World Geodetic System 1984
SSR
— secondary surveillance radar (ICAO/FAA)
ATIS-B
— Automatic Terminal Information Service - Broadcast
SMGC
— Surface Movement Guidance and Control
JUN
— June
CRM
— Cockpit Resource Management
BBB
— Before Breaking Bulk
CIP
— Capital Investment Plan
UIR
— Upper Information Region
ACSE
— Application Control Service Element
J2EE
— Java 2 Enterprise Edition
PMS
— Performance Management System
WMSCR
— Weather Message Switching Center Replacement
RDSIM
— Runway Delay Simulation Model
FREQ
— Frequency
ASMA
— Aerospace Medical Association
FILO
— Free In/Liner Out
TROP
— Tropopause
MOTNE
— Meteorological Operational Telecommunication Network in Europe
LRU
— Line Replacement Unit
NIMA
— National Imagery and Mapping Agency (became National Geospatial-Intelligence Agency|NGA)
IMDG
— International Maritime Dangerous Goods
ARSR
— Air Route Surveillance Radar
AZM
— Azimuth
CRAM
— Conditional Route Availability Message
MT
— Mertic Tonne
HSI
— Horizontal Situation Indicator
ATCO
— Air Taxi Commercial Operator
TODAH
— Take Off distance available, helicopter
DES
— Descent
ETVCT
— En Route Training Voice Communication Tool
DTM
— Digital Terrain Model
AWOG
— All Weather Operations Group
STA
— Scheduled Time of Arrival
EGPWS
— Enhanced Ground-Proximity Warning System
OCC
— Operations control center
CRDA
— Converging Runway Display Aid
DEM
— Digital Elevation Model
ALT HOLD
— Altitude Hold Mode
PREV
— Previous
DEL
— Delete
ARINC 578
— Airborne ILS Receiver
AMSS
— Aeronautical Mobile Satellite Service
ARINC 600
— Air Transport Avionics Equipment Interfaces
DET
— Detention
QAR
— Quick Access Recorder
DBRITE
— Digital Bright Radar Indicator Tower Equipment
ATIS
— Automatic Terminal Information Service
LON
— Longitude
FDPS
— Flight Data Processing System
ATLC
— Atlantic
FAP
— Final Approach Point
FEB
— February
IOT&E
— Independent Operational Test and Evaluation
AFDS
— Autopilot Flight Director System
FCA
— Free Carrier Alongside
ARR
— Arrive
I
— Italy
AOPA
— Aircraft Owners and Pilots Association
ADS
— automatic dependent surveillance
HDD
— Head Down Display
ADZ
— Advise
HAPI
— Helicopter Approach Path Indicator
DL
— Downlink Message
ADREP
— Aircraft Accident/Incident Data Reporting System
DRFT
— Drift
TBN
— To Be Notified
PHINOM
— Nominal Bank Angle
PROF
— Profile
NMC
— National Meteorological Center (US)
LHR
— London Heathrow Airport, London, United Kingdom
DITCO
— Defense Information Technology Contracting Office (formerly DECCO)
HW
— High Water
DETR
— Department of the Environment, Transport and the Regions
RNAV
— Random Navigation Area Navigation
SDR
— Service Difficulty Report
ARPA
— Advanced Research Project Agency's
DEA
— Data Exchange Agreement
SARSAT
— Search and Rescue Satellite
NDI
— Nondestructive Inspection
DIS
— Distance
TMC
— Thrust Management Computer
NR.
— Number
ASN
— Advance Shipment Notice
ACAS
— Airborne Collision Avoidance System
UAT
— Universal Access Transceiver
OCA
— Oceanic Control Area
VASI
— Visual Approach Slope Indicator
CPE
— Customer Premise Equipment
DOC
— Document
XAP
— Crossing Alternate Proposal Message
ELBA
— Emergency Locator Beacon Aircraft
FCC
— Flight Control Computer
FIXM
— Flight Information Exchange Model
LOM
— Compass Locator at the Outer Marker
ATAG
— Air Transport Action Group
XTRK
— Cross Track Error
STAB
— Stabilizer
STWL
— Stopway Lights
UAB
— Until Advised By
AAIB
— Air Accidents Investigation Branch
MNS
— Mission Needs Statement
FDIO
— Flight Data Input/Output
PROM
— Programmable Read Only Memory (chip)
SESAR
— Single European Sky ATM Research
EV
— every
C&A
— Certification and Accreditation
DALR
— Digital Audio Legal Recorder
LASKA
— Learning And Skills Acquisition
IVSR
— Interim Voice Switch Replacement Program
FIOST
— Free In/Out and Trimmed
WFTU
— World Federation of Trade Unions
RTCA
— Radio Technical Commission for Aeronautics
OBO
— Ore/Bulk/Oil vessel
CEC
— Commission of the European Communities ;
AFIZ
— Aerodrome Flight information Zone
SSR MODE S WG
— Secondary Surveillance Radar Mode Selective WG
SNPA
— Subnetwork Point of Attachment
CNDN
— Canadian
CAS
— Close Air Support
RDPS
— Radar Data Processing System
PMS
— Pavement Management System
APM
— approach path monitor
IMPR
— Improve
AFL
— Actual Flight Level
FBO
— Fixed-Based Operator
STOL
— Short Takeoff And Landing
CAEM
— Commission for Aeronautical Meteorology (WMO)
SATSAR
— Satellite-aided Search And Rescue
ACF
— Area Control Facility
PABX
— Private Automated Branch EXchange (company Phone System)
ABM
— Abeam
OAT
— Outside Air Temperature
TDWR
— Terminal Doppler Weather Radar
AARA
— Amsterdam-Antwerp-Rotterdam Area
MOC
— Memorandum Of Cooperation
MUD
— Mud Log
CFWU
— Central Flow Weather Unit
GNSS
— Global Navigation Satellite System
MLDT
— Mean Logistic Down Time
4D
— Four-Dimensional
FRQ
— Frequent
ACID
— Aircraft Identification
ADS-R
— Automatic Dependent Surveillance-Report
ACR
— Atlantic Co-ordinated Route
ARINC 608
— Standard Modular Avionics Repair And Test System
ASLAR
— Aircraft Surge Launch And Recovery
PASTUS
— Past Us
QTG
— Qualification Test Guide
AOR-E
— Atlantic Ocean Region East
ASPH
— Asphalt
PFA
— Probability of False Alarm
AEWPD
— Adapted EATM Work Programme Document
DESP
— Despatch
SM
— Statute Mile
AP
— Autopilot
A01
— Automated Observation Without Precipitation Discriminator
RUC
— Rapid Update Cycle
SASKI
— Name of an ATS Route reporting point
DNSTRM
— Downstream
MTI
— Moving Target Indicator
VCMAX
— Active Maximum Control Speed
ALCE
— Airlift Control Element
FRZN
— Frozen
AMSSP
— Aeronautical Mobile Satellite Service Panel
FIOT
— Free In/Out and Trimmed
IRM
— information resource management
CASA
— Civil Aviation Safety Authority
ARINC 605
— Users Guide For ARINC 616 Avionics Subset Of ATLAS Language
QAE
— Quality Assurance Evaluator
CAAC
— Civil Aviation Administration of China
AIRS
— Advanced Infrared Sounder
AC
— Advisory Circular
COP
— Custom of Port
FSDO
— Flight Standards District Office
BRL
— Building Restriction Line
4D-NAV
— 4D Navigation
QDR
— Reciprocal Magnetic Bearing
FTE
— Flight Technical Error
LNAV
— Lateral Navigation
SSAP
— Source Service Access Point
SURVITE
— Surveillance Integrated Tested for EATMS
SOPA
— Standard Operating Procedure Amplified
ECS
— Environmental Control System (Subsystem)
ATCRB
— Air Traffic Control Radar Beacon
CFDS
— Centralised Fault Display System
BSS
— Best Signal Selection
ADLY
— Arrival Delay
FRG
— Federal Republic of Germany's
BSS
— Basis
RAD
— Radial
RAPPI
— Radar Access Plan Position
EFAS
— En Route Flight Advisory Service
IRD
— Initial Requirements Document
AFSFO
— AFS Field Office
FIO
— Free In/Out
SGI
— Silicon Graphics Incorporated
LTP
— Landing Threshold Point
A/I
— Accident/Incident
AUTONAV
— Auto-Navigation
NADA
— NADIN Concentrator
CD-ROM
— Compact Disk - Read Only Memory
PDC
— Pre-Departure Clearance
PVD
— Plan View Display
TWIP
— Terminal Weather Information for Pilots
UTC
— Universal Time Coordinate
ECG
— En Route Communications Gateway
PELA
— Proficiency test in English Language for ATCOs
ARINC 413A
— Guidance For Aircraft Power Utilisation And Transient Protection
RPI
— Real Property Inventory
INIT
— Initial
ASCII
— American Standard Code for Interface and Interchange
AVI
— Audio/Video Interleaved Format
METAR
— Meteorological Terminal Aviation Routine Weather Report
AACC
— Airport Associations Co-ordinating Council
AIC
— Aeronautical Information Circular
ADS-B
— Automatic Dependent Surveillance-Broadcast
DEST
— Destination
OTV
— Orbital Transfer Vehicle
SGL
— Signal
SUBJ
— Subject
DGELG
— Dangerous Goods European Advisory Group
ATCT
— Airport Traffic Control Tower
CWY
— Clearway
GRI
— General Rate Increase
MAUW
— Maximum All Up Weight
FTS
— Federal Telecommunications System
CFIT
— Controlled Flight into Terrain
RMK
— Remark
SAT
— Static Air Temperature
V&V
— Validation & Verification
BRF
— Brief
DSPY
— Display
LCTD
— Located
LO
— Low
CEW
— Civil Engineering Works
ACC-PC
— ACC Planning Controller
CRN
— Crane
BN
— Booking Note
ACL
— Altimeter Check Location
IMAL
— Integrity Monitoring Alarm Limit
ARP
— Aerodrome Reference Point
XMT
— Excluding
AJR
— System Operations Services, Air Traffic Organization
8.33 CP
— 8.33 Contact Person
ECA
— European Cockpit Association
ASCP
— Aviation System Capacity Plan
AECB
— Atomic Energy Control Board
AOA
— Airport Operations Area
AFIS
— Airport Flight Information Service
AWOS
— Automated Weather Observing System
BASE
— Cloud base
FIT
— Free In Trimmed
FI
— Flight Instructor
OO
— Owners Option
SEA/TAC
— Seattle/Tacoma International Airport
API
— FAA Office of International Aviation
BRA
— Bearing, Range and Altitude
CTAF
— Common Traffic Advisory Frequency
DME/P
— Precision Distance Measuring Equipment
BTN
— Between
COB
— Closing of Business
SSTS
— Space Surveillance and Tracking System
F&E
— Facilities and Equipment
QF
— Quality Factor
IUHTAUTC
— If Used, Half Time Actually To Count
IA
— Inspection Authorization
ALPA
— Japan Air Line Pilots Association of Japan
JURG
— Joint Users Requirements Group
EGT
— Exhaust Gas Temperature
ASR-WSP
— Airport Surveillance Radar-Weather System Processor
ISLS
— Interrogation Side Lobe Suppression
ACDO
— Air Carrier District Office
SVVP
— Software Verification and Validation Plan
BI
— Both inclusive
ADIC
— ATS Interfacility Data Communications
GA
— General Average
GNCN
— GENERAL CONDITIONS
DOTCC
— Department of Transportation Computer Center
AAPA
— Association of Asia Pacific Airlines
PAWES
— performance assessment and workload evaluation
RD
— Requirements Document
CACRC
— Commercial Aircraft Composite Repair Committee
ITWS
— Integrated Terminal Weather System
DAPS
— Days all Purposes
ATFMS
— Air Traffic Flow Management System
DESC
— Descending
ARINC 415
— Operation/Technical Guidelines On Failure Warning and Functional Test
SVCBL
— Serviceable
TRU
— True
TCP / IP
— Transmission Control Protocol / Internet Protocol
OPT
— Optimum
MAR
— March
FARAWAY
— Fusion of Radar and ADS data through two WAY data link
VNO
— Maximum structural cruising speed
CDA
— Continuous Descent Approach
ABOVE DECK
— On the deck
FACC
— Feature and Attribute Coding Catalogue
ARINC 746
— Cabin Communications System, Supplement
DF
— Direction Finder (Finding)
AEV
— Annual Equivalent Value
RBP
— Radar Bypass Processor
OFZ
— Obstacle Free Zone
AACI
— Airports Association Council International
FEU
— Forty-Foot Equivalent Unit
IMPACT
— Information Market Policy Actions
ARF
— Airport Reservation Function
RMI
— Radio Magnetic Indicator
AMVER
— Automated Mutual-Assistance Vessel Rescue system
ESDI
— Enhanced Small-Device Interface
AATF
— Airworthiness Assurance Task Force
ATAF
— Allied Tactical Air Force (NATO)
RCH
— Reach
QDM
— Magnetic Heading
COT
— At the Coast
ARMATS
— State Closed Joint-Stock Company of Armenian Air Traffic Services
CRAF
— Civil Reserve Air Fleet
ASDA
— Accelerate-Stop Distance Available
PMS
— Program Management System
PRN
— Pseudo-Random Noise
LCL
— Less Container Loaded
AIMS
— Aircraft Integrated Monitoring System
MDD
— Meteorological Data Distribution
ARINC 414
— General Guidance For Equipment And Installation Engineers
AAME
— Association of Aviation Medical Examiners
DF
— Direction Finding or Finder
DTS
— Dedicated Transmission Service
RSR
— en-Route Surveillance Radar
DGAC
— Direction Générale de l’Aviation Civile
AMS
— Acquisition Management System
CDV
— Compressed Digital Video
IFPZ
— Integrated Initial Flight Plan Processing System Zone
ATTIS
— AT&T Information Systems
PBD
— Place Bearing/Distance
EB
— Eastbound
AIR
— Aircraft Certification Service
YOYO
— Only Y Available
ELD
— Electrical Load Database
FDP
— Flight Data Processing
AFIS
— Aerodrome Flight Information Service
FOD
— Foreign Object Debris
CNVTV
— Convective
WAAS
— Wide Area Augmentation System
FSP
— Flight Strip Printer
OMI
— Organisation Maritime Internationale (French: International Maritime Organization; UN)
NSSFC
— National Severe Storms Forecast Center
ARFF
— Aircraft Rescue and Fire Fighting
CPF
— Central Processing Facility
TSNT
— Transient
ANCA
— Airport Noise and Capacity Act
KCAS
— Knots Calibrated Airspeed
DA
— Descent Advisor
DVD
— Dual View Display
TVE
— Total Vertical Error
ASPW
— Any Safe Port in the World
JTIDS
— Joint Tactical Information Distribution System (djay-tidz)
PMA
— Parts Manufacturer Approval
VRB
— Variable
WRNG
— Warning
ACCC
— Australian Competition Consumer Commission
ALTM
— Altimeter
DMU
— Data Management Unit
PDR
— Preferential Departure Route
ADES
— Aerodrome of Destination
CRT
— Choice Reaction Time
ARINC 594
— Ground Proximity Warning System
3D
— Palair Macedonian
NRH
— No Reply Heard
AOV
— Air Traffic Safety Oversight Service
GEO
— Geographic
RP
— Restoration Priority
NSW
— No Significant Weather
GLOSS
— Global Sea Level Observing System (of IOC)
AVHRR
— Advanced Very High-Resolution Radiometer
AO
— Aircraft Operator
AWOP
— All Weather Operations Panel (ICAO)
MNOP
— Maximum Normal Operating Pressure
RTO
— Rejected Take-Off
LRCO
— Limited Remote Communications Outlet
CSMC
— Cyber Security Management Center
SES
— Single European Sky
ADSP
— Automatic Dependent Surveillance Panel
ATCO
— Air Traffic Controllers Organization
SCAT-1 APPROACH
— Special Category 1 Approach
DMN
— Data Multiplexing Network
BRM
— Barometer
EFB
— Electronic Flight Bag
ALF
— Aloft
LB
— Local Battery
ECPIC
— Electronic Capital Planning Investment Control
ICAO
— International Civil Aviation Organisation
SITA
— Société Internationale Télécommunique Aéronautique
ARINC 528
— Airborne Tape Recorder
A/H
— Altitude/Height
CSIS
— Centralized Storm Information System
ERR
— Error message
GEADGE
— German Air Defense Ground Environment
LORAN
— Long Range Navigational System
MEA
— Minimum Enroute Altitude
AAD
— Assigned Altitude Deviation
FWAD
— Fresh Water Arrival Draft
ADT
— Air Data Tester
REIL
— Runway End Identification Light
IVSI
— Instantaneous Vertical Speed Indicator
A/N
— Arrival Notice
ARINC 742
— Design Guidance For Windshear Warning and Guidance Equipment
CBFT
— Cubic Feet
ORCAM
— Originating Region Code Assignment Method
XNG
— Crossing
ACAA
— Air Carrier Association of America
ARAC
— Aviation Rulemaking Advisory Committee (FAA)
ACEP
— Airport Capacity Enhancement Plan
FLM
— Front Line Manager
EHSI
— Electronic Horizontal Situation Indicator
ADA
— Air Defense Area
RD-CHANNEL
— Random Data Channel
CNTRLN
— Centerline
CALS
— Computer-aided Acquisition and Logistic Support
IFRB
— International Frequency Registration Board of the International Telecommunication Union
FG
— Fog Gun
HURCN
— Hurricane
ONC
— Operational Navigation Chart
DAR
— Designated Agency Representative
ITIRS
— International Terrestrial Reference System
MHA
— Minimum Holding Altitude
A/A
— Air/Air
QP
— Quality Plan
SMR
— Surface Movement Radar
STANINE
— Standard Nine Score
PROB
— probability
IDENT
— Identification
TOD
— Top of Descent
M.
— meter
ANP
— Air Navigation Plan
ACSA
— Allied Communications Security Agency
NAWAU
— National Aviation Weather Advisory Unit
EMAS
— Engineered Materials Arresting System
AT&T ASDC
— At&t Agency Service Delivery Center
GNDCK
— Ground Check
SDP
— Service Delivery Point
UHF
— Ultrahigh Frequency
SMT
— station management (protocol)
LOF
— Lloyds Open Form
GFP
— Government Furnished Property
ODIF
— Open Document Interchange Format
OVC
— Overcast (METAR Code)
DPTH
— Depth
ABDIS
— Automated Data Interchange System Service
CRT
— Cargo Retention Clauses
LS
— Lumpsum Freight
KT
— Knots
CFP
— Cold Front Passage
BAA
— British Airport Authority
B/C
— Benefit/Cost
CWBS
— Contract Work Breakdown Structure
FIDS
— Flight Information Display System
ARINC 602
— Test Equipment Guidance
PSS
— Packet Switched Service
ABOARD
— On or within the ship
TO EPR
— Takeoff Engine Pressure Ratio
AOC
— Aerodrome Obstacle Chart
DRK
— Derrick
ARINC 577
— Audible Warning System
FPAP
— Flight Path Alignment Point
QBI
— Compulsory IFR flight
IA
— International Alphabet
ALPA-FYROM
— Air Line Pilots Association of The Former Yugoslav Republic of Macedonia
TN
— True North
COE
— Center of Excellence
AIFSS
— Automated International Flight Service Station
DPNG
— Deepening
FIX
— position in space usually on aircrafts flight plan
TLOF
— Touchdown and Lift-off Area
TIS-B
— Traffic Information Service Broadcast
CAVOK
— Clouds and Visibility OK
MMR
— Multi-Mode Receiver
RPP
— Radiation Protection Program
AFFREIGHTMENT
— The hiring of a ship in whole or part
AFMS
— Automatic Flight Management System
TLS
— Target Level of Safety
FSF IAS
— Flight Safety Foundation International Aviation Safety
FDE-ICD
— Flight Data Entry - Interface Control Document
M/V
— Merchant Vessel
F18
— Field 18 of Flight Plan
NAVSAT
— Navigation Satellite
CASOR
— Civil Area Services Operations Room
TBC
— The Boeing Company
HELIOPS
— Helicopter Operations Panel
NOPT
— No Procedure Turn Required
APPR
— Approach
LMM
— Compass locator at the middle marker
WMO
— World Meteorological Organisation
HDWTS
— Half Despatch Working Time Saved
ESEWD
— East-Southeastward
MDA/H
— Minimum Descent Altitude/Height
EFIS
— Electronic Flight Instrument System
AAC
— Airline Administrative Communication
EFSTS
— Electronic Flight Strip Transfer System
FHEX
— Fridays/Holidays Excluded
OPX
— Off-Premises Exchange
A
— Aeroplane
VNAV
— Vertical Navigation
LC
— Local Control
CBM
— Cubic Metres
HI FI SIM
— High-Fidelity Simulator
EAD
— Earliest Arrival Date
MMI
— Marshall Management Instruction
GPWS
— Ground Proximity Warning System
GLD
— Glider
WND
— Wind
DNSLP
— Downslope
AEP
— FAA Office of Aviation Policy Planning and Environment
MTF
— Modulation transfer function.
ADLP
— Aircraft Data Link Processor
ATOS
— Air Transportation Oversight System
XPNDR
— Transponder
FAF
— Final Approach Fixes
LAYCAN
— Layday Cancelling Date
AIG
— Airbus Industries Group
BM
— Beam, Maximum
ARINC 576
— Mark 4 Subsonic Air Data System
AMASS
— Airport Movement Area Safety System
NBCAP
— National Beacon Code Allocation Plan
HDG SEL
— Heading Select
AOC
— Aircraft Operations Centre
AASR
— Aging Aircraft Safety Rule
FMGS
— Flight Management Guidance System
APA(CV)
— Air Line Pilots Association (Cape Verde)
FPO
— Flight Procedures Office
ODAL
— Omnidirectional Approach Lighting System
RDVS
— Rapid Deployment Voice Switch
EIU
— Even If Used
TWY
— Taxiway
GENOT
— General Notice
FSCAP
— Flight Safety Critical Aircraft Parts
FAC
— Fast as can
NGA
— National Geospatial-Intelligence Agency (formerly National Imagery and Mapping Agency; US government)
AOCC
— Atlantic Operations Control Center
CG
— centre of gravity
RAES
— Royal Aeronautical Society
AM
— AeroMexico
RTQC
— Real Time Quality Control
VCSS
— Voice Communications Switching System
PT
— Product Team
SLOP
— Strategic Lateral Offset Procedure
ACLT
— Actual Landing Time Calculated
DEGS
— Degrees
MALS
— Medium-Intensity Approach Lighting System
ATDS
— Airborne Tactical Data Systems (USN)
FAL
— Final Assembly Line
NMB
— National Mediation Board
FRM
— Financial Resources Management Core Team
ASI
— Aviation Safety Inspector
ASQP
— Airline Service Quality Performance
AFN
— air traffic services facilities notification
SDIS
— Switched Digital Integrated Service
ATCCC
— Air Traffic Control Command Center
C-ATSU
— Controlling ATS Unit
DISCH
— Discharge
THDG
— True Heading
DR
— Drifting (METAR descriptor)
B&H
— Bosnia & Herzegovina
HID/NAS/LAN
— Host Interface Device/National Airspace System/Local Area Network
VSP
— Vertical Speed
NORAC
— No Radio Contact
C-ATSU
— Current Air Traffic Services Unit
MALPA
— Mauritius Air Line Pilots Association
BTH (R)
— Beyond the Horizon (Radar)
CWS
— Control Wheel Steering
CLKWS
— Clockwise
IFPS
— Integrated Initial Flight Plan Processing System
PALPA
— Pakistan Air Line Pilots' Association
FPLMTS
— Future Public Land Mobile Telecommunications System
BANS
— BRITE Alphanumeric System
CASS
— Continuing Analysis and Surveillance System
AEX
— Automated Execution
MTOW
— Maximum Take-off Weight
ATCO
— Air Traffic Control Officer
NP
— Network Protocol
FOR
— Free On Rail
ADSEL
— Address Selective SSR System
OLDI
— On-Line Data Interchange
A/L
— Anti-ice
SAS
— Scandinavian Airlines System
CPA
— Chairman's program assessment; closest point of approach
FE
— Flight Examiner
AAH
— Autonomous Aircraft Hybrid
AMIS
— Aircraft Management Information System
RCLL
— Runway Centre Line Lights
IFE
— In-Flight Emergency
VCMIN
— Active Minimum Control Speed
EARS
— En Route Analysis and Reporting System
APGSL
— Air Line Pilots Guild of Sri Lanka
AVGAS
— Aviation Gasoline
AMOS
— Automated Meteorological Observation Station
HEL
— Helicopter
AOR-W
— Atlantic Ocean Region West
ASE
— Altimetry System Error
ASA
— Airservices Australia
AVSI
— Aerospace Vehicle Systems Institute
NCN
— Non-compliance Notification
PIC
— Pilot In Command
PRM
— Precision Runway Monitor
ACM
— Acceptable Means of Compliance
APMS
— Automated Performance Measurement System
VTOL
— Vertical Take-Off & Landing
ES&H
— Environmental Safety And Health
EATCHIP
— European Air Traffic Control Harmonisation and Integration Programme
C/A CODE
— Course / Acquisition Code
A/G
— Air-Ground
ATSS
— Airway Transportation Systems Specialist
CWP
— Controller Working Position
ERIP
— EAD Remote Interface Package
PATCG
— PHARE Advanced Tools Co-ordination Group
PHPD
— Per Hatch Per Day
DMSH
— Diminish
QFU
— Magnetic orientation or runway in use
FCL
— Flight Crew Licensing
FPCP
— Flight Path Control Point
FPS
— Flight Progress Strip
A/G
— Air/Ground
BRITE
— Bright Radar Indicator Tower Equipment
MTCD
— Medium Term Conflict Detection
NCB
— National Cargo Bureau
HP
— Holding Pattern
ACRP
— Airport Cooperative Research Program
SVP
— Supervisor
JST
— Joy Stick
BCC
— Battery Charge Controller
ADDA
— Administrative Data
MAT
— Maintenance Access Terminal
IFSS
— International Flight Service Station
ATLAS
— Air Traffic Land and Air Study
CAR
— Civil Aviation Regulations
ITU WARC-95
— International Telecommunication Union World Radio Conference
5-ST-RSG
— 5-States Route Structure Group
ATFMU
— Air Traffic Flow Management Unit
KLM
— KLM Royal Dutch Airlines
DARC
— Direct Access Radar Channel
DYSIM
— Dynamic Simulator
TRK
— Track
RCLS
— Runway Centerline Lighting System
APC
— Aeronautical Passenger Communication
BASE AMD
— Base Arrival Manager Display
CYTA
— Cyprus Telecommunications Authority
SWAP
— Severe Weather Avoidance Program
COMCO
— Command Communications Outlet
AAC
— Mike Monroney Aeronautical Center
LOE
— Line Oriented Evaluation
E M
— signalling
EXP
— Expect
ERIDS
— En Route Information Display System
ISASI
— International Society of Air Safety Investigators
DOF
— Date of Flight
HST
— Hypersonic Transport
ATCSCC
— Air Traffic Control Systems Command Center
ALRS
— Alerting Service
CIE
— International Commission on Illumination
CUF
— Cumuliform
DOM
— Domestic
AFO
— Airport Field Office
MTW
— Mountain Waves
VCY
— Vicinity
ECAC AREA
— European Civil Aviation Conference Area
AERA
— Automated En Route Air
LYR
— Layer
ETG
— Enhanced Target Generator
ARINC 741P1
— Aviation Satellite Communication System:Part I- Aircraft Installation Provisions
SHAPE
— Supreme Headquarters Allied Powers Europe (NATO)
AJW
— Technical Operation Services, Air Traffic Organization
ASC
— AUTODIN Switching Center
COBLDN
— Closing of Business London
AGROUND
— Touching or fast to the bottom
ERAM
— En Route Automation Modernization
CWAR
— Continuous Wave Acquisition Radar
AAATS
— Australian Advanced Air Traffic Services
MIRACULIX
— Multi Interface Radarformat Calculator and
EIRP
— EffectiveIsotropic Radiated Power
FPA
— Flight Path Angle
GN
— Grain
WSO
— Weather Service Office
AMSS
— Aeronautical Mobile Satellite System
HED
— Heading
SSFDR
— Solid-State Flight Data Recorder
ARN-2 (TABLE)
— Radio Navigation Aids Associated with the Basic ATS Route Network Terminal Area and Instrument Approach Procedures
LRNAV
— Long Range Navigation
HHMMSS
— hour-hour / minute-minute / second-second
UAL
— United Airlines
AV
— Avianca (Aerovias del Continente Americano) Colombian Airline
FBO
— fixed base operator
ATCRU
— Air Traffic Control Radar Unit
WBC
— Weight and Balance Computer
QCM
— Quality Control Manager
ATOMS
— Air Traffic Operations Management System
ESRI
— Environmental Systems Research Institute (developer of geographic information systems (GIS) software, Redlands, California)
INBD
— Inbound
ATILO
— Administrative Tribunal of the International Labour Organisation
RA
— Resolution Advisory
DADC
— Digital Air Data Computer
AALPBH
— Association of Airline Pilots in Bosnia & Herzegovina
ADIS
— Automatic dependent surveillance and Data Link Interim System
OSA
— Operational Safety Assessment
NYPE
— New York Produce Exchange
PIREP
— Pilot Report
MODE C
— Altitude Reporting Mode of Secondary Radar
IUAI
— International Union of Aviation Insurers
CP
— charter-party
DG
— Directional Gyroscope
DABS
— Discrete Address Beacon System
A&F
— IFALPA Administration & Finance Committee
DFS
— Detailed Functional Specification
TARE
— Telegraphic Automatic Relay Equipment
FPA
— Focal Plane Array
A/T
— autothrottle
IGFET
— Insulated Gate Field Effect Transistor
D
— Derated
FPB
— Flight Progress Board
ADAP
— Airport Development Aid Program
VPATH
— Vertical Path
VRS
— Voice Response System
ATK
— Air Traffic Controller Acknowledgement
MCK
— Maintenance Check
AFT
— At or towards the stern or rear of a ship
ASP
— Arrival Sequencing Program
SRTM
— Shuttle Radar Topography Mission
SATCOM
— Satellite Communication
DATAC
— Digital Autonomous Terminal Access Communication
BTL
— Between layers
ATN
— Aeronautical Telecommunications Network
ASPENN RPG
— Aeronautical Fixed Service Planning Study EUR/NAM/NAT Regional Planning Group
IOSA
— Iata Operational Safety Audit
AFRAA
— African Airlines Association
EEC
— Electronic Engine Control
ADM
— Aeronautical Decision Making
4-MAST
— 4-MAST group
GMU
— GPS (Height) Monitoring Unit
AACC
— Airport Associations Co-coordinating Council
AOPG
— Aerodrome Operations Planning Group
ARINC 585
— Electronic Chronometer System
SRMDM
— Safety Risk Management Memo
DNG
— Danger
NEXRAD
— Next Generation Weather Radar
CENRAP
— Center Radar ARTS Presentation
CTSKLS
— Catskills
5-STRSSG
— 5-States Route Structure Steering Group
VOM
— Volt-ohm-milliammeter
FHINC
— Fridays/Holidays Included
NTN
— Network Terminal Number
THR HOLD
— Throttle Hold
AASA
— Air Lines Association of Southern Africa
SA
— System Administrator
AWO
— All Weather Operations
FISO
— Flight Information Service Officer
FLIDRAS
— Flight Data Replay and Analysis System
SHL
— Saville and Holdsworth Ltd
OAG
— Official Airline Guide
APPA
— Asociacion Profesional de Pilotos Aviadores de Costa Rica
FMF
— Facility Master File
EU-FCL
— EASA Flight Crew Licensing
ARO
— Airport Reservation Office
CFDIU
— Central Fault Display Interface Unit
RTS
— Return To Service
ST&E
— Security Test and Evaluations
AAC
— Aeronautical Administration Communication
EFC
— Expected Further Clearance
BUNKERS
— Name given for vessels Fuel and Diesel Oil supplies
ESCAT
— Emergency Security Control of Air Traffic
AFI
— Africa-Indian Ocean Region
CASTLE
— Consolidated Automated System for Time and Labor Entry
CFL
— Cleared Flight Level
IAT
— Investment Analysis Team
AND
— Associate Administrator for NAS Development
GADO
— General Aviation District Office
ALO
— Air Force Liaison Officer
FDE
— Flight Data Entry
CMPL
— complete
FDESP
— Free Despatch
FSYS
— Flight Service Station Equipment Systems
CMIS
— Common Management Information System
CAMI
— Civil Aerospace Medical Institute
FIFO
— Flight Inspection Field Office(s)
ANGB
— Air National Guard Base
ADIZ
— Air Defence Identification Zone
AHR
— FAA Office of Human Resources
TAU
— Range / Range rate
FSDPS
— Flight Service Data Processing System
ALPA-SA
— Air Line Pilots Association - South Africa
ARP
— Aerospace Recommended Practice
MODIS
— moderate-resolution imaging spectrometer (NASA/GSFC)
AAFCE
— Allied Air Forces Central Europe
RTSE
— Reliable Transfer Service Element
PCB&T
— Personnel Compensation Benefits and Travel
AATT
— Advanced Aviation Transportation Technology
LMM
— Locator middle marker
APN
— apron
CPCS
— Consolidated Production Control System
OPLAN
— Operational Plan
NLA
— New Large Aircraft
ARPL
— ADEXP Format Repetitive Flight Plans Message
AIT
— Automated Information Transfer
NPDU
— Network Protocol Data Unit
BROKERAGE
— Percentage of freight payable to broker
CNS/ATM-1
— Communication, Navigation and Surveillance / Air Traffic Management Package 1
LECT
— Lecture
ARINC 751
— Gate-Aircraft Terminal Environment Link - Aircraft Side
ALPA-K
— Air Line Pilots Association of Korea
AIDS TO NAVIGATION
— Artificial objects to supplement natural landmarks indicating safe and unsafe waters
AJO
— Chief Operating Officer, Air Traffic Organization
ACS
— airspace control system
IW
— Inside Wiring
CIT
— Compressor Inlet Temperature
SASS-C
— Surveillance Analysis Support System - Centre
SFPL
— System Flight Plan Processing
RLSD
— Released
FPFS
— First Planned First Served
CAST
— Certification Authority Software Team
ARINC 541
— Airborne Magnetic Flight Data Recorder
AP
— Airport Plaza
AORTF
— ATM Added Functionality Operational Requirements Task Force
ISPS
— International Ships and Port Security system
AA
— AMERICAN AIRLINE
TDO
— Tornado
AFTN
— Automated Fixed Telecommunications Network
LCG
— Load Classification Group
HF
— Human Factors
FLAS
— Flight Level Allocation System
BORG
— Basic Operational Requirements Group
MORS
— Mandatory Occurrence Reporting Scheme
FLOWSIM
— Traffic Flow Planning Simulation
FSF
— Flight Safety Foundation
CNS
— Communication, Navigation and Surveillance Systems, Inc.
ROC
— Regional Operations Center (NATO)
AEREA
— Association of European Research Establishments in Aeronautics
AAA
— Airport Airspace Analysis
LCN
— Local Communications Network
EEC
— Eurocontrol Experimental Centre
HAA
— Height Above Airport
P&H
— Press and Hold
FFAC
— From Facility
EARTS
— En Route Automated Radar Tracking System
RID
— review item description
DCS
— Double Channel Simplex
FPPU
— Flight Planning and Flight Progress Updating
CAIRS
— Cable Assignment Information Retrieval System
VM(LO)
— Minimum Maneuver Speed
RX
— Receiver
CUR
— Controller
FME
— Force Majeure Excepted
ARINC 592
— Airborne Passenger Tape Record
DITS
— Digital Information Transfer System
DO
— Diesel Oil
COBALT
— Common Objective Alignment Team
MET
— Meteorological
AIM
— Aeronautical Information Management
AUX
— Auxilliary
ATCI
— Airport ATC and Information systems
RAPNET
— Regional ATC Packet switched Network
8.33 PMC
— 8.33 Programme Management Cell
OIG
— Office of the Inspector General
AJT
— Terminal Service, Air Traffic Organization
ARINC 307
— Aircraft Integrated Data System Wire Bundle Provisions
4DTN
— 4D Trajectory Negotiation
JAI
— Joint Acceptance Inspection
FIS-B
— Flight Information Services - Broadcast
ISL
— Intermediate Supplementary Flight Level
ASECNA
— Agence pour la Securité de la Navigation en Afrique et à Madagascar
ARINC 748
— Communications Management Unit
CFD
— Change to Flight Data Message
CAAF
— Civil Aviation Authority of Fiji
ABET
— Airspace Behavioural Engineering Technology
DRCP
— Data Reduction Computer Program
DDP
— Distributed Data Processing
LVB
— Luchtverkeersbeveiliging
ADTN
— Administrative Data Transmission Network
MAPT
— Missed Approach Point
CUPS
— Consolidated Uniform Payroll System
ANMS
— Automated Network Monitoring System
ALLA
— Allied Long-Lines Agency
AFD
— Airport Facility Directory
FSAS
— Flight Service Automation System
CIDIN
— Common ICAO Data Interchange Network
FWDD
— Fresh Water Departure Draft
FCU
— Flight Control Unit
ATA
— Airport Traffic Area
ARINC 7411P2
— Aviation Satellite Communication System: Part 2 - Satellite Design
SS
— Sunset
ASTA
— Airport Surface Traffic Automation
CAEG
— Computer-aided Engineering Graphics
FAX
— Facsimile Equipment
ATAS
— Airspace and Traffic Advisory Service
CATCO
— Chief ATC Operations
AIREP
— Plain language form of Air Report
COCESNA
— Central American Corporation for Air Navigation Services
DUATS
— Direct User Access Terminal System
OPADD
— Operating Procedures for AIS Dynamic Data
INSTRAT
— Institutional Strategy for Air Traffic Management
AOI
— Area of Operational Interest; TERPS Office (USAF)
ATCEUC
— Air Traffic Controllers European Unions Coordination
IAS
— Indicated Air Speed
SEMP
— Software Engineering Management Plan
AACE
— Airfield Approach Control Element
FRNG
— Firing
FFM
— Free Flight Mode
PD
— Profile Descent
AJS
— Safety Services, Air Traffic Organization
GRD
— Geared
ATCU
— Air Traffic Control Unit
ALPA-A
— Air Line Pilots Association of Armenia
OTR
— Oceanic Transition Route
FQIS
— Fuel Quantity Indicating System
ADS-P
— Automatic Dependent Surveillance-Panel
ASAS
— Aviation Safety Analysis System
ESERN
— East-Southeastern
ATCC
— Air Traffic Control Centre
P
— Procedure-Required Tuned NAVAID
DFDR
— Digital Flight Data Recorder
AEA
— Eastern Region
JAL
— Japan Air Lines
GEORGIAN ALPA
— Georgian Air Line Pilots Association
AJC
— Communications Services, Air Traffic Organization
MSAW
— Minimum Safe Altitude Warning
AEE
— FAA Office of Environment and Energy
PFL
— Planned Flight Level
BASOP
— Military Base Operations
TOGA
— Takeoff/Go-Around
IACS
— INTERGRAPH Aeronautical Charting System
AI
— Application Interface
OGE
— Operational Ground Equipment
TODA
— Take-Off Distance Available
ALOFT
— Above the deck of the ship
FIN
— Finnair Oyj, Finland
AFM
— Affirmative Fair Housing Marketing
EATCHIP OCD
— Operational Concept Document
FDSU
— Flight Data Storage Unit
HSPD
— Homeland Security Presidential Directive
MVA
— Minimum Vectoring Altitude
T/O
— Takeoff
AAMS
— Aircraft Arrival Management System
AFTIL
— Airway Facilities Tower Integration Laboratory
MTRAQ
— Multi track quality
RLD
— Rijks Luchtvaart Dienst
AFCNF
— Air Force Central NOTAM Facility
AJA
— Acquisition & Business Services, Air Traffic Organization
ARINC 551
— Airborne Glide Slope Receiver - Mark 2
CAMA
— Civil Aviation Medical Association
IM
— Inner Marker
OAMP
— Off-line Aircraft Management Program
HS-DTS
— High Speed Data Transmission System
DFGS/C
— Digital Flight Guidance System/Computer
EUROCONTROL
— European Organisation for the Safety of Air Navigation
MAA
— maximum authorized IFR altitude
ABAFT
— Toward the rear of the ship
WSW
— West-South-West
REACT
— Rain Echo Attenuation Compensation Technique
STAC
— Second Time Around Clutter
COCESNA
— Central American Corporation For Air Navigation Service
ATM
— Air Transportation Management
NAVAID
— Navigational Aid
G/A
— ground to air
SSW
— South-South-West
ADS-C
— Automatic Data Surveillance Contract
ANSEP
— Air Navigation Services Economics Panel
ALD
— Airlift Division
RFL
— Requested Flight Level
VS
— Design Speed for Maximum Gust Intensity
OGM
— Objectives > Goals > Mission
AS
— Airspeed
FPPS
— Federal Personnel Payroll System
AFIS
— Automated Flight Inspection System
OMT
— Onboard Maintenance Terminal
EVAS
— Enhanced Vortex Advisory System
IAG
— International Association of Geodesy (IUGG)
ARINC 752
— TFTS Airborne Radio Sub-System
FTC
— Fast-Time Constant
CEATS
— Central European Air Traffic Services
AFAS
— Aircraft in the Future ATM System
ASPM
— Aviation System Performance Metrics
SSM
— Sign Status Matrix
TWT
— Travelling Wave Tube
ADMA
— Aviation Distributors and Manufactureres Association
AAL
— Alaska Region
DDA
— Dedicated Digital Access
IANS
— Institute of Air Navigation Services
CARATS
— Collaborative Actions for Renovation of Air Traffic Systems
ALPA-S
— Air Line Pilots Association - Singapore
ADL
— Aeronautical Data-Link
DACS
— Digital Aeronautical Chart Supplement
FPZ
— Flight Path Zone
MRVA
— Minimum Radar Vector Altitude
FP
— Free Pratique
SUP/ACC
— Supervisor Area Control Centre
PTH
— Path
HCP
— Hard Copy Printer
ELNGT
— Elongate
CTO
— Calculated Time Over
HFDL
— High Frequency Data Link
AITSC
— Administrative IT Steering Committee
ALR
— IFALPA's Airport Liaison Representative Program
GENOFIC
— General North Sea Flight Information Centre
LCGS
— Low Cost Ground Surveillance Radar
AFZ
— Resource Management
ALRS
— Approach Lighting System
MTCDR
— Medium-Term Conflict Detection and Resolution
ARINC 406A
— Airborne Electronic Equipment
ALPA
— Airlines Pilots Association
CES
— Central and Eastern European States
ARSC
— Air Rescue Sub Centre
KB
— Kilo Bytes (1,000 Bytes)
APDSG
— Airspace Planning & Development Sub-Group
AP
— Airport Protection
U/L
— Upper / Lower
POCC
— Pacific Operations Control Center
VY
— Speed for best rate of climb
AICS
— Aircraft Inventory and Charter System
FISA
— Automated flight Information Service
MEB
— Main Earthing Bar
GSB
— Good Safe Berth
MTOM
— Maximum Take-Off Mass
UAP
— User Application Profile
OBST
— Obstacle
AQS
— FAA Office of Quality, Integration and Executive Services
EFC
— Expect Further Clearance
BIMCO
— The Baltic and International Maritime Council
SPAS
— Safety Performance Analysis System
EOF
— Emergency Operating Facility
EL
— Electro-Luminescent
LVE
— Leave
AOC
— Airline Operational Control
ACI-NA
— Airports Council International-North America
FDC
— Flight Data Company
VFE
— Flaps Extended Placard Speed
PANS-OPS
— Procedures for Air Navigational Services - Aircraft Operations
GDLP
— Ground Data Link Processor
AFAST
— Active Final Approach Spacing Tool
IFL
— Intermediate Flight Level
OFT
— Outer Fix Time
DRDF
— Digital Readout Direction Finder
ARN-1 (TABLE)
— Basic ATS Route Network in the Lower and Upper Airspace
AFMT
— Airway Facilities Management Team
AEGIS
— Airborne Early Warning Ground Environment Integrated Segment
ERSS
— Eurocontrol Radar Surveillance Standard
EX GDR
— ex German Democratic Republic
HHMM
— Hours and minutes
ARNG
— Arrange
RTCM SC
— Radio Technical Commission for Maritime Services Special Committee
ARINC 595
— Barometric Altitude Rate Computer
AUW
— All Up Weight
MVE
— Move
FIS-B
— Flight Information Service - Broadcast
FDMAS
— Flight Data Management Automated System
GEOREF
— Geographical reference
APATSI
— Airport / Air Traffic Systems Interface
CDFA
— Constant Descent Final Approach
CZM
— Conventional Zero Meridian
ALPA-SL
— Air Line Pilots Association of Slovenia
ASRS
— Aviation Safety Reporting System
SNIR
— Signal-to-noise ratio
ARINC 741P4
— Aviation Satellite Communications System:Part 4 - Specification and Description Language
QTE
— True Bearing
OMEGA
— Very Low Radio Navigation System
EHEST
— European Helicopter Safety Team
DFRT
— Deadfreight
POC
— Point-of-Contact
IACA
— International Air Carrier Association
CLG
— Calling Line
OSH
— Open Shelter Deck
CGAS
— Coast Guard Air Station
AWY
— Airway
ARR SP
— Arrival Sequence Planner
WSFO
— Weather Service Forecast Office
CANSO
— Civil Air Navigation Services Organisation
ELS
— Emergency Landing Strip
NADIN
— National Airspace Data Interchange Network
ADEP
— Aerodrome of Departure
VBX
— Visual Basic Extensions
GICB
— Ground Initiated Comm B Protocol
ATTCS
— Automatic Takeoff Thrust Control Systems
ARO
— Air Traffic Service Reporting Office
ALRT
— Alert
ALCM
— Air Launched Cruise Missile
GES
— Ground Earth Station
PSDN
— Public Switched Data Network
MOD
— Memorandum of Decision
SO
— Southern Airways
AOIS
— Aeronautical Operational Information System
MUT
— Mean Up Time
ADVO
— Administrative Voice
VC
— Design Cruising Speed
V1
— Take-Off Decision Speed
PPR
— Prior Permission Required
DOD
— Department of Defence
ACFS
— Advanced Concepts Flight Simulator
CNS/ATM
— Communication, Navigation and Surveillance / Air Traffic Management
ADSIM
— Airfield Delay Simulation Model
C/S
— Call Sign
CDR
— Coded Departure Routes
FSD TF
— Functional Specification Development Task Force
AWX
— All Weather Fighter
AJF
— Finance Services, Air Traffic Organization
NAV-1
— Radar Data System
ACPO
— Aircraft Position Operator
AFM
— Aeroplane Flight Manual
AVON
— AUTOVON Service
IAF
— Initial Approach Fixes
ARTCC
— Air Route Traffic Control Centre
5-SRSWG
— 5-States Route Structure Working Group
RMMC
— Remote Maintenance Monitoring and Control
FZL
— Freezing Level
IAFP
— Individual ATC Flight Plan Proposal
RBDPE
— Radar Beacon Data Processing Equipment
DFW
— Dallas Fort Worth International Airport
LYCN
— Layday Cancelling Date
CL
— Cost Index
RCDSS
— Radar Control and Display Subsystem
IFEA
— In-Flight Emergency Assistance
CATCAS
— Copenhagen Air Traffic Control Automated System
ALPA-E
— Air Line Pilots Association of Ethiopia
SFAR
— Special Federal Aviation Regulation
HAC
— Hughes Aircraft Company
TDZ
— Touchdown Zone
BAPA
— Bangladesh Airline Pilots Association
AOC
— Aircraft Operating Company
ACFO
— Aircraft Certification Field Office
GLONASS
— Global Orbiting Navigation Satellite System, Russia
CPCS
— Cabin Pressure Control System
IRVR
— Instrument Runway Visual Range
EFF
— Effective from
AGA
— Aerodromes, Air Routes and Ground Aids
V/STOL
— Vertical or Short Take-Off and Landing
AP
— Airport Patrol
V/S
— Vertical speed
ALPA-INT
— Air Line Pilots Association - International
WXR
— Weather Radar
MOGAS
— Motor Gasoline
NAT MWG
— North Atlantic Mathematicians Working Group
B&D
— Bearing and Distance
RTQC/A
— Real Time Quality Control / Assessment
MDH
— Minimum Descent Height
ASIAS
— Aviation Safety Information Analysis and Sharing
IABA
— International Association of Aircraft Brokers and Agents
ANS/CR
— Air Navigation Services of the Czech Republic
RSAP
— Runway Safety Action Plan
PPL
— Private Pilot License
LDAH
— Landing Distance Available Helicopter
STANAG
— (NATO) Standardisation Agreement
SAS
— Scandinavian Airline Systems
CAAFI
— Commercial Aviation Alternative Fuels Initiative
FAST
— Final Approach Spacing Tool
DAI
— Direct Access Intercom
ABET
— Airspace Behavioral Engineering Technology
IANC
— International Airline Navigators Council
EPROM
— Erasable-Programmable Read-Only-Memory
OE/AAA
— Obstruction Evaluation/Airport Airspace Analysis
AWAS
— Automated Weather Advisory Station
MAX CLB
— Maximum Engine Thrust for Two-Engine Climb
VDC
— Volts, Direct Current
ACDAC
— Asociacion Colombiana de Aviadores Civiles
IAASM
— International Academy of Aviation and Space Medicine
AREA
— Automated En Route Air Traffic Control
APP
— Approach Control
FRH
— Fly Runway Heading
AWPA
— Australian Women Pilots' Association
SHEL
— Software, Hardware, Environment, Liveware
IFATCA
— International Federation of Air Traffic Controllers' Associations
CVTS
— Compressed Video Transmission Service
ALA
— Alighting Area
CSI
— Criticality Safety Index
AADC
— Airport Average Daily Capacity
EFDP
— European flight data processing(Eurocontrol)
AAA
— Asian Airliners Association
DEPA
— Departure Airfield
FISMA
— Federal Information Security Management Act of 2002
DFI
— Direction Finding Indicator
RIMS
— Runway Incursion Monitoring System
SVN
— Satellite Vehicle Number
MDA
— McDonnell-Douglas Aerospace
AIS-TF
— AIS Training Task Force
SFAR-38
— Special Federal Aviation Regulation 38
ESCO
— Executive Support and Coordination Office
PCGO
— Part Cargo
DVOR
— Doppler Very High Frequency Omni Directional Range
AFSFU
— AFS Field Unit
DASI
— Digital Altimeter Setting Indicator
FDMD
— Flight Data Management and Distribution
DTU
— Data Terminating Unit
NRZI
— Non Return to Zero Inverted magnetic tape bpi
EFL
— Entry Flight Level
ATPL
— Air Transport Pilot Licence
GO
— Gas Oil
SSAP SELECTOR
— Session Service Selector
ARINC 59MA
— Airborne Announcement Tape Reproducer
EATMS
— European Air Traffic Management System
DACT
— Dissimilar Air Combat Training
SETA
— Systems Engineering and Technical Assistance
DMR
— Data Modification Request
TCAS
— Traffic Alert and Collision Avoidance System
SIR
— Screening Information Request
ECVFP
— Expanded Charted Visual Flight Procedures
AVPAC
— aviation VHF packet communications
NTAP
— Notice to Airman Publication
EFP
— Espaсa-France-Portugal Plan
IFPL
— Individual Flight Plan Message
FPD
— Flight Plan Database
HTZ
— Helicopter Traffic Zone
ALTNLY
— Alternately
ATCA
— Air Traffic Control Association, Inc.
ATFMP
— Air Traffic Flow Management Position
GNLU
— GNSS Navigation and Landing Unit
NAT SPG
— North Atlantic Systems Planning Group
FREE OUT
— Free of discharge costs to owners
CPMIS
— Consolidated Personnel Management Information System
DEV
— Deviation
GDCA
— General Directorate for Civil Aviation
NARG
— Navigation Aids and Area Navigation Group
XM
— External Master
EASA
— European Aviation Safety Authority
ATCA
— Air Traffic Controllers Association
ASDE
— Area Surveillance Detection Equipment
AIRC
— Aeronautical Information and Control
FLCH
— Flight Level Change
AISAS
— Aeronautical Information Services Automated System
TXWY
— Taxy Way
ACOD
— Area Conflict Detection
BSU
— Beam Steering Unit
IFFN
— Identification Friend, Foe or Neutral
FO(IFO)
— Fuel Oil/Intermediate FO
ETOPS
— Extended Range Twin-Engine Operations
AOCI
— Airport Operators Council International
AO
— Airlines Operator
ALTN
— Alternate
ASIP
— Aviation VHF-Very High Frequency- Packet Communication Simple Interface Protocol
LDB
— Limited Data Block
ACL
— Air Traffic Control Clearance
PFR
— Probability of Failure Repair
MB
— Merchant Broker
CDU
— Control and Display Unit
ER TC
— En-Route Tactical Controller
DMRS
— Database Management Reporting System
CTOL
— Conventional Takeoff & Landing
MCSG
— Military Committee Staff Group
EATCHIP LO
— EATCHIP Liaison Officer
AWPG
— Aviation Weather Products Generator
ASPP
— Aeronautical Fixed Service Systems Planning for Data Interchange Panel
ACDMD
— Air Collaborative Decision Making Demonstrator
DER
— Departure End of the Runway
AIG
— Accident Investigation & Prevention
CCIF
— Comit? Consultatif International Des Communications T?l?phoniques ? Grande Distance (French For International Telephone Consultative Committee
ACN
— Airspace Co-ordination Notification
ADISP
— Automated Data Interchange Systems Panel
TAAATS
— The Australian Advanced Air Traffic Services System
AOPTF
— Aerodrome Operations Task Force
MTWA
— Maximum Takeoff Weight Authorized
ISSCA
— Information Systems Security Certification Agent
E-MSAW
— En Route Automated Minimum Safe Altitude Warning
ARINC 569
— Heading and Altitude Sensor
IFO
— International Field Office
ADI
— Automatic De-Ice and Inhibitor
CIWS
— CORRIDOR INTEGRATED WEATHER SYSTEM
BTC
— Basic Training Course
ACAC
— Arab Civil Aviation Council
CESAR
— Course Evaluation Sheets Analysis and Reporting
DSCN
— Direct Speech Circuit Networks
CLT
— Calculated Landing Time
ANM
— ATFM Notification Message
MCC
— Maintenance Control Center
DPE
— Designated Pilot Examiner
CR(A)OC
— Central Region (Air) Operations Centre
AZ
— Aerodrome zone
AAM
— Airbus Asset Management
HFX
— Holding Fix
AFS
— Automatic Flight System
GNSSP
— Global Navigation Satellite System Panel
GHMI
— Ground Human-Machine Interface
CVFR
— Controlled Visual Flight Rules
ACAS
— Airborne Collision and Avoidance System
CGS
— Centimeter-gram-second
SMPS
— Sector Maintenance Processor Subsystem
DMS
— Database Management System
NATINAD(S)
— NATO Europe Integrated Air Defence
MKR
— Marker Radio Beacon
BRKHIC
— Breaks in Higher Overcast
LAHSO
— Land And Hold Short Operation
AAFG
— ATM Added Functionality Sub-Group
MSK
— Minimum Shift Keying
CMCSG
— Civil and Military Co-ordination Sub-Group
DABBS
— DITCO Automated Bulletin Board System
CAI
— Contractor-Acceptance Inspection
DP&P
— Data Processing And Peripherals
ALPL
— Association Luxembourgeoise des Pilotes de Ligne
TEMPO
— Temporary
IRCAS
— Intranet Radio Coverage Analysis System
ALPA
— As the Air Line Pilots Association
SAFI
— Semi-Automatic Flight Inspection
USOAP
— Universal Safety Oversight Audit Program
FPPS
— Flight Plan Processing System
AAF
— ATM Added Functions
SARP
— Signal Automatic Radar Processing
INM
— Integrated Noise Model
FCLT
— Freeze Calculated Landing Time
EIU
— Electronic Interface Unit
AGI
— FAA Office of Government and Industry Affairs
FMG
— Frequency Management Group
PATWAS
— Pilot's Automatic Telephone Weather Answering Service
CRNA
— Centre Régional de la Navigation Aérienne
TACH
— Tachometer
PT
— Total Pressure
EFPM
— Extended Flight Plan Message
ACTF
— Aeronautical Charting Task Force
AEEC
— Airlines Electronic Engineering Committee (ARINC)
CAOFA
— Co-ordination of Air Operations in the Forward Area
NAILS
— National Airspace Integrated Logistics Support
ACC-TC
— ACC Tactical Controller
ATNP
— Aeronautical Telecommunications Network Panel
PTOT
— Provisional Take-Off Time
IR
— Ice on Runway
AENA
— Spanish Airport and Air navigation Administration
GRAF
— Ground Replay and Analysis Facility
TT
— Total Temperature
TA
— Traffic Advisory
IPSE
— Integrated Programming Support Environment
ALR
— Alerting message
IAR
— Intersection of Air Routes
EC
— East Coast
GDE
— Ground Delay Enhancements
ETN
— Electronic Telecommunications Network
VCR
— Visual Control Room
CAR
— Caribbean Region
AFL
— Assigned Flight Level
HDQ
— FAA Headquarters
IRMC
— Integrated Risk Management Checklist
CMSA
— Carrier Sense Multiple Access
DSUA
— Dynamic Special - Use Airspace
ANE
— New England Region
GFM
— Government Furnished Materials
MDAU
— Maintenance Data Acquisition Unit
PIREPS
— electronic pilot reports
SECRA
— Secondary Radar Data Only
PNF
— Pilot Not Flying (aviation)
RNLAF
— Royal Netherlands Air Force (also KLu)
ZFW
— Zero Fuel Weight
TDM
— Track Definition Message
DFTI
— Distance-from-Touchdown Indicator
LOS
— Line-Oriented Simulation
PC
— Period of Charter
ARINC 602A
— Test Equipment Guidance
EOPF
— Electronic Official Personnel File
STDMA
— Self-organising Time Division Multiple Access
DGB
— Dangerous Goods Board
RTA
— Required Time of Arrival
CSS
— Central Site System
ITI
— Interactive Terminal Interface
ATIC
— Administrative and Technical Inspection Committee
IVRS
— interim voice response system
CHI
— Computer-Human Interface
ADTN2000
— Administrative Data Transmission Network 2000
REAL
— Real time
RPR
— Real Property Report
CEAC
— Committee of European Airspace Co-ordination
ASBA
— American Shipbrokers Association
TARMAC
— Taxi and Ramp Management and Control
IGP
— Ionospheric Grid Points
IAM
— Institute of Aviation Medicine
TMA
— Terminal Area
RPL
— Repetitive Flight Plan
EDDA
— Environmental Due Diligence Audit
ATR
— Air Traffic Requirements
VAAC
— Volcanic Ash Advisory Centre
IFATSEA
— International Federation of Air Traffic Safety Electronic Associations
D/A
— Digital-to-Analog
IMAWP
— Initial Missed Approach Waypoint
FMS
— Flight management system
FMA
— Flight Mode Annunciator
LACAC
— Latin American Civil Aviation Commission
CAAC
— Civil Aviation Authority of China
DAAIS
— Danger Area Activity Information Service
ADO
— IFALPA Aircraft Design & Operation Committee
ISSM
— Information Systems Security Manager
ELR
— Extra Long Range
DFL
— Daily Flight Log
HKALPA
— Hong Kong Air Line Pilots Association
GMCC
— General National Airspace System Maintenance Control Center
REGIS
— Regional Information System
SIGMET
— Significant Meteorological Information
ACA
— Austrian Cockpit Association
FMU
— Flow Management Unit
RPC
— Restoration Priority Code
ARU
— Airspace Reservation Unit
VSO
— Stalling Speed in the Landing Configuration
CLSD
— Closed
MPL
— Multi-crew Pilot Licence
CEATS UAC
— Central European Air Traffic Services Upper Airspace Control Centre
FGS/C
— Flight Guidance System/Computer
KECU
— Thousands of European Currency Units
CMMC
— Common Maintenance Monitoring and Control
RCP
— Radio Control Panel
DTG
— Distance-to-go
EGALPA
— Egyptian Air Line Pilots Association
RMU
— Radio Management Unit
LVA
— Large Vertical Aperture
VLOF
— Lift-off Speed
RSA
— Runway Safety Area
AWSS
— Automated Weather Sensors System
AID
— Airport Information Desk
ADSP
— ADS Processor
FEAST
— First European ATCO Selection Test Package
ATIS
— Aerodrome Terminal Information Service
IAPL
— IFPS APL Message
FCM
— Flight Confirmation Message
ACE
— Central Region
ASPA
— Asociacian Sindical de Pilots Aviadores de Mexico
ACIPLA
— Asociacian Civil de Pilotos de Lineas Aereas
BRT
— Brightness
ALCC
— Airlift Central Co-ordination Centre
FPI
— Fluorescent Penetrate Inspection
ARSA
— Airport Service Radar Area
CFMU
— Central Flow Management Unit
DCCU
— Data Communications Control Unit
ASPLAB
— Asociacion Sindical de Pilotos del Lloyd Aereo (Bolivia)
DPDG
— Diplomatic and Protocol Drafting Group
QRA
— Who Are You
IFPPS
— Integrated Flight Plan Processing System
AMIDSHIPS
— In or toward the centre of the ship
IGCN
— Independent Ground Communications Network
NDB
— Non-Directional Beacon
ATHR
— Autothrust System
AIREP
— Air-Report
AIRNET
— Airport Network Simulation Model
DCAA
— Danish Civil Aviation Administration
DLASD
— Data Link Application and System Document
ANSA
— International Advisory Group Air Navigation Services
AIPA
— Aeronautical Information Production Application
AIRMET
— Air Meteorological Information Report which may affect the safety of low-level aircraft operations
ARSA
— Airport Radar Serve Area
NMCS
— Network Monitoring and Control System
DERA
— Defense Evaluation and Research Agency
IIE
— Integrated Information Environment
NB
— NorthBound
ARST
— Arresting specify aircraft arresting
AEROSAT
— Aeronautical Satellite Council
APLRIM
— Association des Pilotes de Lignes de Mauritanie
HWP
— Holding Waypoint
V/M
— Volts-per-meter
GFDI
— GNSS Fault Detection and Isolation
CEU
— Central Executive Unit
STCA
— Short Term Conflict Alert
EHA
— European Helicopter Association
COSP
— Connection-Oriented Session Protocol
GF
— Gulf Air Company - Bahrain
DEMO
— Demonstration
CPDLC
— Controller Pilot Datalink Communications
AJE
— En Route & Oceanic Service, Air Traffic Organization
CENTX
— Central Telephone Exchange
GGCS
— Ground/Ground Communication System
IPPC
— Internet Pilot Planning Centre
HIPERLAN
— High Performance Local Area Network
FPF
— Flight Plan Fallback
LDR
— Labor Distribution Reporting
CPC
— Certified Professional Controller
AISS
— Aeronautical Information Server System
AOF
— Allocation of Functions
JSS
— Joint Surveillance System
CEATS LSG
— Central European Air Traffic Services Legal Sub Group
ATI
— Automatic Tracking Initiation
ECAR
— European Civil Aviation Requirement
DDB
— Dynamic Database Browser
CMOS
— Complementary Metal Oxid Semiconductor
HEMS
— Helicopter Emergency Medical Services
LIH
— Light Intensity High
ATAC
— Airspace Traffic Data Capture
DIRF
— Direction Finding
HIRS
— High-resolution Infrared Sounder
CEF
— Capacity Enhancement Function
SESMA
— Special Event Search and Master Analysis
MONA USER
— Monitoring Aids User
VTR
— Variable Takeoff Rating
MTAT
— Multiple Time Around Targets
FDA
— Flight Data Analysis
ARCTR
— Aeronautical Center
FES
— Fixed Earth Station
FDMA
— Frequency Division Multiplex Access
NATMC
— NATO Air Traffic Management Committee
XY
— Ryan Air
FOG
— For Our Guidance
FIRE
— Fire Station
TKE
— TrackAngle Error
CRMCS
— Central RADNET Monitoring and Control System
LLC
— Link Layer Control
LAA
— Local Airport Advisory
DAIR
— Direct Altitude and Identity Readout
CLNP
— Connection Less Network Protocol
FI
— Iceland Air
SUPSIS
— Supervisor
ACH
— ATC Flight Plan Change
DCAA
— Dual Call, Automatic Answer Device
SRZ
— Special Rules Zone
WMSC
— Weather Message Switching Center
APATSI
— Airport/air traffic system interface
APV
— Approach with Vertical Guidance
HATR
— Hazardous Air Traffic Report
AFP
— Area Forecast Panel
PFAST
— Passive Final Approach Spacing Tool
NCW
— Non Conformance Warning
DUAT
— Direct User Access Terminal
GIB
— Global Navigation Satellite System Integrity Broadcast
EWA
— Error Warning Area
RE
— Resident Engineer
AAM
— Office of Aerospace Medicine
JPDO
— Joint Planning and Development Office's
IRT
— Interrogation Repetition Time
TARA
— Terminal Area RNAV Applications Task Force
PBS
— Preferential Bidding System
CDR
— Cost Detail Report
GLOC
— Gravity-Induced Loss of Consciousness
ARINC 569
— Airborne Distance Measuring Equipment
DOD MIL
— Department of Defence - military
MASPS
— Minimum Aviation Systems Performance Standards
AAT
— Associate Administrator for Air Traffic
FNPT
— Flight & Navigation Procedures Trainer
CDD
— Corporate Data Dictionary
RML
— Radar Microwave Link
ACG
— Advanced Concept Group
RTP
— Regional Transportation Plan
NCD
— No Computed Data
EBC
— Event Based Currency
AOC
— Aeronautical Operational Communications
RTC
— Radio Transmission Control
FPM
— Flight Path Monitor
DEWIZ
— Distance Early Warning Identification Zone
ETX
— End of Transmission
SNOMAC
— Syndicat National des Officiers Mecaniciens de l'Aviation Civile
HDOT
— Inertial Vertical Speed
AWOS
— Automatic Weather Observing System
AFC
— Airport Facilities Control
FRA
— Flap Retraction Altitude
ANPAC
— Associazione Nazionale Piloti Aviazione Commerciale
AGATE
— Advanced General Aviation Transport Experiments (NASA)
GAT
— General Air Traffic
AUTOB
— Automatic Weather Reporting System
PSC
— Program Support Center (US DHHS)
SBSR
— Space Based Secondary Radar
BTEC
— Business and Technician Education Council
RATCF
— Radar Air Traffic Control Facility
IAPA
— Instrument Approach Procedures Automation
HIS
— Horizontal Situation Indicator
AJP
— Operations Planning Services, Air Traffic Organization
EUR
— Region European Region
KIAS
— Knots Indicated Airspeed
ARTS
— Area Radar Training Squadron
ALERT
— Alert phase
ALPA
— Asociacion de Pilotos de Lineas Aereas
ROD
— Record Of Decision
ODID
— Operational Display and Input Development
AMOSA
— Association of Aviation Maintenance Organisations of Southern Africa
AMIC
— Area Manager in Charge
HID
— Host Interface Display
DP
— Departure procedures
AOCC
— aircraft operator control centre
GRADE
— Graphical Airspace Design Environment
TORA
— Take-Off Run Available
FPP
— Flight Plan Processing
VTT
— Vertical Threshold Test
LAX
— Identifier for Los Angeles
FIO
— Flight Information Office
CRCO
— Central Route Charges Office
DDC
— Data Display Console
VTOL
— Vertical Take-Off and Landing aircraft
ALSEC
— All Sectors
ATFC
— Air Traffic Flow Controller
ODID
— Operational Input and Display System
ATCS
— Air Traffic Control Service
BECA
— Belgium Cockpit Association
IFG-NME WG
— Implementation Facilitation Group of the National Management Experts Working Group
M/SEC
— Metres per second
CAEP
— Committee on Aviation Environmental Protection