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>> Aviation Abbreviations
Look through 4999 acronyms and abbreviations related to Aviation:
XCVR
— Transceiver
DEP PROC
— Departure Procedure
ACAS
— Aircraft Collision Avoidance System
XMIT
— Transmit
OPS
— Operations
AVSEC
— Aviation Security
LAN
— Local Area Network
GTEE
— Guarantee
ADVON
— Advanced Echelon
N/A
— Not Applicable
BTWN
— Between
DCE
— Data Circuit-terminating Equipment
D.O.T
— Department of Transport
XBAR
— Crossbar
LTHH
— Liner Terms Hook/Hook (shipping)
ETA
— Estimated Time of Arrival
RAIL
— Runway Alignment Indicator Lights
FLSA
— Fair Labor Standards Act
OPR
— Office of Primary Responsibility
NOTAMR
— Notam Replacing another Notam
ABT
— About
DLOSP
— Dropping Last Outwards Sea Pilot
DWAT
— Deadweight
T-VASIS T
— Visual Approach Slope Indicator System
ARINC 604
— Guidance For Design And Use Of built-In Test Equipment
MIN/MAX
— Minimum/Maximum
ACCUM
— Accumulate
ROM
— Read-Only Memory
FTP
— File Transfer Protocol
C102 (TSO)
— Helicopter Radar Approach, Issued 04/02/84
LASER
— Light Amplification By Stimulated Emission Of Radiation (cf. Maser)
A-VDGS
— Advanced-Visual Docking Guidance System
DODAR
— Diagnosis, Options, Decision, Assessment and Revision
MSG
— Message
IQ
— Intelligence Quotient
EMARSSH
— Europe, Middle East, Asia Route Structure of the Himalayas
B-RNAV
— Basic Area Navigation
ERDF
— European Regional Development Fund
OEM
— Original Equipment Manufacturer (usually in reference to car parts)
IFPRU
— IFPS Responsible Unit
A SMGCS
— Advanced Surface Movement Guidance and Control Systems
ANSI
— American National Standards Institute, Inc.
A-VASIS
— Advanced Visual Approach Slope Indicator System
JP
— Japan
ANOVA
— Analysis of Variance (statistics)
TBA
— To Be Advised
IT
— Information Technology
C/N0
— Carrier-to-Noise-Density Ratio
R B
— Range and Bearing line
PPE
— Personal Protective Equipment
BA FAIR
— Braking action Fair
Q.23
— Signalling system for PABX
ICD
— Interface Control Document
IRL
— Republic Of Ireland
MAN
— Metropolitan Area Network
D-GPS
— Differential Global Positioning System
XECM
— Cancel Executive Controller Message
X-WIND
— Cross Wind
BA NIL
— Braking Action Nil
A/D CONVERTER
— Analogue-to Digital Converter
DFAX
— Digital Facsimile
I AND Q CHANNELS
— In-phase and Quadrature channels
S-SUP
— Sector Supervisor
EPA
— Environmental Protection Agency (US)
CPU
— Central Processing Unit
BA POOR
— Braking Action Poor
X-BAND
— The frequency range between 8000 and 12500 MHz
FTE
— Full Time Equivalent
A
— Ampere
W/STEP
— With Step Change in Altitude
BSS 1/1
— Basis 1 Port to 1 Port
XCOORD
— Cancel Co-ordination
HALS / DTOP
— High Approach Landing System / Displaced Threshold Operations
OBTEX
— Offboard Targeting Experiments
XLTR
— Translater
KAEPA
— Kuwait Aircraft Engineers and Pilots Association
MOLCHOPT
— More or Less Charterers Option
PDF
— Portable Document Format (created by Adobe Acrobat)
D-ATSU
— A Downstream Air Traffic Services Unit
FIFO
— First In, First Out
JAA AMC
— JAA Acceptable Means of Compliance
PACOTS
— Pacific Organised Track System
XASM
— Cancel Assume
DA/H
— decision altitude/height
T-ATSU
— Transferring ATS Unit
WAYPOINT
— Position in space usually on aircraft's flight plan
R-CHANNEL
— Random Access Channel
FAASTEAM
— FAA Safety Team
D-OTIS
— Data Link Operational Terminal Information Service
Q PROCEDURE
— Procedure to identify replacement flight plans
P,R,D AREA
— Prohibited, Restricted, or Danger Area
D-TO NL
— Derated Takeoff Engine Fan Speed
W/MOD
— With Modification of Vertical Profile
XGEO
— Cancel GEO
M:M
— Many-to-Many Relationship
XCONF
— Delete CONFlict
LRU
— Line Replaceable Unit
EGATS
— Eurocontrol Guild of Air Traffic Services
CAA SI
— Civil Aviation Authority of Solomon Islands
F&CM
— Flow And Capacity Management
B/CRS
— Back Course
XOFF/PDR
— Cancel Off Predetermined Route
IROI
— Instantaneous Return on Investment
DAARWIN
— Distributed ATM Architecture based on
MLS
— Microwave Landing System
NAAPE
— National Association of Aircraft Pilots and Engineers
VAFORIT
— VAFOR Implementation
C/S/S/N
— Capacity/Safety/Security/Noise
IP
— Internet Protocol
SMEQ
— Subjective Mental Effort Questionnaire
ARINC 422
— Guidance For Modification Status Indicators & Avionics Service Bulletins
QC
— Quality Control
R,E&D
— Research, Engineering and Development
SAAFEA
— South African Airways Flight Engineers Association
XNSSR
— Exit NSSR
GALPA
— Ghanaian Air Line Pilots Association
O-QAR
— Optical Quick Access Recorder
CAA NZ
— Civil Aviation Authority of New Zealand
M-ADS
— Modified Automatic Dependent Surveillance
CDC
— Computer Display Channel
T-CHANNEL
— Time Division Multiple-Access Channel
V/TRK
— Vertical Track
AHRS
— Attitude Heading Reference System
XMITR
— Transmitter
CAA PNG
— Civil Aviation Authority of Papua New Guinea
RAARR
— Radar Arrival
I(FD)
— MTI Improvement Factor
LABSW
— LABS Switch System
LABSC
— LABS GS-200 Computer
FANOMOS
— Flight track and Aircraft NOise Monitoring System
XBRIGHT
— Cancel highlighting
LOV
— List Of Values
JAAC/JAA CE
— JAA Committee
R-ATSU
— The Receiving Air Traffic Services Unit
PALLAS
— Phased Automation of the Hellenic ATC System
HADAMARD
— Multi-radar processing written in ADA
EXTRAP
— Extrapolate
P…
— Prohibited Area
M/ASI
— Mach/Airspeed Indicator
XIFL
— Cancel Intermediate Flight Level
IRR
— Internal Rate of Return
XFRQ
— Cancel FreQuency message
XHOLD
— Cancel Hold
IA/CC
— Indirect Access/Common Control
ACFT
— Aircraft
I/AFSS
— International AFSS
P.T.T
— Push-to-Talk
IA-5
— International Alphabet Number 5
XFDM
— Cancel FDM
LABSR
— LABS Remote Equipment
EDI
— Electronic Data Interchange
P.ACCS
— Pairs of ACCs
RF
— Radio Frequency
PALPU
— Pancyprian Airline Pilots Union
BAHAMAS ALPA
— Bahamas Airline Pilots Association
CV
— Curriculum Vitae
FAACIS
— FAA Communications Information System
HALPA
— Hellenic Air Line Pilots Association
XEXPLT
— Cancel Extrapolation
LOI
— Letter Of Intent
EANPG
— Regional European Air Navigation Planning Group
DAMFORDET
— Damages for Detention
IDP
— Individual Development Plan
EAD SGR
— EAD Sub-Group
GUI
— Graphical User Interface (goo-ey)
EAMG SSG
— EAMG Systems Sub-Group
VBFNG(LO)
— Low speed CAS at N g's to buffet onset
JAARC
— JAA Research Committee
AAGDI
— Automated Air Ground Data Interchange
JAAB/JAA-B
— Joint Boards
VBF(LO)
— Flaps up minimum buffet speed at current maneuver load factor minus altitude dependent variable
VBFNG(HI)
— High speed CAS at N g's to buffet onset
MOA
— Memorandum Of Agreement
C87A
— Low Range Radar Altimeters, Issued 01/01
C91A
— Emergency Locator Transmitter, Issued 04/85
BAREBOAT CHTR.
— Bareboat Charter
EAPTU
— Air Line Pilots Trade Union
NBFR
— Not Before
CFE
— Customer-Furnished Equipment
KARLDAP
— Karlsruhe Automatic Data Processing and Display System
MOU
— Memorandum of Understanding (an MOU between Food & Drug Administratin and a regulatory agency in another country allows mutual recognition of inspections)
DATALINK
— Digitized Information Transfer (air/ground)
WWW
— World Wide Web
HBARO
— Barometric Altitude
AAF-1
— Director of Airway Facilities
CAP
— Civil Air Patrol
2H
— Second Half
SOP
— Standard Operational Procedure
JALPA
— Jamaica Air Line Pilots Association
VAT
— Value Added Tax
DARP(S)
— Dynamic Airborne Route Planning (System)
MTBF
— Mean Time Before Failure
R&D
— Research & Development
DABRK
— Daybreak
SMTP
— Simple Mail Transfer Protocol
HAWOP
— Helicopter All-Weather Operations Study Group
NADSW
— NADIN Switches
EADCOS
— EAD Co-ordination Group
POS REF
— Position Reference
EEO
— Equal Employment Opportunity
FACUTL
— Facility Utilization System
CUG
— Closed User Group
IANSSC
— IANS Steering Committee
GIS
— Geographic Information System
DEC
— Digital Equipment Corporation
DE
— Germany
COD
— Cash On Delivery
LOB
— Line Of Business
NTSB
— US National Transportation Safety Board
DDU
— Delivery Duty Unpaid
CIP
— Carriage and Insurance Paid to
LTIOV
— Latest Time Information of Value
PDA
— Personal Digital Assistant
FAQ
— Frequently Asked Questions (sometimes Pronounced Fak)
ADP
— Automated Data Processing
FYI
— For Your Information
AOG
— Aircraft On Ground
O&M
— Operation and Maintenance
NPV
— Net Present Value {economics}
PAQ
— Position Analysis Questionnaire
FLT
— Full Liner Terms
ASM
— Available Seat Mile
SAR
— Search And Rescue
ESA
— European Space Agency
RNG
— Range
ARINC 610
— Guidance For Design and Integration of Aircraft Avionics Equipment In Simulators, Supplement 1
GPS
— Global Positioning System (ex-NAVSTAR)
ATA
— Area Transportation Authority
DOT
— Department of Transport
ADC
— Air Data Computer
LOA
— Letter Of Agreement
EU
— European Union (1994; formerly referred to as the EEC or EC)
BVR
— Beyond Visual Range
ARPA
— Advanced Research Projects Agency (made early internet)
CHOPT
— Charterers Option
IWL
— Institute Warranty Limits
GNP
— gross national product (economics)
PCB
— printed circuit board
CQD
— Customary Quick Despatch
IBM
— International Business Machines Corporation
EXW
— Ex Works
CRT
— Cathode Ray Tube (type of TV)
CIO
— Chief Information Officer
FY
— Fiscal Year
OJT
— On the Job Training
ICAO
— International Civil Aviation Organization
SAN
— Storage Area Network
CTRL
— Control
DOD
— United States Department of Defense
TBD
— To Be Determined
ERP
— Emergency Response Plan
QTY
— Quantity
AGL
— Above Ground Level
DZ
— Algeria
QMS
— Quality Management System
LADGPS
— Local Area Differential Global Positioning System
ACK
— Acknowledge (telecommunications; Cf. NAK)
AAL
— Above Aerodrome Level
IMF
— International Monetary Fund
FAA
— Federal Aviation Administration
ACMS
— Aircraft Condition Monitoring System
FDEDANRSAOCLONL
— Freight Deemed Earned, Discountless And Non-Returnable Ship And Or Cargo Lost Or Not Lost
FAR
— Federal Acquisition Regulation
ATCRBS
— Air Traffic Control Radar Beacon System
ARINC 424
— Navigation System Data Base
KE
— Kenya
DSS
— Decision Support System
LSD
— Lashed Secured Dunnaged
W
— Watt
B/L
— Bill of Lading
SOW
— Statement Of Work
LVL
— Level
WX
— Weather
FOB
— Free On Board
BOD
— Beneficial Occupancy Date
CEP
— Circular Error Probable
CPT
— Carriage Paid To
FAS
— Free Alongside Ship
ETS
— Estimated Time of Sailing
DRAM
— Dynamic Random Access Memory (dee-ram) (computing)
QOS
— Quality of Service
MTTR
— Mean Time To Repair
CBT
— Computer Based Training
AFDK
— After Dark
PDN
— Public Data Network
LNG
— Liquefied Natural Gas
CTR
— Center
RESA
— Runway End Safety Area
Q&A
— Question & Answer
NATO
— North Atlantic Treaty Organisation
APU
— Auxiliary Power Unit
WAN
— Wide Area Network
TSTMS
— Thunderstorms
DVOF
— Digital Vertical Obstruction File
IATA
— International Air Transport Association
DML
— Data Manipulation Language
VCRI
— Verification Cross Reference Index
ARINC 753
— HF Data Link System
APR
— April River Airport, April River, Papua New Guinea
CFR
— Code of Federal Regulations
LOI
— Letter of Indemnity
GSA
— U.S. General Services Administration
CONUS
— Continental United States (48 Contiguous States and DC)
AED
— Automated external defibrillator
ATC
— Air traffic control
S
— South
CISO
— Chief Information Security Officer
ISDN
— Integrated Services Digital Network
CNEE
— Consignee
COBT
— Calculated Off Block Time
ALT
— Alternate
COOP
— Continuity of Operations
HAZMAT
— Hazardous Material
IAEA
— International Atomic Energy Agency
UA
— Ukraine
IM
— Information Management
COGSA
— U.S. Carriage of Goods by Sea Act
EU-OPS
— EASA Operations Regulations
INFO
— Information
HUMS
— Health and usage monitoring systems
RVR
— Runway Visual Range
CAF
— Currency Adjustment Factor
KG
— Kilogram
PRI
— Primary Rate Interface (ISDN)
AFCS
— Automatic Flight Control System
FD
— Flight Director
USAF
— United States Air Force
FDD
— Freight Demurrage Deadfreight
EBCDIC
— Extended Binary Coded Decimal Interchange Code (pronounced Eb-see-dik) (cf. BCD)
PM
— Preventive Maintenance
RCR
— Runway Condition Reading
CM
— Centimeter
AGW
— All Going Well
IFTO
— International Federation of Tour Operators
BPS
— bits per second
TTG
— Time-To-Go
FOIA
— Freedom of Information Act
MSL
— Mean Sea Level
IFB
— Invitation For Bid
MHZ
— Megahertz (Megacycles Per Second)
D-ATIS
— Digital - Automatic Terminal Information Service
TC/OC
— Technical Control and Operational Control
FDP/RDP
— Flight Data Processing/Radar Data Processing
CGL
— Circling Guidance Light
SVC
— Service
TTL
— Transistor-Transistor Logic
MIL
— Military
VHF
— Very High Frequency
AOM
— Aircraft Operating Manual
OUTB
— Outbound
FAR
— Federal Aviation Regulation
BCR
— Benefit/Cost Ratio
LED
— law enforcement desk; light emitting diode
ATHWARTSHIPS
— At right angles to the centreline of the ship
ACD
— Automatic Call Distributor
GE
— Georgia
RDP
— Radar Data Processing
WAC
— World Aeronautical Chart
OMB
— Office of Management and Budget (U.S.)
CZ
— Czech Republic
EMP
— Electromagnetic Pulse
DDE
— Dynamic Data Exchange (in software parlance)
NOTAMC
— Notam Cancelling another Notam
EAS
— Equivalent Airspeed
APAPI
— Abbreviated Precision Approach Path Indicator
CAA
— Civil Aviation Authority
COTR
— Contracting Officer Technical Representative
ITU
— International Telecommunication Union
HUM RES
— Human Resources
ATA
— Actual Time of Arrival
APS
— Arrival Pilot Station
MRC
— Monthly Recurring Charge
RTE
— Route
HQ
— Headquarters (HDQ Preferred)
SQL
— Structured Query Language
IR
— Islamic Republic of Iran
PDPR
— Per Day Pro Rata
DME
— Distance Measuring Equipment
LEO
— Low Earth Orbit (satellite communications)
CAVU
— Ceiling And Visibility Unlimited
AF
— Air Force
CRM
— Crew Resource Management
AT&T
— American Telephone and Telegraph (U.S. company, also known as "Ma Bell")
CU
— Control Unit
PRE-OJT
— Pre-On-the-Job Training
ASR
— Airport Surveillance Radar
COS
— Chief of Staff
EEG
— Electro-EncephaloGram
FCC
— Federal Communications Commission (US)
DEC
— December
ADDENDUM
— Additional chartering terms at the end of a charter party
ADSY
— Administrative Equipment Systems
DDP
— Delivered Duty Paid
OPM
— Office of Personnel Management
AC
— Air Canada
HZ
— cycles per second (hertz)
RFQ
— Request For Quote
ALT
— Altitude
TCP
— Transmission Control Protocol
ALSTG
— Altimeter Setting
MTTF
— Mean Time To Failure
UN
— United Narions
AO
— Authorizing Official
EG
— Egypt
CMO
— Certificate Management Office
NOR
— Notice of Readiness
BRI
— Basic Rate Interface
CIF
— Cost, Insurance, Freight
NM
— Nautical Mile
DOS
— Disk Operating System
IR
— Iran Air
MBO
— Management by Objective
FD
— Free Discharge
DK
— Deck
MCE
— Management Centre Europe
GPO
— Government Printing Office
COA
— Contract Of Affreightment
RSPL
— Recommended Spare Parts List
SMS
— Safety Management Systems
1 PPS
— One Pulse Per Second
UHF
— Ultra High Frequency (300-3000 MHz; 1m-10cm)
CASE
— computer-automated software engineering
CFR
— Cost and Freight
AMSL
— Above Mean Sea Level
TV
— Television
NOAA
— National Oceanic and Atmospheric Administration (US)
CPIC
— Capital Planning and Investment Control
SEQ
— Sequence
GMT
— Greenwich Mean Time (Zulu)
DES
— Delivered Ex Ship
UPU
— Universal Postal Union
MIN
— Minimum
KBS
— Knowledge-Based System
CDL
— Configuration Deviation List
CM
— Configuration Management
SWIM
— System Wide Information Management
AOM
— Aircraft Operations Manual
GEN
— General Motors
AVMED
— Aviation Medicine
I/O
— Input/Output
ARINC 743A
— GPS/GLONASS Sensor
BW
— Bandwidth
DOLSP
— Dropping Off Last Sea Pilot
YD
— Yaw Damper
N
— North
DEBRIEF
— Debriefing
LAT
— Latitude
CKD
— Completely Knocked Down
RISC
— Reduced Instruction Set Computer
HMI
— Human Machine Interface
16PF
— Sixteen Personality Factor Questionnaire
DRP
— Disaster Recovery Plan
HU
— Hungary
SAE
— Society of Automotive Engineers
BAF
— Bunker Adjustment Factor
GSE
— Ground Support Equipment
RCM
— Requirements Correlation Matrix
PER SE
— By Itself
AE
— Application Entity
CRC
— Contrôle de Redondance Cyclique (French: Cyclic Redundancy Check)
OPI
— Office of Primary Interest
PBX
— Private Branch eXchange (company phone system)
EMS
— Environmental Management Systems
DBMS
— Data Base Management System
E
— East
FT
— Feet
PAR
— Precision Approach Radar
ETE
— Estimated Time En Route
EIS
— Environmental Impact Statement (US)
CDB
— Corporate Database
RNP5
— Required Navigation Performance 5
MSDA
— Material Safety Data Sheet
ARINC 419
— Digital Data System Compendium
CRF
— Central Repair Facility
OSI
— Open Systems Interconnection (iso Standard)
ETC
— Estimated Time of Completion
PSTN
— Public Switched Telephone Network
HWCI
— Hardware Configuration Item
DRAUGHT
— Depth to which a ship is immersed in water
EFTA
— European Free Trade Association (Geneva)
CAT X
— Category x Precision Approach
LF
— Low Frequency
MK
— Republic of Macedonia
FO
— For Orders
CW
— Continuous Wave
K
— Kilo-
EW
— Eurowings
DR
— Disaster Recovery
RCU
— Remote Control Unit
MSA
— Minimum Safe Altitude
ITIL
— Information Technology Infrastructure Library
EPR
— Engine Pressure Ratio
EBU
— Engine Build Unit
ETO
— Estimated Time Over
L/C
— Letter of Credit
FOFFER
— Firm Offer
DFDAU
— Digital Flight Data Acquisition Unit
ARINC 429
— Mark 33 Digital Information Transfer System
BAF
— Belgian Air Force
CN
— Change Notice
FIM
— Fault Isolation Manual
BELOW
— Beneath the deck
PCT
— Percent
LEC
— Local Exchange Carrier
ENG
— Engine
BDI
— Both Dates Inclusive
NOV
— November
NEG
— NEGative
DHDWTSBE
— Despatch Half Demurrage on Working Time Saved Both Ends
PMP
— Project Management Plan
KHZ
— kilohertz (1000 cycles per second)
2D
— Two-Dimensional
IS
— Iceland
DEQ
— Delivered Ex Quay (shipping)
MAX
— Maximum
NTE
— Not-To-Exceed
MMU
— Memory Management Unit
EGA
— Enhanced Graphics Adapter
DMA
— direct memory access (computer term)
BY
— Belarus
CAT
— Computer Aided Testing
TK
— Turkish Airlines
COTS
— Commercial Off the Shelf Software
VSCF
— Variable-Speed Constant Frequency
CCSD
— command communications service designator; control communications service designator
AIRNAV
— Airports and Navigation Aids Database System
LOCID
— Location Identifier
OO
— SkyWest Airlines
AOR
— Area of Responsibility. The assigned area to any given unit.
ADF
— Automatic Direction Finder
WT
— Weight
BIT(E)
— Built-ln-Test (Equipment)
RMS
— root mean square (preferred over "RMS")
ETD
— Estimated Time of Departure
C
— Centigrade
ALSF-2
— High Intensity Approach Lighting Systerm with Sequenced Flashing Lights.
TX / RX
— Transmitter / Receiver
FAC
— Facilities
ELINT
— Electronic Intelligence Satellite
PABX
— private automatic branch exchange (telephone)
AFSPS
— Arrival First Sea Pilot Station
CDU
— Control Display Unit
MIPS
— Millions of Instructions Per Second
ADDS
— Aviation Digital Data Service
KW
— Kilowatt (one thousand watts) (measurement)
FOUO
— For Official Use Only
LIDO
— Lufthansa Integrated Dispatch Operation
POS
— Position
IPT
— Integrated Product Team
DAFIF
— Digital Aeronautical Flight Information File
HDLTSBENDS
— Half Despatch Lay Time Saved Both Ends
EXER
— Exercise
IRU
— Inertial Reference Unit
LUX
— Findel International Airport, Luxembourg-Findel, Luxembourg
ARINC 542
— Airborne Oscillograph Flight Data Recorder
CONOPS
— Concept of Operations
EASA
— European Aviation Safety Agency
ACPT
— Accept
IFF
— Identification Friend or Foe (radar)
DIST
— Distance
RAIM
— Receiver Autonomous Integrity Monitoring
PVC
— Permanent Virtual Circuit (ATM)
ERP
— Effective Radiated Power
JCN
— Job Control Number
ADC
— Air Defense Command
AOCS
— Attitude and Orbit Control System
MAINT
— Maintenance
CLR
— Clear
AIXM
— Aeronautical Information Exchange Model
AVOL
— aerodrome visibility operational level
CVR
— Cockpit Voice Recorder
RSVN
— Reservation
HDLC
— High-Level Data Link Control
FOT
— Free On Truck
WOCL
— Window of Circadian Low
CAT
— Category (e.g. CAT-5 cable)
RMS ERROR
— Root Mean Square error.
CW
— Clockwise
NEPA
— National Energy Policy Act of 1992
ACT
— Active
NRT
— Net Restricted Tonnage
MODEM
— Modulator-Demodulator
ASD
— Aircraft Situation Display
DOP
— Dropping Outward Pilot
PALS
— Precision Approach Lighting System
LOA
— Length Overall
POS INIT
— Position Initialization
CAVOK
— Ceiling And Visibility OK (Kav-okay)
AVG
— Average Voltage Gain
ELBA
— Emergency Location Beacon-Aircraft
A02
— Automated Observation With Precipitation Discriminator
SCADA
— Supervisory Control And Data Aquisition
DTED
— Digital Terrain Elevation Data (dee-ted)
NESDIS
— National Environmental Satellite, Data, and Information Service
SNR
— Signal-to-Noise Ratio
BL
— Bale
BOW
— The forward part of a ship
RLLS
— Runway Lead-In Light System
ATD
— Actual Time of Departure
BM
— Beam
R
— Right
ADZY
— Advisory
EXTRM
— Extreme
ITF
— International Transport Workers' Federation
CMC
— Central Maintenance Computer
VAN
— Value Added Network
ARINC 408A
— Air Transport Indicator Cases And Mounting
MAA
— Maximum Authorized Altitude
EFQM
— European Foundation for Quality Management's
HF
— High Frequency
ACN
— Aircraft Classification Number
EET
— Estimated Elapsed Time
EVM
— Earned Value Management
FANS
— Future Air Navigation System
ANS
— Answer
FAA
— Federal Aviation Authority
OTFO
— Operations Technical Field Office
PRF
— Pulse Repetition Frequency
JAN
— January
NOTAMN
— New Notam
RDIF
— Radar Data Interchange Format
NAS
— National Airspace System
NACA
— National Advisory Committee for Aeronautics
STTR
— Small Business Technology Transfer
W
— West
L
— Left
RNP
— Required Navigation Performance
CG
— Center of Gravity (DXS)
P&I
— Protection and Indemnity insurance
ACARS
— Aircraft Communications Addressing and Reporting System
HIRO
— High Intensity Runway Operation
LDAP
— Lightweight Directory Access Protocol (pronounced Ell-dap)
AIP
— Aeronautical Information Publication
CPDLC
— Controller Pilot Data Link Communications
CAASA
— Commercial Aviation Association of Southern Africa
A/C
— Aircraft
ALSF2
— ALS with Sequenced Flashers II
CI
— China Airlines - Taiwan
EPROM
— Erasable Programmable Read-Only Memory
OU
— Croatia Airlines
FCL
— Full Container Load
FDOD
— CFMU – Flight Data Operations Division
ITSM
— Information Technology Service Management
IMA
— Integrated Modular Avionics
DEA
— Drug Enforcement Agency
FLT
— Flight
LIDAR
— Lander Light Detection and Ranging
GFE
— Government-Furnished Equipment
TBO
— Time Between Overhaul
ITMRA
— Information Technology Management Reform Act (Part of the Clinger-Cohen Act)
ANG
— Air National Guard
DID
— direct inward dial
NCS
— National Communications System
ARINC 597
— Aircraft Communications Addressing And Reporting System
DDD
— Detailed Design Document
3D
— Three Dimensional
ARINC 572
— Mark 2 Air Traffic Control Transponder
ULR
— Ultra Long Range
MOLOO
— More or Less Owners Option
FMC
— Federal Maritime Commission's
ASTERIX
— All-purpose Structured Eurocontrol Radar Information Exchange
PQP
— Project Quality Plan
AFA
— Association of Flight Attendants
SALS
— Short Approach Lighting System
BRK
— Break
WO
— Without
HIRTA
— High Intensity Radio Transmission Area
NPRM
— Notice Of Proposed Rule Making
AWB
— Air Waybill
NAVDB
— Navigation Data Base
ARINC 743
— Airborne Global Positioning System Receiver
MTBCF
— Mean Time Between Critical Failures
PHA
— Preliminary Hazard Analysis
HMI
— Hazardously Misleading Information
ADIRS
— Air Data Inertial Reference System
CY
— Cyprus Airways Ltd
CW
— Carrier Wave
OCT
— October
FP
— Flight Plan
XFR
— Transfer
ATFM
— air traffic flow management
PAPI
— Precision Approach Path Indicator (aviation)
ARINC 575
— Mark 3 Subsonic Air Data System
WG
— Working Group
AF
— Air France
FRS
— Functional Requirements Specifications
ISA
— International Standard Atmosphere
EST
— Estimated Starting Time
AFB
— Air Force Base (USAF)
LY
— El Al Israel Airlines
MBPS
— Megabits per second
LF
— Load Factor
NRL
— Naval Research Laboratory
CAT
— Clear Air Turbulence
ATMAC
— Air Traffic Management Advisory Committee
DH
— Decision Height
IF
— Intermediate Frequency
AY
— Finnair, Oyj - Finland
ARINC 561
— Air Transport Inertial Navigation System - INS
FQR
— Formal Qualification Review
SID
— Standard Instrument Departure
FOD
— Foreign Object Damage
ARINC 747
— Flight Data Recorder
ADS-C
— Automatic Dependent Surveillance-Contract
NOTAM
— Notice to Airmen
ARINC 603
— Airborne Computer Data Loader
EFMS
— Experimental Flight Management System
ADCCP
— Advanced Data Communications Control Procedures
BADA
— Base of Aircraft Data ; Aircraft performance Data
AA
— Always Afloat
CCU
— Central Control Unit
CX
— Cathay Pacific Airways
AEW
— Airborne Early Warning
ALQDS
— All Quadrants
HDOP
— Horizontal Dilution of Precision
FL
— Flight Level
CRS
— Course
AACO
— Arab Air Carriers Organisation
RDF
— Radio Direction Finder
CDI
— Course Deviation Indicator
BL
— Blowing (METAR descriptor)
CLD
— Cloud
PFD
— Primary Flight Display
ARINC 557
— Airborne Voice Recorder
FIS
— Flight Information Service
WO
— World Airways, Inc
AAAA
— Always Accessible Always Afloat
DOS
— United States Department of State
FSRM
— Facility Security Risk Management
FF
— Fuel Flow
IFOR
— Implementation Force
ALP
— Airport Layout Plan
ARINC
— Aeronautical Radio Incorporated
NAS
— National Aircraft Standard
MECO
— Main Engine Cutoff
FRB
— Failure Review Board
AVAIL
— Available
SH
— Showers
A/A
— Air-to-Air
WP
— Work Package
CGL
— Circling Guidance Lights
MIRL
— Medium Intensity Runway Lights
AEA
— Association of European Airlines
IN.HG.
— inches of mercury
PPI
— Plan Position Indicator
GPRA
— Government Performance and Results Act
DR
— Dead Reckoning
PCM
— Pulse-Code Modulation
ATDNSHINC
— Any Time Day/Night Sundays and Holidays Included
LT
— Liner Terms
SV
— Space Vehicle
WPM
— speech--words per minute
KE
— Korean Airlines
W
— White
PKI
— Public Key Infrastructure (cryptography)
SNGL
— Single
HGT
— Height
BOC
— Bell Operating Company
NI
— Network Interface
ARINC 573
— Aircraft Integrated Data System Mark
DDS
— Digital Data Service
TCA
— Terminal Control Area
AHL
— Australian Hold Ladders
GS
— Ground Speed
UL
— Uplink
AUTOVON
— Automatic Voice Network
MCW
— Modulated Continuous Wave
AUG
— August
MDA
— Minimum Descent Altitude
AT&T CSA
— At&t Customer Support Associate
TYPH
— Typhoon
FACF
— Final Approach Course Fix
ILO
— International Labour Organisation
FMC
— Flight Management Computer
CCITT
— Comite Consultatif International de Telegraphique et Telephonique (International Telegraph and Telephone Consultative Committee) [now ITU-T]
FZRA
— Freezing Rain (METAR Code)
ARINC 740
— Multiple-Input Cockpit Printer
DHS
— Department of Human Services
SHF
— Super High Frequency
BRG
— Bearing
GW
— Gross Weight
ADV
— Advise
FADEC
— Full Authority Digital Engine Control
MRA
— Minimum Reception Altitude
GA
— General Aviation
ECAC
— European Civil Aviation Conference
EADI
— Electronic Attitude Director Indicator
EXEC
— Execute
MDT
— Mean Down Time
NAAQS
— National Ambient Air Quality Standards (US)
AAIM
— Aircraft Autonomous Integrity Monitoring
XEU
— European Currency Unit
NFPA
— National Fire Protection Association
A/D
— Analog-to-Digital
ARINC 421
— Guidance For Standard Subdivision of ATA Spec 100 Numbering System for Avionics
NASA
— National Aeronautics and Space Administration (US)
EIB
— European Investment Bank
AD
— Aerodrome
RM
— Risk Management
DCA
— Defensive Counter Air
PF
— Pilot Flying
ATLA
— Air Transport Licensing Authority
MCT
— Maximum Continuous Thrust
SDLC
— Software development life cycle
AFSS
— Automated Flight Service Station
DPI
— Dots per inch.
EHF
— Extremely High Frequency
VGND
— Ground Velocity
ARINC 601
— Control/Display Interfaces
ND
— Navigation Display
RSYD
— Release Subject to Your Discretion
FOQ
— Free On Quay
FSS
— Flight Service Station
GSFC
— Goddard Space Flight Center (Greenbelt, MD)
CPD
— Continuous Professional Development
BCA
— Benefit/Cost Analysis
FPL
— Full Performance Level
DA
— Decision Altitude
EDF
— Electricité de France
QPSK
— aeronautical quadrature phase shift keying
ANSP
— Air Navigation Service Provider
CEQ
— Council on Environmental Quality (U.S.)
B
— Blue
CIRM
— International Radio Maritime Committee
ARTCC
— Air Route Traffic Control Center
MLW
— Maximum Landing Weight
CBI
— Computer Based Instruction
AOB
— Air Order of Battle
RMP
— Radio Management Panel
OVERBOARD
— Over the side or out of the ship
TOR
— terms of reference (ICAO/FAA)
NPS
— Navigation Performance Scales
DBS
— Direct Broadcast Satellite
TCU
— Towering Cumulus
DDM
— Difference in Depth of Modulation
AT
— Air Traffic
VSWR
— Voltage Standing Wave Ratio
C
— Close
SVID
— System V Interface Definition
EPCU
— Electrical Power Control Unit
AUTOCAD
— Automatic Computer Aided Design
HIRL
— High Intensity Runway Lights
MIT
— Massachusetts Institute of Technology (U.S.)
FONSI
— Finding of no significant impact. See Environmental impact statement (US)
ELT
— Emergency Locator Transmitter
F
— Degrees Fahrenheit
AQP
— Advanced Qualification Program
MEL
— Minimum Equipment List
ACM
— Airspace Control Measures
GCA
— Ground-controlled approach
FFA
— Functional Failure Analysis
GHZ
— Gigahertz
BR
— Eva Airways Corporation
LZ
— Balkan Bulgarian Airlines
GBAS
— Ground Based Augmentation System
OGC
— Open Geospatial Consortium
SAW
— Surface Acoustic Wave
TDMA
— Time Division Multiple Access
SSEC
— Static Source Error Correction
IMC
— Instrument Meteorological Conditions
THR
— Thrust
ECAM
— Electronic Centralized Aircraft Monitor
VMIN
— Basic Clean Aircraft Minimum CAS
HIWAS
— Hazardous Inflight Weather Advisory Service
MAN
— Manual
LH
— Lufthansa German Airlines
A&P
— Airframe & Powerplant
LW
— Low Water
BOFFER
— Best Offer
DNRCAOSLONL
— Discountless and Non-Returnable Cargo and/or Ship Lost or Not Lost
SEP
— September
OK
— Czech Airlines
VDF
— Very high frequency Direction Finding station
RFC
— Request For Change
FZFG
— Freezing Fog
NW
— Northwest Airlines
SU
— Aeroflot Russian Airlines
FRA
— Federal Railroad Administration
V
— Velocity
ARINC 542A
— Digital Flight Data Recorder
TAS
— True Airspeed
BWAD
— Brackish Water Arrival Draft
CDM
— Collaborative Decision Making
TLV
— Type-Length-Value
AFS
— Aeronautical Fixed Service
CARSR
— Common Air Route Surveillance Radar
LLWAS
— Low Level Wind Shear Alert System
ARINC 606
— Guidance For Electrostatic Sensitive Device Utilisation & Protection, Sup. 1
FREE EXINS
— Free of any Extra Insurance
IRS
— Inertial Reference System
SAC
— Strategic Air Command
ABV
— Above
AC
— Altocumulus
ARINC 566
— Airborne VHF Communications Transceiver And Mark 1 VHF SATCOM System
IDS
— Intrusion Detection System
SIP
— State Implementation Plan
HEX
— Hexadecimal (base 16)
GS
— Glide Slope
BROB
— Bunkers Remaining on Board
CPD
— Charterers Pay Dues
AWACS
— Airborne Warning And Control System
AP
— Airport
AIDC
— Air traffic control Inter-Facility Ground Data Communications
DAF
— Deliver At Frontier
PRN CODE
— Pseudo Random Noise Code
ODALS
— Omnidirectional Approach Lighting Systems
MM
— Middle Marker
OL
— Operating Location
MTTRP
— Mean Time to repair product
FEIS
— Final Environmental impact statement (US)
WTSPT
— Waterspout
ALSF1
— ALS with Sequenced Flashers I
CFAR
— Constant False Alarm Rate
DGNSS
— Differential Global Navigation Satellite System
A&E
— Architecture and Engineering
SN
— Brussels Airlines
BENDS
— Both Ends (shipping)
SP
— Space
FZDZ
— Freezing Drizzle
KM
— Kilometer (1,000 meters)
TTY
— Teletype Telex Machine
SBIR
— Small Business Innovation Research
ALERFA
— alert phase
SS 30
— 30 Minutes after Sunset
DETRESFA
— distress phase (lCAO)
IISLS
— Improved Interrogation Side Lobe Suppression
HVAC
— Heating, Ventilating, And Air Conditioning
AACO
— Arab Air Carriers Organization
CAB
— Civil Aeronautics Board
CPS
— characters per second
RMNDR
— Reminder
TMA
— Traffic Management Advisor
FYG
— For Your Guidance
CVSM
— Conventional Vertical Separation Minimum
RTLS
— Return To Launch Site
GCU
— Generator Control Unit
CONS
— consumption
AFFSC (E)
— Air Forces Flight Safety Committee (Europe)
COACP
— Contract Of Affreightment Charter Party
PRKG
— Parking
ACI
— Airports Council International
CATX
— Categorical Exclusion
LGTD
— Lighted
QUIS
— Questionnaire for User Interface Satisfaction
PA
— Pan American Airways
CR
— Current Rate
ARO
— Air Traffic Services Reporting Office
VCO
— Voltage Controlled Oscillator (Oscillation)
SRV
— Server
1 :1
— One-to-one relationship
FMGC
— Flight Management Guidance Computer
NAABSA
— Not Always Afloat But Safely Aground
APA
— Allied Pilots Association
JPDA
— Joint Probabilistic Data Association
FEP
— Front End Processor
MSSR
— Monopulse Secondary Surveillance Radar
GML
— Geography Markup Language
SITA
— Société Internationale de Télécommunications Aéronautiques
PII
— Personally Identifiable Information
POL STAT
— Policy Statement
SUA
— Special-Use Airspace
HUD
— Head-Up Display
IPV6
— Internet Protocol Version 6
GDOP
— Geometric Dilution Of Precision
INS
— Inertial Navigation System
ACU
— Antenna Control Unit
DCE
— Data Communication Equipment
VCCS
— Voice Communication and Control System
HZ
— Haze (METAR Code)
AD
— airworthiness directives (FAA)
NTZ
— No Transgression Zone
CPS
— Central Processing System
AFCAC
— African Civil Aviation Commission
MDO
— Marine Diesel Oil
AGHME
— Aircraft Geometric Height Measurement Element
FA
— Final Approach
AVBL
— available
FEC
— Forward Error Correction
ATE
— Automatic Test Engineer
CDRL
— Contracts Data Requirements List
ADIZ
— Air Defense Identification Zone
MOCA
— Minimum Obstruction Clearance Altitude
5LNC
— Five Letter Name Code
DEIS
— Draft Environmental Impact Statement (US)
CSD
— Constant Speed Drive
GOES
— Geostationary Operational Environmental Satellite
AMT
— Aviation Maintenance Technician
TOT
— Total
RTOS
— Real-Time Operating System
BA
— Braking Action
LCN
— Load Classification Number
DEM
— German mark
ANA
— All Nippon Airways
DNIC
— Data Network Identification Code
FIW
— Free in wagon
ARINC 559A
— Mark 2 Airborne HF SSB/AM System
ALS
— approach lighting system
TDD
— Time Division Duplex
CD
— Candela
GUI
— Graphic-User Interface
ADF
— Automatic Direction Finding
CFI
— Certified Flight Instructor
TM
— Traffic Management
MNM
— Minimum
ASDE-X
— Airport Surface Detection Equipment - X (frequency) band
BOB
— Bunker On Board
NRZ
— Non-Return-To-Zero
ILS
— Instituteument Landing System
LORAN
— Long-Range Aid to Navigation
MVFR
— Marginal Visual Flight Rules
PFN
— Pulse-Forming-Network
LSA
— Lysergic Acid Amide
ADVCTN
— Advection
EIA
— Extended Interaction Amplifier
TIAS
— True Indicated Airspeed
ATCSCC
— Air Traffic Control System Command Center
DOI
— United States Department of Interior
AWIPS
— Advanced weather Interactive Processing System (NOAA)
ID
— IDentifier
AOC
— Airline Operation Control
8.33 STATE
— A State initially implementing 8.33 kHz channel spacing
PIREP
— Pilot (weather) Report
AIRPROX
— The code word used in air traffic incident report to designate aircraft proximity
EFIS
— Electronic Flight Information System
ARINC 579
— Airborne VOR Receiver
DBE
— Disadvantaged Business Enterprise
LT
— Long Ton
FIOS
— Free In/Out Stowed
MAG
— Magnetic
UT
— Universal Time
A/C
— Aircraft Commander
ARTS
— Automated Radar Terminal System
CDT
— Controlled Departure Time
TEMP
— Temperature
HOV
— High Occupancy Vehicle
HALO
— High Altitude, Low Opening (skydiving term)
FIR
— Flight Information Region
FDR
— Flight Data Recorder
FLAS
— Flight Level Allocation Scheme
DEM
— Demurrage
AUSEP
— Australian RNAV Separation Standards
BSC
— Binary Synchronous Communication
NORDO
— No-Radio
ATUTC
— Actual Times Used to Count
RPV
— Remotely Piloted Vehicle
VASIS
— Visual Approach Slope Indicator System
CART
— Classification And Regression Tree (method In Statistical Analysis)
ARINC 591
— Quick Access Recorder For Aids System
VSBY
— Visibility
ARAG
— Amsterdam Rotterdam Antwerp Gent Range
V
— Volt (measurement)
IF
— Intermediate Fix
MOD
— Modified
RAD
— Radio
DIR
— Directory
ARINC 571
— Inertial Reference System
MCP
— Mode Control Panel
AT
— Air Transport
ATZ
— Aerodrome Traffic Zone
OT&E
— Operational Test and Evaluation
CAP
— Combat Air Patrol
LATA
— Local Access and Transport Area
ARINC 596
— Mark 2 Airborne SELCAL System
TCAS
— Traffic Collision Avoidance System
PAMPLAY
— PAM rePLAY system
ALTRV
— Altitude Reservation
PUP
— Principal User Processor (NEXRAD)
DIA
— Denver International Airport
RAPPI
— Random Access Plan-Position Indicator
A/P
— Autopilot
TURB
— Turbulence
FLTCK
— Flight Check
CCIR
— International Radio Consultative Committee (French Acronym)
CDTI
— Cockpit display of traffic information
DEG
— Degree
ASI
— Air Speed Indicator
BIM
— Building Information Model
EXPLT
— Extrapolate
HAT
— Height Above Touchdown
REQ
— Request
CRM
— Cockpit Resource Management
RATCC
— Radar Air Traffic Control Center
DA
— Disbursement Account
IFR
— Instrument Flight Rules
ATO
— Air Traffic Organization
DPSK
— Differential Phase Shift Keying
MN
— Magnetic North
ADCOM
— Address Commission
ANTHAM
— Antwerp-Hamburg Range
NOSIG
— No Significant Change
MTBR
— Mean Time Between Replacement
TSU
— Technical Support Unit
AMA
— Area Minimum Altitude
HAPI
— Helicopter Approach Path Indicator
RIB
— Routing Information Base
AS
— Altostratus
AITS
— Automated Inventory Tracking System
TOP
— Cloud Top
ASYNC
— Asynchronous
JMCT
— Job Management Consultative Team [job analysis]
MCA
— Minimum Crossing Altitude
GDP
— Ground Delay Program
FSM
— Flight Schedule Monitor
ACAIS
— Air Carrier Activity Information System
MT
— Mertic Tonne
NSSL
— National Severe Storms Laboratory
PERF
— Performance
UIR
— Upper Information Region
HDG
— Heading
ACCT
— Accounting Records
ARINC 566A
— Mark 3 VHF Communications Transceiver
PMS
— Performance Management System
QUAD
— Quadrant
LIFR
— Low Instrument Flight Rules
NASTEP
— National Airspace System Technical Evaluation Program
FRT
— Freight
KBPS
— kilobits per second
VMC
— visual meteorological conditions
BUECE
— Back-up Emergency Communications Equipment
CST
— Centistoke
FR
— From
M
— Manual
STAB
— Stabilizer
IFPZ
— IFPS Zone
STAR
— Standard Terminal Arrival Route
NEC
— National Electric Code
FOQA
— Flight Operations Quality Assurance Programs
SARPS
— Standards and Recommended Practices
CIP
— Capital Investment Plan
VTS
— Vessel Traffic Service
LDI
— Landing Direction Indicator
CMIP
— Common Management Information Protocol (ATM)
MPO
— Metropolitan Planning Organization
PFI
— Private Finance Initiative
T
— Time
RNP-10
— Required Navigation Performance
ARINC 744
— Full Format Printer
ARINC 745
— Automatic Dependent Surveillance, Supplement 1
4D FMS
— 4D Flight Management System
CAS
— Calibrated Air Speed
AEWPD
— Adapted EATM Work Programme Document
C/N
— Carrier-To-Noise Ratio
ODS
— Operational Data Store (knowledge management)
PMS
— Pavement Management System
TMU
— Traffic Management Unit
ADA
— Advisory Area
DIP
— Drop and Insert Point
LOFT
— Line-Oriented Flight Training
CON
— Continuous
Z
— Zulu (Greenwich mean time)
QAR
— Quick Access Recorder
SLEP
— Service Life Extension Program
SGS 85
— Sovietic Geodetic System
1 :M
— One-to-Many relationship
XAP
— Crossing Alternate Proposal Message
DALR
— Digital Audio Legal Recorder
HW
— High Water
IMDG
— International Maritime Dangerous Goods
CLC
— Course Line Computer
DTM
— Digital Terrain Model
ASMA
— Aerospace Medical Association
LTOG
— Long Term Objectives Groups
STWL
— Stopway Lights
ARINC 578
— Airborne ILS Receiver
FST
— First
FBO
— Fixed-Based Operator
XTRK
— Cross Track Error
NWS
— National Weather Service (formerly U.S. Weather Bureau)
CFWU
— Central Flow Weather Unit
FAP
— Final Approach Point
ABM
— Abeam
HDD
— Head Down Display
ATCO
— Air Taxi Commercial Operator
SSR
— Software Specification Review
ACR
— Atlantic Co-ordinated Route
ILSP
— Integrated Logistics Support Plan/Program
QAE
— Quality Assurance Evaluator
SSB
— Single Side Band
IVSR
— Interim Voice Switch Replacement Program
GRT
— Gross Registered Tonnage/Tons
STOL
— Short Takeoff And Landing
ARSR
— Air Route Surveillance Radar
AILS
— Automatic Instrument Landing System
ELVENT
— Electric Ventilation
ANC
— Air Navigation Commission
DHDATSBE
— Despatch Half Demurrage on All Time Saved Both Ends
ICASM
— International Congress of Aviation and Space Medicine
AZM
— Azimuth
DEP
— Depart
AKARD
— Available Knowledge And required system Research and Development
NPR
— National Performance Review (office)
STA
— Scheduled Time of Arrival
SESAR
— Single European Sky ATM Research
NCAR
— National Center for Atmospheric Research (US)
ARINC 574
— Passenger Announcement, Entertainment & Service Multiplex System
ACSE
— Application Control Service Element
RWY
— Runway
TROP
— Tropopause
AFISO
— Aerodrome Flight Information Service Officer
FDIO
— Flight Data Input/Output
AFIL
— Air Filed Flight Plan
ATS
— Air Traffic Services
MNS
— Mission Needs Statement
EST
— Estimated Ship Time
AEFMP
— Algeria, Spain, France, Maroc, Portugal Project
OCA
— Oceanic Control Area
LIM
— Limit
CTR
— Container Fitted
CFDS
— Centralised Fault Display System
LRU
— Line Replacement Unit
SDR
— Service Difficulty Report
LGT
— Light
DES
— Descend
IOT&E
— Independent Operational Test and Evaluation
PROF
— Profile
ALCE
— Airlift Control Element
LRNS
— Long-Range Navigation System
DLP
— Data Link Processor
FPM
— Feet Per Minute
CRDA
— Converging Runway Display Aid
AAS
— advanced automation system (FAA)
CDT
— Command Delivery Time
BKN
— Broken Sky (METAR Code)
CROB
— Cargo Remaining on Board
PFA
— Probability of False Alarm
BASE AM
— Base Arrival Manager
ATSAP
— Air Traffic Safety Action Program
AOPA
— Aircraft Owners and Pilots Association
RSTD
— Restricted
CNCL
— Cancel
RESMA
— Requirements for Emergency and Safety Airborne Equipment
HSI
— Horizontal Situation Indicator
AC
— Advisory Circular
FTI
— FAA Telecommunications Infrastructure
DEA
— Data Exchange Agreement
RAD
— Radial
PSN
— Packet Switched Network
ACID
— Aircraft Identification
MTD
— Moving Target Detection
DP
— Dewpoint Temperatue
SURVITE
— Surveillance Integrated Tested for EATMS
ALSF
— Approach Lighting System With Sequenced Flashing Lights
ACNZ
— Airways Corporation of New Zealand Ltd
DES
— Descent
GRI
— General Rate Increase
ISMLS
— Interim Standard Microwave Landing System
AWOG
— All Weather Operations Group
FIOST
— Free In/Out and Trimmed
ACCS
— Air Command and Control System
ARINC 306
— Guidance For Designers Of Aircraft-Electronic Installations
FSK
— Frequency Shift Keying
IMG
— Immigration
ATAG
— Air Transport Action Group
J2EE
— Java 2 Enterprise Edition
UAT
— Universal Access Transceiver
TDOP
— Time Dilution of Precision
FI
— Flight Instructor
IG
— Inspector General (HHS)
LASKA
— Learning And Skills Acquisition
JTSO
— Joint Technical Standard Order
IAO
— In And Out
CAS
— Close Air Support
ARP
— Aerodrome Reference Point
DEST
— Destination
AIMS
— Airplane Information Management System
FTE
— Flight Technical Error
ATLC
— Atlantic
EQPT
— Equipment
QDR
— Reciprocal Magnetic Bearing
DZ
— Drizzle
SMGC
— Surface Movement Guidance and Control
FARAWAY
— Fusion of Radar and ADS data through two WAY data link
RPI
— Real Property Inventory
NIMA
— National Imagery and Mapping Agency (became National Geospatial-Intelligence Agency|NGA)
JUL
— July
JAN
— January
PDC
— Pre-Departure Clearance
MMEL
— Master Minimum Equipment List
ATIS-B
— Automatic Terminal Information Service - Broadcast
BBB
— Before Breaking Bulk
AAIB
— Air Accidents Investigation Branch
ACH
— Air traffic control Flight Plan Change
FEW
— Few
ELBA
— Emergency Locator Beacon Aircraft
EEI
— Essential Elements of Information
FEB
— February
MLDT
— Mean Logistic Down Time
CWY
— Clearway
SATCAS
— Selenia Air Traffic Control Automated System
DIS
— Distance
AAA
— Amended meteorological message
CHTRS
— Charterers
ATC-HMI
— Air Traffic Control Human Machine Interface
PTUL
— Pilots Trade Union of Latvia
MOC
— Memorandum Of Cooperation
IU
— If Used
SNPA
— Subnetwork Point of Attachment
ADS
— automatic dependent surveillance
AJR
— System Operations Services, Air Traffic Organization
RTCA
— Radio Technical Commission for Aeronautics
COV
— Cover
HG
— Mercury (Latin Hydrargyrum)
AIRAC
— Aeronautical Information Regulation and Control
CPE
— Customer Premise Equipment
OTV
— Orbital Transfer Vehicle
OPT
— Optimum
NMC
— National Meteorological Center (US)
GA
— General Average
RSLS
— Receiver Side Lobe Suppression
DITCO
— Defense Information Technology Contracting Office (formerly DECCO)
WFTU
— World Federation of Trade Unions
APRT
— Airport
PMS
— Program Management System
AMSSP
— Aeronautical Mobile Satellite Service Panel
SAT
— Static Air Temperature
IMPACT
— Information Market Policy Actions
LAAS
— Local Area Augmentation System
ECMT
— European Conference of Ministers of Transport
JUN
— June
ARINC 609
— Design Guidance For Aircraft Electrical Power Systems
AFDS
— Autopilot Flight Director System
OBO
— Ore/Bulk/Oil vessel
TDWR
— Terminal Doppler Weather Radar
NDI
— Nondestructive Inspection
DETR
— Department of the Environment, Transport and the Regions
LON
— Longitude
FCC
— Flight Control Computer
METAR
— Meteorological Terminal Aviation Routine Weather Report
VASI
— Visual Approach Slope Indicator
SATSAR
— Satellite-aided Search And Rescue
CD-ROM
— Compact Disk - Read Only Memory
DGAC
— Direction Générale de l’Aviation Civile
CAEM
— Commission for Aeronautical Meteorology (WMO)
AMVER
— Automated Mutual-Assistance Vessel Rescue system
SSTS
— Space Surveillance and Tracking System
PHINOM
— Nominal Bank Angle
ECG
— En Route Communications Gateway
AVI
— Audio/Video Interleaved Format
UAB
— Until Advised By
AWOS
— Automated Weather Observing System
COTP
— Connection-Oriented Transport Protocol
FILO
— Free In/Liner Out
NSAP
— Network Service Access Point
IMPR
— Improve
AAIB
— Air Accident Investigation Branch
IA
— Inspection Authorization
ACCID
— Notification of an aircraft accident
AST
— FAA Office of Commercial Space Transportation
DRFT
— Drift
PELA
— Proficiency test in English Language for ATCOs
FIO
— Free In/Out
SSAP
— Source Service Access Point
ACAMS
— Aircraft Condition Analysis and Management System
LCTD
— Located
ARINC 404A
— Air Transport Equipment Cases And Racking
AP
— Autopilot
LRCO
— Limited Remote Communications Outlet
DNSTRM
— Downstream
VCMAX
— Active Maximum Control Speed
ISLS
— Interrogation Side Lobe Suppression
EXTD
— Extend
TODAH
— Take Off distance available, helicopter
PDR
— Preferential Departure Route
RNAV
— Random Navigation Area Navigation
FCA
— Free Carrier Alongside
ARR
— Arrive
ASPH
— Asphalt
SSR
— secondary surveillance radar (ICAO/FAA)
TMC
— Thrust Management Computer
MDD
— Meteorological Data Distribution
SARSAT
— Search and Rescue Satellite
OCC
— Operations control center
FIXM
— Flight Information Exchange Model
ACL
— Altimeter Check Location
LTP
— Landing Threshold Point
ARINC 608
— Standard Modular Avionics Repair And Test System
DOC
— Document
RD
— Requirements Document
OP
— Operational
SM
— Statute Mile
4D
— Four-Dimensional
RUC
— Rapid Update Cycle
CASA
— Civil Aviation Safety Authority
SASKI
— Name of an ATS Route reporting point
ECS
— Environmental Control System (Subsystem)
SES
— Single European Sky
ABAS
— Aircraft-based Augmentation System
MAR
— March
NAT NAM
— North Atlantic / North America
PVD
— Plan View Display
TRU
— True
ALT HOLD
— Altitude Hold Mode
FRZN
— Frozen
ALPAP
— Air Line Pilots Association of the Philippines
EGPWS
— Enhanced Ground-Proximity Warning System
DEL
— Delete
EV
— every
AO
— Aircraft Operator
ARINC 605
— Users Guide For ARINC 616 Avionics Subset Of ATLAS Language
CNL
— Cancel
ADIC
— ATS Interfacility Data Communications
ACDO
— Air Carrier District Office
DMU
— Data Management Unit
RDPS
— Radar Data Processing System
SGI
— Silicon Graphics Incorporated
CRAM
— Conditional Route Availability Message
CNDN
— Canadian
ARPA
— Advanced Research Project Agency's
FTS
— Federal Telecommunications System
ADVY
— Advisory
ARINC 746
— Cabin Communications System, Supplement
RAPPI
— Radar Access Plan Position
ACF
— Area Control Facility
FRQ
— Frequent
MTI
— Moving Target Indicator
ASN
— Advance Shipment Notice
TGT
— Target
LDG
— Landing (aviation)
TWIP
— Terminal Weather Information for Pilots
ANCA
— Airport Noise and Capacity Act
PABX
— Private Automated Branch EXchange (company Phone System)
ARINC 413A
— Guidance For Aircraft Power Utilisation And Transient Protection
PRORES
— Problem Resolution
ACAS
— Airborne Collision Avoidance System
TBS
— To Be Supplied(by government)
AAP
— Advanced Automation Program
AODR
— Authorizing Official Designated Representative
WGS 84
— World Geodetic System 1984
PAWES
— performance assessment and workload evaluation
I
— Italy
ADT
— Air Data Tester
API
— FAA Office of International Aviation
DEM
— Digital Elevation Model
ARMATS
— State Closed Joint-Stock Company of Armenian Air Traffic Services
SMR
— Surface Movement Radar
RMK
— Remark
DESP
— Despatch
LB
— Local Battery
A01
— Automated Observation Without Precipitation Discriminator
IRM
— information resource management
AFIS
— Airport Flight Information Service
A/S
— Alongside
EFAS
— En Route Flight Advisory Service
CDA
— Continuous Descent Approach
ASCP
— Aviation System Capacity Plan
ARINC 415
— Operation/Technical Guidelines On Failure Warning and Functional Test
SSR MODE S WG
— Secondary Surveillance Radar Mode Selective WG
ADS-B
— Automatic Dependent Surveillance-Broadcast
PASTUS
— Past Us
ASCII
— American Standard Code for Interface and Interchange
LHR
— London Heathrow Airport, London, United Kingdom
STANINE
— Standard Nine Score
QDM
— Magnetic Heading
FREQ
— Frequency
NADA
— NADIN Concentrator
OAT
— Outside Air Temperature
ADZ
— Advise
AOR-E
— Atlantic Ocean Region East
CEC
— Commission of the European Communities ;
VNAV
— Vertical Navigation
ADSP
— Automatic Dependent Surveillance Panel
FRG
— Federal Republic of Germany's
WHO
— World Health Organisation
QP
— Quality Plan
PROM
— Programmable Read Only Memory (chip)
AIRS
— Advanced Infrared Sounder
ACAA
— Air Carrier Association of America
SUP
— Supervisor
SSALS
— Simplified Short Approach Lighting Systerm
DA
— Descent Advisor
ARINC 757
— Cockpit Voice Recorder
CRN
— Crane
OPX
— Off-Premises Exchange
YOYO
— Only Y Available
PIC
— Pilot In Command
DMN
— Data Multiplexing Network
ADLY
— Arrival Delay
ADREP
— Aircraft Accident/Incident Data Reporting System
DL
— Downlink Message
AMSS
— Aeronautical Mobile Satellite Service
MMR
— Multi-Mode Receiver
AOC
— Aerodrome Obstacle Chart
EMAS
— Engineered Materials Arresting System
AIR
— Aircraft Certification Service
ASLAR
— Aircraft Surge Launch And Recovery
QTG
— Qualification Test Guide
JURG
— Joint Users Requirements Group
TOD
— Top of Descent
MUD
— Mud Log
HDWTS
— Half Despatch Working Time Saved
PREV
— Previous
GNSS
— Global Navigation Satellite System
RTO
— Rejected Take-Off
AFL
— Actual Flight Level
FHA
— Functional Hazard Analysis
MAUW
— Maximum All Up Weight
APM
— approach path monitor
BSS
— Basis
BTN
— Between
AFSFO
— AFS Field Office
ATCT
— Airport Traffic Control Tower
C-ATSU
— Controlling ATS Unit
FDP
— Flight Data Processing
JD TF
— Job Description Task Force
NMB
— National Mediation Board
SUMI
— Software Usability Measurement Inventory
CFIT
— Controlled Flight into Terrain
ECA
— European Cockpit Association
AMASS
— Airport Movement Area Safety System
ATIS
— Automatic Terminal Information Service
PRN
— Pseudo-Random Noise
CDV
— Compressed Digital Video
FSP
— Flight Strip Printer
NSSFC
— National Severe Storms Forecast Center
CRAF
— Civil Reserve Air Fleet
ASDA
— Accelerate-Stop Distance Available
SGL
— Signal
RBP
— Radar Bypass Processor
CEW
— Civil Engineering Works
TN
— True North
AUTONAV
— Auto-Navigation
IMAL
— Integrity Monitoring Alarm Limit
AMS
— Acquisition Management System
QF
— Quality Factor
BRF
— Brief
C&A
— Certification and Accreditation
LNAV
— Lateral Navigation
AWOP
— All Weather Operations Panel (ICAO)
AFIZ
— Aerodrome Flight information Zone
AECB
— Atomic Energy Control Board
ORCAM
— Originating Region Code Assignment Method
ATAF
— Allied Tactical Air Force (NATO)
DTS
— Dedicated Transmission Service
DVD
— Dual View Display
REIL
— Runway End Identification Light
FIT
— Free In Trimmed
SAS
— Scandinavian Airlines System
DGELG
— Dangerous Goods European Advisory Group
CRT
— Choice Reaction Time
WMO
— World Meteorological Organisation
EFB
— Electronic Flight Bag
UTC
— Universal Time Coordinate
ACSA
— Allied Communications Security Agency
ITWS
— Integrated Terminal Weather System
COE
— Center of Excellence
EB
— Eastbound
ATCO
— Air Traffic Controllers Organization
ARINC 600
— Air Transport Avionics Equipment Interfaces
DAPS
— Days all Purposes
DR
— Drifting (METAR descriptor)
ARINC 528
— Airborne Tape Recorder
ASR-WSP
— Airport Surveillance Radar-Weather System Processor
KCAS
— Knots Calibrated Airspeed
ATTIS
— AT&T Information Systems
ADA
— Air Defense Area
BYD
— Beyond
RDVS
— Rapid Deployment Voice Switch
4D-NAV
— 4D Navigation
IDENT
— Identification
ECPIC
— Electronic Capital Planning Investment Control
AM
— AeroMexico
ADZD
— Advised
FWAD
— Fresh Water Arrival Draft
IA
— International Alphabet
ALTM
— Altimeter
ICAO
— International Civil Aviation Organisation
AAME
— Association of Aviation Medical Examiners
ARINC 602
— Test Equipment Guidance
LC
— Local Control
PT
— Product Team
KT
— Knots
AATF
— Airworthiness Assurance Task Force
GNDCK
— Ground Check
RMI
— Radio Magnetic Indicator
CACRC
— Commercial Aircraft Composite Repair Committee
FDPS
— Flight Data Processing System
ASE
— Altimetry System Error
WAAS
— Wide Area Augmentation System
NOPT
— No Procedure Turn Required
NAWAU
— National Aviation Weather Advisory Unit
FACC
— Feature and Attribute Coding Catalogue
OO
— Owners Option
AOCC
— Atlantic Operations Control Center
COP
— Custom of Port
SVCBL
— Serviceable
VCSS
— Voice Communications Switching System
TSNT
— Transient
EIRP
— EffectiveIsotropic Radiated Power
VSP
— Vertical Speed
RSR
— en-Route Surveillance Radar
DPNG
— Deepening
IVSI
— Instantaneous Vertical Speed Indicator
SMT
— station management (protocol)
AAOSA
— Always Afloat or Safe Aground
DF
— Direction Finder (Finding)
HO
— Hold Over
RPP
— Radiation Protection Program
TLS
— Target Level of Safety
ARAC
— Aviation Rulemaking Advisory Committee (FAA)
CASOR
— Civil Area Services Operations Room
AOA
— Airport Operations Area
NAVSAT
— Navigation Satellite
AFMS
— Automatic Flight Management System
CSIS
— Centralized Storm Information System
QBI
— Compulsory IFR flight
AIFSS
— Automated International Flight Service Station
OMI
— Organisation Maritime Internationale (French: International Maritime Organization; UN)
ADES
— Aerodrome of Destination
V&V
— Validation & Verification
FIDS
— Flight Information Display System
MEA
— Minimum Enroute Altitude
ATCRB
— Air Traffic Control Radar Beacon
PBD
— Place Bearing/Distance
ATSS
— Airway Transportation Systems Specialist
ACCC
— Australian Competition Consumer Commission
EHSI
— Electronic Horizontal Situation Indicator
ARFF
— Aircraft Rescue and Fire Fighting
BN
— Booking Note
BRA
— Bearing, Range and Altitude
CASS
— Continuing Analysis and Surveillance System
ACLT
— Actual Landing Time Calculated
BASE
— Cloud base
TBC
— The Boeing Company
FEU
— Forty-Foot Equivalent Unit
FSCAP
— Flight Safety Critical Aircraft Parts
ABOARD
— On or within the ship
FIOT
— Free In/Out and Trimmed
BSS
— Best Signal Selection
LMM
— Compass locator at the middle marker
NRH
— No Reply Heard
LO
— Low
AOC
— Aircraft Operations Centre
GEADGE
— German Air Defense Ground Environment
ABDIS
— Automated Data Interchange System Service
DBRITE
— Digital Bright Radar Indicator Tower Equipment
ESDI
— Enhanced Small-Device Interface
M/V
— Merchant Vessel
CAAC
— Civil Aviation Administration of China
A/I
— Accident/Incident
CNTRLN
— Centerline
COT
— At the Coast
ELD
— Electrical Load Database
BRM
— Barometer
ADS-R
— Automatic Dependent Surveillance-Report
VTOL
— Vertical Take-Off & Landing
ASA
— Airservices Australia
CFP
— Cold Front Passage
RCH
— Reach
AEV
— Annual Equivalent Value
F&E
— Facilities and Equipment
SSR MODE S
— Selective Address SSR
TO EPR
— Takeoff Engine Pressure Ratio
ACC-PC
— ACC Planning Controller
AACC
— Airport Associations Co-ordinating Council
CRZ
— Cruise
LOM
— Compass Locator at the Outer Marker
DAR
— Designated Agency Representative
DPTH
— Depth
D
— Derated
TBN
— To Be Notified
IUHTAUTC
— If Used, Half Time Actually To Count
CNVTV
— Convective
C-ATSU
— Current Air Traffic Services Unit
ETVCT
— En Route Training Voice Communication Tool
EFIS
— Electronic Flight Instrument System
FPO
— Flight Procedures Office
ODIF
— Open Document Interchange Format
PALPA
— Pakistan Air Line Pilots' Association
GLOSS
— Global Sea Level Observing System (of IOC)
ATSU
— Air Traffic Services Unit
WMSCR
— Weather Message Switching Center Replacement
MNOP
— Maximum Normal Operating Pressure
GEO
— Geographic
ESEWD
— East-Southeastward
FOD
— Foreign Object Debris
LVL CHG
— Level Change
ASPW
— Any Safe Port in the World
AEP
— FAA Office of Aviation Policy Planning and Environment
NP
— Propeller speed
AARA
— Amsterdam-Antwerp-Rotterdam Area
PRM
— Precision Runway Monitor
GLD
— Glider
ALPA
— Japan Air Line Pilots Association of Japan
ADLP
— Aircraft Data Link Processor
HST
— Hypersonic Transport
AT&T ASDC
— At&t Agency Service Delivery Center
COMCO
— Command Communications Outlet
SEA/TAC
— Seattle/Tacoma International Airport
MTOW
— Maximum Take-off Weight
IFE
— In-Flight Emergency
HP
— Holding Pattern
DF
— Direction Finding or Finder
ALF
— Aloft
AOV
— Air Traffic Safety Oversight Service
BCC
— Battery Charge Controller
ARINC 576
— Mark 4 Subsonic Air Data System
CUST
— Customs
8.33 CP
— 8.33 Contact Person
FDE-ICD
— Flight Data Entry - Interface Control Document
AIC
— Aeronautical Information Circular
BAA
— British Airport Authority
SOPA
— Standard Operating Procedure Amplified
LORAN
— Long Range Navigational System
ANP
— Air Navigation Plan
NSW
— No Significant Weather
AAPA
— Association of Asia Pacific Airlines
TCP / IP
— Transmission Control Protocol / Internet Protocol
ARF
— Airport Reservation Function
GENOT
— General Notice
NP
— Network Protocol
RA
— Resolution Advisory
CWS
— Control Wheel Steering
EGT
— Exhaust Gas Temperature
NTN
— Network Terminal Number
BANS
— BRITE Alphanumeric System
IFRB
— International Frequency Registration Board of the International Telecommunication Union
TVE
— Total Vertical Error
AVHRR
— Advanced Very High-Resolution Radiometer
VRB
— Variable
ARINC 742
— Design Guidance For Windshear Warning and Guidance Equipment
FG
— Fog Gun
LS
— Lumpsum Freight
ERAM
— En Route Automation Modernization
FPS
— Flight Progress Strip
DNSLP
— Downslope
MOTNE
— Meteorological Operational Telecommunication Network in Europe
ABOVE DECK
— On the deck
CSMC
— Cyber Security Management Center
MCK
— Maintenance Check
APPA
— Asociacion Profesional de Pilotos Aviadores de Costa Rica
IRD
— Initial Requirements Document
DESC
— Descending
DEGS
— Degrees
SVVP
— Software Verification and Validation Plan
FAL
— Final Assembly Line
VPATH
— Vertical Path
ASC
— AUTODIN Switching Center
DMSH
— Diminish
ATDS
— Airborne Tactical Data Systems (USN)
WBC
— Weight and Balance Computer
VNO
— Maximum structural cruising speed
AJW
— Technical Operation Services, Air Traffic Organization
FCL
— Flight Crew Licensing
COB
— Closing of Business
SITA
— Société Internationale Télécommunique Aéronautique
IAT
— Investment Analysis Team
ETG
— Enhanced Target Generator
LOE
— Line Oriented Evaluation
DME/P
— Precision Distance Measuring Equipment
ASP
— Arrival Sequencing Program
CPF
— Central Processing Facility
RAES
— Royal Aeronautical Society
HI FI SIM
— High-Fidelity Simulator
FE
— Flight Examiner
BT
— berth terms
XPNDR
— Transponder
ACRP
— Airport Cooperative Research Program
ARINC 414
— General Guidance For Equipment And Installation Engineers
CAVOK
— Clouds and Visibility OK
VCMIN
— Active Minimum Control Speed
PATCG
— PHARE Advanced Tools Co-ordination Group
A/A
— Air/Air
OWS
— Owners
APA(CV)
— Air Line Pilots Association (Cape Verde)
FHEX
— Fridays/Holidays Excluded
NBCAP
— National Beacon Code Allocation Plan
NORAC
— No Radio Contact
MHA
— Minimum Holding Altitude
FPB
— Flight Progress Board
UHF
— Ultrahigh Frequency
MALPA
— Mauritius Air Line Pilots Association
ADSEL
— Address Selective SSR System
AASR
— Aging Aircraft Safety Rule
PHPD
— Per Hatch Per Day
CG
— centre of gravity
APGSL
— Air Line Pilots Guild of Sri Lanka
AMOS
— Automated Meteorological Observation Station
PROC
— Procedure
PJMM
— Project Management Methodology
XNG
— Crossing
INIT
— Initial
3D
— Palair Macedonian
AIG
— Airbus Industries Group
ERIP
— EAD Remote Interface Package
ACEP
— Airport Capacity Enhancement Plan
QFU
— Magnetic orientation or runway in use
BS
— Bootstrap Service
OSA
— Operational Safety Assessment
GPWS
— Ground Proximity Warning System
ESRI
— Environmental Systems Research Institute (developer of geographic information systems (GIS) software, Redlands, California)
SDIS
— Switched Digital Integrated Service
FIX
— position in space usually on aircrafts flight plan
CPA
— Chairman's program assessment; closest point of approach
ADDA
— Administrative Data
DYSIM
— Dynamic Simulator
NL
— Engine Revolutions per Minute
CENRAP
— Center Radar ARTS Presentation
FPLMTS
— Future Public Land Mobile Telecommunications System
MMI
— Marshall Management Instruction
DATAC
— Digital Autonomous Terminal Access Communication
JTIDS
— Joint Tactical Information Distribution System (djay-tidz)
IUAI
— International Union of Aviation Insurers
ALRS
— Alerting Service
EFC
— Expected Further Clearance
VRS
— Voice Response System
HX
— No Specific working hours
ALPA-FYROM
— Air Line Pilots Association of The Former Yugoslav Republic of Macedonia
FBO
— fixed base operator
CAIRS
— Cable Assignment Information Retrieval System
ADM
— Aeronautical Decision Making
MORS
— Mandatory Occurrence Reporting Scheme
BRL
— Building Restriction Line
AFI
— Africa-Indian Ocean Region
FPAP
— Flight Path Alignment Point
DSPY
— Display
ADIS
— Automatic dependent surveillance and Data Link Interim System
AIT
— Automated Information Transfer
ASQP
— Airline Service Quality Performance
PSS
— Packet Switched Service
LAYCAN
— Layday Cancelling Date
ARINC 585
— Electronic Chronometer System
CRT
— Cargo Retention Clauses
CYTA
— Cyprus Telecommunications Authority
JAR-OPS
— Joint Airworthiness Requirements Operations
ODAL
— Omnidirectional Approach Lighting System
OTR
— Oceanic Transition Route
ATOS
— Air Transportation Oversight System
AFFREIGHTMENT
— The hiring of a ship in whole or part
CUF
— Cumuliform
FLM
— Front Line Manager
GMU
— GPS (Height) Monitoring Unit
ATCI
— Airport ATC and Information systems
SA
— System Administrator
GFP
— Government Furnished Property
ARINC 577
— Audible Warning System
AATT
— Advanced Aviation Transportation Technology
EAD
— Earliest Arrival Date
EU-FCL
— EASA Flight Crew Licensing
CTAF
— Common Traffic Advisory Frequency
WSO
— Weather Service Office
AIMS
— Aircraft Integrated Monitoring System
MAT
— Maintenance Access Terminal
FMF
— Facility Master File
A/N
— Arrival Notice
EFSTS
— Electronic Flight Strip Transfer System
B/C
— Benefit/Cost
CIT
— Compressor Inlet Temperature
NGA
— National Geospatial-Intelligence Agency (formerly National Imagery and Mapping Agency; US government)
NEXRAD
— Next Generation Weather Radar
DRK
— Derrick
RTS
— Return To Service
EEC
— Electronic Engine Control
TWY
— Taxiway
WRNG
— Warning
FLIDRAS
— Flight Data Replay and Analysis System
AAD
— Assigned Altitude Deviation
ATCO
— Air Traffic Control Officer
GNCN
— GENERAL CONDITIONS
DCS
— Double Channel Simplex
INBD
— Inbound
OVC
— Overcast (METAR Code)
A/H
— Altitude/Height
FPA
— Flight Path Angle
MAA
— maximum authorized IFR altitude
CWBS
— Contract Work Breakdown Structure
PIREP
— Pilot Report
DOM
— Domestic
ARINC 594
— Ground Proximity Warning System
ACM
— Acceptable Means of Compliance
NR.
— Number
APMS
— Automated Performance Measurement System
AFIS
— Aerodrome Flight Information Service
AOPG
— Aerodrome Operations Planning Group
VCY
— Vicinity
DDP
— Distributed Data Processing
CLKWS
— Clockwise
AALPBH
— Association of Airline Pilots in Bosnia & Herzegovina
AORTF
— ATM Added Functionality Operational Requirements Task Force
SDP
— Service Delivery Point
A/T
— autothrottle
ATOMS
— Air Traffic Operations Management System
RP
— Restoration Priority
MALS
— Medium-Intensity Approach Lighting System
MTF
— Modulation transfer function.
AAH
— Autonomous Aircraft Hybrid
AVSI
— Aerospace Vehicle Systems Institute
EIU
— Even If Used
TLOF
— Touchdown and Lift-off Area
CPCS
— Consolidated Production Control System
APC
— Aeronautical Passenger Communication
A
— Aeroplane
OFZ
— Obstacle Free Zone
LCGS
— Low Cost Ground Surveillance Radar
ATA
— Airport Traffic Area
AVGAS
— Aviation Gasoline
BORG
— Basic Operational Requirements Group
AEX
— Automated Execution
ATFMS
— Air Traffic Flow Management System
OPLAN
— Operational Plan
ASPM
— Aviation System Performance Metrics
HHMM
— Hours and minutes
MTW
— Mountain Waves
ARPL
— ADEXP Format Repetitive Flight Plans Message
CAMI
— Civil Aerospace Medical Institute
FOR
— Free On Rail
AACI
— Airports Association Council International
ARINC 750
— VHF Data Radio
MAPT
— Missed Approach Point
TARE
— Telegraphic Automatic Relay Equipment
CTSKLS
— Catskills
ALO
— Air Force Liaison Officer
AFTN
— Automated Fixed Telecommunications Network
BI
— Both inclusive
FAC
— Fast as can
IOSA
— Iata Operational Safety Audit
ESCAT
— Emergency Security Control of Air Traffic
AV
— Avianca (Aerovias del Continente Americano) Colombian Airline
FDESP
— Free Despatch
WND
— Wind
APATSI
— Airport / Air Traffic Systems Interface
FMGS
— Flight Management Guidance System
ADIZ
— Air Defence Identification Zone
HDG SEL
— Heading Select
LMM
— Locator middle marker
ATLAS
— Air Traffic Land and Air Study
CIE
— International Commission on Illumination
FPFS
— First Planned First Served
FSF
— Flight Safety Foundation
CTA/FIR
— Control Area/Flight Information Region
HURCN
— Hurricane
HELIOPS
— Helicopter Operations Panel
CBFT
— Cubic Feet
SATCOM
— Satellite Communication
ONC
— Operational Navigation Chart
LYR
— Layer
NLA
— New Large Aircraft
AJT
— Terminal Service, Air Traffic Organization
ATK
— Air Traffic Controller Acknowledgement
EARS
— En Route Analysis and Reporting System
BASE AMD
— Base Arrival Manager Display
IFPS
— Integrated Initial Flight Plan Processing System
DRDF
— Digital Readout Direction Finder
HEL
— Helicopter
TDO
— Tornado
NCB
— National Cargo Bureau
FAX
— Facsimile Equipment
NCN
— Non-compliance Notification
ASI
— Aviation Safety Inspector
AFO
— Airport Field Office
CDR
— Coded Departure Routes
AERA
— Automated En Route Air
FSYS
— Flight Service Station Equipment Systems
CWAR
— Continuous Wave Acquisition Radar
IW
— Inside Wiring
B&H
— Bosnia & Herzegovina
FIN
— Finnair Oyj, Finland
ESERN
— East-Southeastern
AND
— Associate Administrator for NAS Development
HF
— Human Factors
AJC
— Communications Services, Air Traffic Organization
BM
— Beam, Maximum
DRCP
— Data Reduction Computer Program
DABS
— Discrete Address Beacon System
ARP
— Aerospace Recommended Practice
FPA
— Focal Plane Array
TODA
— Take-Off Distance Available
AMSS
— Aeronautical Mobile Satellite System
ATN
— Aeronautical Telecommunications Network
IFSS
— International Flight Service Station
FAF
— Final Approach Fixes
RSAP
— Runway Safety Action Plan
EXP
— Expect
ISASI
— International Society of Air Safety Investigators
BUNKERS
— Name given for vessels Fuel and Diesel Oil supplies
GSB
— Good Safe Berth
AWO
— All Weather Operations
RBDPE
— Radar Beacon Data Processing Equipment
DFS
— Detailed Functional Specification
AAC
— Airline Administrative Communication
AFTIL
— Airway Facilities Tower Integration Laboratory
RD-CHANNEL
— Random Data Channel
ACS
— airspace control system
LCG
— Load Classification Group
P
— Procedure-Required Tuned NAVAID
OAG
— Official Airline Guide
OAMP
— Off-line Aircraft Management Program
AGROUND
— Touching or fast to the bottom
COCESNA
— Central American Corporation for Air Navigation Services
FISO
— Flight Information Service Officer
PROB
— probability
OBST
— Obstacle
ALPA-K
— Air Line Pilots Association of Korea
TOGA
— Takeoff/Go-Around
ASTA
— Airport Surface Traffic Automation
OIG
— Office of the Inspector General
APN
— apron
LCL
— Less Container Loaded
VOM
— Volt-ohm-milliammeter
APDSG
— Airspace Planning & Development Sub-Group
ARINC 748
— Communications Management Unit
DUATS
— Direct User Access Terminal System
DOF
— Date of Flight
POCC
— Pacific Operations Control Center
AFN
— air traffic services facilities notification
LOF
— Lloyds Open Form
ALPA-SA
— Air Line Pilots Association - South Africa
ARINC 751
— Gate-Aircraft Terminal Environment Link - Aircraft Side
WINDR
— Wind Direction
IAS
— Indicated Air Speed
BTL
— Between layers
ALLA
— Allied Long-Lines Agency
BTH (R)
— Beyond the Horizon (Radar)
AFT
— At or towards the stern or rear of a ship
ATILO
— Administrative Tribunal of the International Labour Organisation
MOGAS
— Motor Gasoline
SLOP
— Strategic Lateral Offset Procedure
PFR
— Probability of Failure Repair
EEC
— Eurocontrol Experimental Centre
FLAS
— Flight Level Allocation System
AP
— Airport Plaza
ACL
— Air Traffic Control Clearance
AEE
— FAA Office of Environment and Energy
AMIS
— Aircraft Management Information System
IGFET
— Insulated Gate Field Effect Transistor
ARINC 741P1
— Aviation Satellite Communication System:Part I- Aircraft Installation Provisions
AFAS
— Aircraft in the Future ATM System
OGE
— Operational Ground Equipment
WSW
— West-South-West
C/A CODE
— Course / Acquisition Code
PT
— Total Pressure
FZL
— Freezing Level
CMIS
— Common Management Information System
AICS
— Aircraft Inventory and Charter System
SAS
— Scandinavian Airline Systems
CNS/ATM
— Communication, Navigation and Surveillance / Air Traffic Management
MRVA
— Minimum Radar Vector Altitude
MDA/H
— Minimum Descent Altitude/Height
MEB
— Main Earthing Bar
AAATS
— Australian Advanced Air Traffic Services
PTH
— Path
KLM
— KLM Royal Dutch Airlines
CNS/ATM-1
— Communication, Navigation and Surveillance / Air Traffic Management Package 1
RCDSS
— Radar Control and Display Subsystem
CASTLE
— Consolidated Automated System for Time and Labor Entry
BRITE
— Bright Radar Indicator Tower Equipment
ASECNA
— Agence pour la Securité de la Navigation en Afrique et à Madagascar
E M
— signalling
MET
— Meteorological
CWP
— Controller Working Position
COBALT
— Common Objective Alignment Team
DDA
— Dedicated Digital Access
ADL
— Aeronautical Data-Link
NAVAID
— Navigational Aid
AUX
— Auxilliary
LVB
— Luchtverkeersbeveiliging
FSF IAS
— Flight Safety Foundation International Aviation Safety
BROKERAGE
— Percentage of freight payable to broker
CIDIN
— Common ICAO Data Interchange Network
FWDD
— Fresh Water Departure Draft
GEOREF
— Geographical reference
GADO
— General Aviation District Office
RX
— Receiver
JAI
— Joint Acceptance Inspection
CALS
— Computer-aided Acquisition and Logistic Support
AP
— Airport Protection
EL
— Electro-Luminescent
FDC
— Flight Data Company
CAMA
— Civil Aviation Medical Association
IM
— Inner Marker
A/L
— Anti-ice
SWAP
— Severe Weather Avoidance Program
AFAST
— Active Final Approach Spacing Tool
SS
— Sunset
CLG
— Calling Line
CZM
— Conventional Zero Meridian
MOD
— Memorandum of Decision
SO
— Southern Airways
ASAS
— Aviation Safety Analysis System
ASIAS
— Aviation Safety Information Analysis and Sharing
SHAPE
— Supreme Headquarters Allied Powers Europe (NATO)
AJA
— Acquisition & Business Services, Air Traffic Organization
DG
— Directional Gyroscope
PPR
— Prior Permission Required
AIREP
— Plain language form of Air Report
SIR
— Screening Information Request
FPCP
— Flight Path Control Point
NYPE
— New York Produce Exchange
FME
— Force Majeure Excepted
AAC
— Mike Monroney Aeronautical Center
MTCD
— Medium Term Conflict Detection
ARINC 307
— Aircraft Integrated Data System Wire Bundle Provisions
ERSS
— Eurocontrol Radar Surveillance Standard
PPL
— Private Pilot License
ADTN
— Administrative Data Transmission Network
DFGS/C
— Digital Flight Guidance System/Computer
AIG
— Accident Investigation & Prevention
AJS
— Safety Services, Air Traffic Organization
AFM
— Aeroplane Flight Manual
TIS-B
— Traffic Information Service Broadcast
AEGIS
— Airborne Early Warning Ground Environment Integrated Segment
ARINC 752
— TFTS Airborne Radio Sub-System
AOC
— Aircraft Operating Company
SPAS
— Safety Performance Analysis System
ALD
— Airlift Division
AEREA
— Association of European Research Establishments in Aeronautics
IANS
— Institute of Air Navigation Services
BAPA
— Bangladesh Airline Pilots Association
SHEL
— Software, Hardware, Environment, Liveware
AFIS
— Automated Flight Inspection System
SHL
— Saville and Holdsworth Ltd
IFPZ
— Integrated Initial Flight Plan Processing System Zone
ATM
— Air Transportation Management
MCC
— Maintenance Control Center
TCAS
— Traffic Alert and Collision Avoidance System
COBLDN
— Closing of Business London
NADIN
— National Airspace Data Interchange Network
MIRACULIX
— Multi Interface Radarformat Calculator and
SSFDR
— Solid-State Flight Data Recorder
EATCHIP
— European Air Traffic Control Harmonisation and Integration Programme
XM
— External Master
DABBS
— DITCO Automated Bulletin Board System
AO
— Airlines Operator
OLDI
— On-Line Data Interchange
ACFS
— Advanced Concepts Flight Simulator
DADC
— Digital Air Data Computer
A/G
— Air/Ground
CAST
— Certification Authority Software Team
IANC
— International Airline Navigators Council
RTSE
— Reliable Transfer Service Element
BASOP
— Military Base Operations
TT
— Total Temperature
EVAS
— Enhanced Vortex Advisory System
P&H
— Press and Hold
CEATS
— Central European Air Traffic Services
QCM
— Quality Control Manager
ANMS
— Automated Network Monitoring System
CAEG
— Computer-aided Engineering Graphics
CARATS
— Collaborative Actions for Renovation of Air Traffic Systems
MODE C
— Altitude Reporting Mode of Secondary Radar
NPA
— Non Precision Approaches
CP
— charter-party
ADVO
— Administrative Voice
CAI
— Contractor-Acceptance Inspection
DMR
— Data Modification Request
PFL
— Planned Flight Level
AIS-TF
— AIS Training Task Force
DASI
— Digital Altimeter Setting Indicator
OFT
— Outer Fix Time
ACC-TC
— ACC Tactical Controller
RCLL
— Runway Centre Line Lights
DTU
— Data Terminating Unit
HFX
— Holding Fix
GNLU
— GNSS Navigation and Landing Unit
ADAP
— Airport Development Aid Program
F18
— Field 18 of Flight Plan
CMPL
— complete
AFD
— Airport Facility Directory
ALA
— Alighting Area
AASA
— Air Lines Association of Southern Africa
ABET
— Airspace Behavioural Engineering Technology
GDLP
— Ground Data Link Processor
LCN
— Local Communications Network
OMT
— Onboard Maintenance Terminal
AVPAC
— aviation VHF packet communications
AI
— Application Interface
CDFA
— Constant Descent Final Approach
EFC
— Expect Further Clearance
ALPA-A
— Air Line Pilots Association of Armenia
ATAS
— Airspace and Traffic Advisory Service
ISSCA
— Information Systems Security Certification Agent
V1
— Take-Off Decision Speed
V/STOL
— Vertical or Short Take-Off and Landing
LDB
— Limited Data Block
ATCRU
— Air Traffic Control Radar Unit
FP
— Free Pratique
AOI
— Area of Operational Interest; TERPS Office (USAF)
GRD
— Geared
ALPA
— Airlines Pilots Association
AWAS
— Automated Weather Advisory Station
ROC
— Regional Operations Center (NATO)
ADMA
— Aviation Distributors and Manufactureres Association
ADS-P
— Automatic Dependent Surveillance-Panel
AOR-W
— Atlantic Ocean Region West
CPCS
— Cabin Pressure Control System
AVON
— AUTOVON Service
FHINC
— Fridays/Holidays Included
TAU
— Range / Range rate
EX GDR
— ex German Democratic Republic
CESAR
— Course Evaluation Sheets Analysis and Reporting
MDA
— McDonnell-Douglas Aerospace
A/G
— Air-Ground
CATCO
— Chief ATC Operations
ATCCC
— Air Traffic Control Command Center
ATMAS
— Air Traffic Management Automated System
RTA
— Required Time of Arrival
AWPG
— Aviation Weather Products Generator
ATFMU
— Air Traffic Flow Management Unit
LECT
— Lecture
VSO
— Stalling Speed in the Landing Configuration
SCAT-1 APPROACH
— Special Category 1 Approach
VBX
— Visual Basic Extensions
GICB
— Ground Initiated Comm B Protocol
AFMT
— Airway Facilities Management Team
ATTCS
— Automatic Takeoff Thrust Control Systems
DVOR
— Doppler Very High Frequency Omni Directional Range
VS
— Design Speed for Maximum Gust Intensity
ARINC 592
— Airborne Passenger Tape Record
CPC
— Certified Professional Controller
FRM
— Financial Resources Management Core Team
M.
— meter
ALPA-E
— Air Line Pilots Association of Ethiopia
ALR
— IFALPA's Airport Liaison Representative Program
AFM
— Affirmative Fair Housing Marketing
RID
— review item description
QTE
— True Bearing
ANM
— ATFM Notification Message
AUW
— All Up Weight
ATCA
— Air Traffic Controllers Association
WXR
— Weather Radar
EFPM
— Extended Flight Plan Message
SRTM
— Shuttle Radar Topography Mission
IR
— Ice on Runway
FGS/C
— Flight Guidance System/Computer
AIRMET
— Air Meteorological Information Report which may affect the safety of low-level aircraft operations
MODIS
— moderate-resolution imaging spectrometer (NASA/GSFC)
INSTRAT
— Institutional Strategy for Air Traffic Management
AGI
— FAA Office of Government and Industry Affairs
BSU
— Beam Steering Unit
NAV-1
— Radar Data System
MDH
— Minimum Descent Height
FPPS
— Federal Personnel Payroll System
DEV
— Deviation
AJO
— Chief Operating Officer, Air Traffic Organization
JAL
— Japan Air Lines
ABAFT
— Toward the rear of the ship
ACDAC
— Asociacion Colombiana de Aviadores Civiles
UAL
— United Airlines
RMMC
— Remote Maintenance Monitoring and Control
ADSIM
— Airfield Delay Simulation Model
STAC
— Second Time Around Clutter
PD
— Profile Descent
ARINC 406A
— Airborne Electronic Equipment
ASDE
— Area Surveillance Detection Equipment
FDMAS
— Flight Data Management Automated System
DISCH
— Discharge
ELNGT
— Elongate
ADS-C
— Automatic Data Surveillance Contract
FMA
— Flight Mode Annunciator
BIMCO
— The Baltic and International Maritime Council
MTRAQ
— Multi track quality
CUPS
— Consolidated Uniform Payroll System
ATCA
— Air Traffic Control Association, Inc.
IAR
— Intersection of Air Routes
GENOFIC
— General North Sea Flight Information Centre
ADTN2000
— Administrative Data Transmission Network 2000
FSD TF
— Functional Specification Development Task Force
CFL
— Cleared Flight Level
CAAFI
— Commercial Aviation Alternative Fuels Initiative
GRAF
— Ground Replay and Analysis Facility
LYCN
— Layday Cancelling Date
ACN
— Airspace Co-ordination Notification
ITI
— Interactive Terminal Interface
NTAP
— Notice to Airman Publication
LAHSO
— Land And Hold Short Operation
FIS-B
— Flight Information Services - Broadcast
IAF
— Initial Approach Fixes
ARO
— Air Traffic Service Reporting Office
NB
— NorthBound
ARTCC
— Air Route Traffic Control Centre
ISPS
— International Ships and Port Security system
ACOD
— Area Conflict Detection
NPDU
— Network Protocol Data Unit
RCLS
— Runway Centerline Lighting System
CLT
— Calculated Landing Time
ERIDS
— En Route Information Display System
POC
— Point-of-Contact
IABA
— International Association of Aircraft Brokers and Agents
NAILS
— National Airspace Integrated Logistics Support
ACDMD
— Air Collaborative Decision Making Demonstrator
MVA
— Minimum Vectoring Altitude
CBM
— Cubic Metres
EUROCONTROL
— European Organisation for the Safety of Air Navigation
INM
— Integrated Noise Model
SSW
— South-South-West
HTZ
— Helicopter Traffic Zone
AFSFU
— AFS Field Unit
MTAT
— Multiple Time Around Targets
ALPA-SL
— Air Line Pilots Association of Slovenia
RFL
— Requested Flight Level
ATCC
— Air Traffic Control Centre
XY
— Ryan Air
CNS
— Communication, Navigation and Surveillance Systems, Inc.
BTC
— Basic Training Course
FMS
— Flight management system
IFFN
— Identification Friend, Foe or Neutral
ANS/CR
— Air Navigation Services of the Czech Republic
BA
— Barometric Altitude
AFZ
— Resource Management
ETOPS
— Extended Range Twin-Engine Operations
PMA
— Parts Manufacturer Approval
ALRS
— Approach Lighting System
CANSO
— Civil Air Navigation Services Organisation
FPPS
— Flight Plan Processing System
SETA
— Systems Engineering and Technical Assistance
FRNG
— Firing
AFRAA
— African Airlines Association
FAST
— Final Approach Spacing Tool
FPPU
— Flight Planning and Flight Progress Updating
ARINC 7411P2
— Aviation Satellite Communication System: Part 2 - Satellite Design
ALCM
— Air Launched Cruise Missile
CPMIS
— Consolidated Personnel Management Information System
ARST
— Arresting specify aircraft arresting
GHMI
— Ground Human-Machine Interface
ACFO
— Aircraft Certification Field Office
AOCI
— Airport Operators Council International
ARINC 551
— Airborne Glide Slope Receiver - Mark 2
ATPL
— Air Transport Pilot Licence
APP
— Approach Control
FISA
— Automated flight Information Service
UAP
— User Application Profile
CSS
— Central Site System
DER
— Departure End of the Runway
ESCO
— Executive Support and Coordination Office
THDG
— True Heading
AWX
— All Weather Fighter
FIFO
— Flight Inspection Field Office(s)
CSI
— Criticality Safety Index
DAI
— Direct Access Intercom
NRZI
— Non Return to Zero Inverted magnetic tape bpi
ST&E
— Security Test and Evaluations
LDR
— Labor Distribution Reporting
VY
— Speed for best rate of climb
GO
— Gas Oil
ARN-2 (TABLE)
— Radio Navigation Aids Associated with the Basic ATS Route Network Terminal Area and Instrument Approach Procedures
FDSU
— Flight Data Storage Unit
DACS
— Digital Aeronautical Chart Supplement
AACC
— Airport Associations Co-coordinating Council
AEEC
— Airlines Electronic Engineering Committee (ARINC)
SARP
— Signal Automatic Radar Processing
ARINC 595
— Barometric Altitude Rate Computer
AIREP
— Air-Report
SRMDM
— Safety Risk Management Memo
FCU
— Flight Control Unit
ACI-NA
— Airports Council International-North America
AOPTF
— Aerodrome Operations Task Force
BA
— Budget Analyst
EARTS
— En Route Automated Radar Tracking System
GFM
— Government Furnished Materials
SEMP
— Software Engineering Management Plan
AAC
— Aeronautical Administration Communication
FDA
— Flight Data Analysis
ALOFT
— Above the deck of the ship
GDCA
— General Directorate for Civil Aviation
AHR
— FAA Office of Human Resources
ASPENN RPG
— Aeronautical Fixed Service Planning Study EUR/NAM/NAT Regional Planning Group
IAASM
— International Academy of Aviation and Space Medicine
AWPA
— Australian Women Pilots' Association
REACT
— Rain Echo Attenuation Compensation Technique
AOF
— Allocation of Functions
TEMPO
— Temporary
SVN
— Satellite Vehicle Number
AOC
— Airline Operational Control
HHMMSS
— hour-hour / minute-minute / second-second
ALPA-S
— Air Line Pilots Association - Singapore
RTQC
— Real Time Quality Control
AWSS
— Automated Weather Sensors System
CVTS
— Compressed Video Transmission Service
STANAG
— (NATO) Standardisation Agreement
DOD
— Department of Defence
AIPA
— Aeronautical Information Production Application
DET
— Detention
FLOWSIM
— Traffic Flow Planning Simulation
ADSP
— ADS Processor
EFDP
— European flight data processing(Eurocontrol)
CUR
— Controller
DITS
— Digital Information Transfer System
IACA
— International Air Carrier Association
ARSC
— Air Rescue Sub Centre
ABET
— Airspace Behavioral Engineering Technology
ALCC
— Airlift Central Co-ordination Centre
DO
— Diesel Oil
TDZ
— Touchdown Zone
ACG
— Advanced Concept Group
ADI
— Automatic De-Ice and Inhibitor
DFI
— Direction Finding Indicator
THR HOLD
— Throttle Hold
ARNG
— Arrange
WSFO
— Weather Service Forecast Office
CAAF
— Civil Aviation Authority of Fiji
CRMCS
— Central RADNET Monitoring and Control System
AGA
— Aerodromes, Air Routes and Ground Aids
ACTF
— Aeronautical Charting Task Force
IRCAS
— Intranet Radio Coverage Analysis System
ECAR
— European Civil Aviation Requirement
TMA
— Terminal Area
RPC
— Restoration Priority Code
OMEGA
— Very Low Radio Navigation System
ITU WARC-95
— International Telecommunication Union World Radio Conference
AUTOVON
— DoD Automatic Voice Network
CFDIU
— Central Fault Display Interface Unit
FEAST
— First European ATCO Selection Test Package
FMG
— Frequency Management Group
ACO
— Airspace Co-ordination Order
TWT
— Travelling Wave Tube
AOIS
— Aeronautical Operational Information System
ATCSCC
— Air Traffic Control Systems Command Center
FRH
— Fly Runway Heading
DPA
— Distinguishing Path Attribute
AIM
— Aeronautical Information Management
ACA
— Austrian Cockpit Association
EATCHIP OCD
— Operational Concept Document
FRA
— Flap Retraction Altitude
GMCC
— General National Airspace System Maintenance Control Center
MTOM
— Maximum Take-Off Mass
VDP
— Visual Descent Point
V/S
— Vertical speed
ANPAC
— Associazione Nazionale Piloti Aviazione Commerciale
FERS
— Facility and Equipment Reporting System
ATR
— Air Traffic Requirements
AGATE
— Advanced General Aviation Transport Experiments (NASA)
CR(A)OC
— Central Region (Air) Operations Centre
ES&H
— Environmental Safety And Health
APPR
— Approach
AUTOB
— Automatic Weather Reporting System
PIREPS
— electronic pilot reports
VTR
— Variable Takeoff Rating
IVRS
— interim voice response system
DFRT
— Deadfreight
ACPO
— Aircraft Position Operator
DARC
— Direct Access Radar Channel
FPI
— Fluorescent Penetrate Inspection
ASRS
— Aviation Safety Reporting System
EGALPA
— Egyptian Air Line Pilots Association
DFTI
— Distance-from-Touchdown Indicator
ISL
— Intermediate Supplementary Flight Level
PCB&T
— Personnel Compensation Benefits and Travel
LRNAV
— Long Range Navigation
OGM
— Objectives > Goals > Mission
AWY
— Airway
RSA
— Runway Safety Area
VCR
— Visual Control Room
PCA
— Propulsion Controlled Aircraft
ODID
— Operational Input and Display System
ASBA
— American Shipbrokers Association
ASIP
— Aviation VHF-Very High Frequency- Packet Communication Simple Interface Protocol
MTCDR
— Medium-Term Conflict Detection and Resolution
HSPD
— Homeland Security Presidential Directive
AOA
— Aircraft Operating Agency
APB
— APATSI Project Board
LDAH
— Landing Distance Available Helicopter
APPLA
— Associacao Pilotos Portugueses Linha Aerea
EHEST
— European Helicopter Safety Team
IRMC
— Integrated Risk Management Checklist
ALPA-INT
— Air Line Pilots Association - International
ATIC
— Administrative and Technical Inspection Committee
AAFCE
— Allied Air Forces Central Europe
FPD
— Flight Plan Database
ARSA
— Airport Radar Serve Area
SRZ
— Special Rules Zone
IFEA
— In-Flight Emergency Assistance
AFCNF
— Air Force Central NOTAM Facility
IMAWP
— Initial Missed Approach Waypoint
CHI
— Computer-Human Interface
AJF
— Finance Services, Air Traffic Organization
GES
— Ground Earth Station
IFO
— International Field Office
TDM
— Track Definition Message
DFDR
— Digital Flight Data Recorder
FDE
— Flight Data Entry
AMDA
— Airlines Medical Directors Association
MTR
— Military Training Route
CFD
— Change to Flight Data Message
CAPSIN
— CAA Packet Switched Integrated Network
4-MAST
— 4-MAST group
AFL
— Assigned Flight Level
G/A
— ground to air
CMMC
— Common Maintenance Monitoring and Control
MB
— Merchant Broker
AISAS
— Aeronautical Information Services Automated System
CMA
— Context Management Application
AAMS
— Aircraft Arrival Management System
RPR
— Real Property Report
AS
— Airspeed
FSDPS
— Flight Service Data Processing System
LOS
— Line-Oriented Simulation
AISS
— Aeronautical Information Server System
ETN
— Electronic Telecommunications Network
CEAC
— Committee of European Airspace Co-ordination
EOPF
— Electronic Official Personnel File
BECA
— Belgium Cockpit Association
JPDO
— Joint Planning and Development Office's
ANSA
— International Advisory Group Air Navigation Services
AOCC
— aircraft operator control centre
FI
— Iceland Air
METAR
— Meteorological Aerodrome Report
IPPC
— Internet Pilot Planning Centre
VM(LO)
— Minimum Maneuver Speed
CDD
— Corporate Data Dictionary
DEPA
— Departure Airfield
AAFG
— ATM Added Functionality Sub-Group
BRKHIC
— Breaks in Higher Overcast
SSM
— Sign Status Matrix
ALPA-M
— Airline Pilots Association - Malta
NAT SPG
— North Atlantic Systems Planning Group
ADO
— IFALPA Aircraft Design & Operation Committee
VTOL
— Vertical Take-Off and Landing aircraft
TACH
— Tachometer
SIGMET
— Significant Meteorological Information
EASA
— European Aviation Safety Authority
IGCN
— Independent Ground Communications Network
FMU
— Flow Management Unit
ACT
— William J. Hughes Technical Center
IGP
— Ionospheric Grid Points
IAM
— Institute of Aviation Medicine
DGB
— Dangerous Goods Board
FPZ
— Flight Path Zone
DPE
— Designated Pilot Examiner
MTAC
— Multiple Time Around Clutter
ATCEUC
— Air Traffic Controllers European Unions Coordination
HEMS
— Helicopter Emergency Medical Services
HIS
— Horizontal Situation Indicator
HAC
— Hughes Aircraft Company
ATFMP
— Air Traffic Flow Management Position
ACAC
— Arab Civil Aviation Council
LRR
— Long Range Radar or Low Cost Radar
EOF
— Emergency Operating Facility
CIWS
— CORRIDOR INTEGRATED WEATHER SYSTEM
MSK
— Minimum Shift Keying
FO(IFO)
— Fuel Oil/Intermediate FO
CVFR
— Controlled Visual Flight Rules
CTAM
— Climb to and Maintain
HS-DTS
— High Speed Data Transmission System
HAA
— Height Above Airport
ADEP
— Aerodrome of Departure
IACS
— INTERGRAPH Aeronautical Charting System
APV
— Approach with Vertical Guidance
HFDL
— High Frequency Data Link
ER TC
— En-Route Tactical Controller
PAD
— Packet Assembler Disassembler
MAX CLB
— Maximum Engine Thrust for Two-Engine Climb
IFATSEA
— International Federation of Air Traffic Safety Electronic Associations
ANSEP
— Air Navigation Services Economics Panel
4DTN
— 4D Trajectory Negotiation
IRVR
— Instrument Runway Visual Range
GNLS
— GNSS Navigation and Landing System
ACSEP
— Aircraft Certification Systems Evaluation Program
ARINC 741P4
— Aviation Satellite Communications System:Part 4 - Specification and Description Language
SBGP
— State Block Grant Program
ALPL
— Association Luxembourgeoise des Pilotes de Ligne
RTCM SC
— Radio Technical Commission for Maritime Services Special Committee
DACT
— Dissimilar Air Combat Training
DPDG
— Diplomatic and Protocol Drafting Group
AOCP
— Airborne Operational Computer Programme
IFATCA
— International Federation of Air Traffic Controllers' Associations
CAR
— Caribbean Region
ASPP
— Aeronautical Fixed Service Systems Planning for Data Interchange Panel
FSDO
— Flight Standards District Office
ECAC AREA
— European Civil Aviation Conference Area
ADIN
— AUTODIN Service
MTWA
— Maximum Takeoff Weight Authorized
IIE
— Integrated Information Environment
ANE
— New England Region
5-ST-RSG
— 5-States Route Structure Group
RATCF
— Radar Air Traffic Control Facility
LACAC
— Latin American Civil Aviation Commission
RMU
— Radio Management Unit
NCD
— No Computed Data
ACIPLA
— Asociacian Civil de Pilotos de Lineas Aereas
IAG
— International Association of Geodesy (IUGG)
APLRIM
— Association des Pilotes de Lignes de Mauritanie
OE/AAA
— Obstruction Evaluation/Airport Airspace Analysis
DTG
— Distance-to-go
SNIR
— Signal-to-noise ratio
AACE
— Airfield Approach Control Element
RMA
— RELIABILITY MAINTAINABILITY AVAILABILITY
CRNA
— Centre Régional de la Navigation Aérienne
TC
— Transit Corridor
AIRCOM
— Aircraft Communications
FSAS
— Flight Service Automation System
SFAR-38
— Special Federal Aviation Regulation 38
AEM
— Airports & Environment Management
STDMA
— Self-organising Time Division Multiple Access
OPADD
— Operating Procedures for AIS Dynamic Data
PC
— Period of Charter
ACE
— Allied Command Europe's
ERR
— Error message
CLSD
— Closed
AIRSPACE
— and Traffic Management
LAWRS
— Limited Aviation Weather Reporting Station
ATCU
— Air Traffic Control Unit
ATIS
— Aerodrome Terminal Information Service
CMIC
— Civil-Military Interface Standing Committee
AAM
— Airbus Asset Management
AIMS
— Aircraft Information Management System
8.33 PMC
— 8.33 Programme Management Cell
ER-PC
— En-Route Planner Controller
IAPL
— IFPS APL Message
APATSI
— Airport/air traffic system interface
IFPL
— Individual Flight Plan Message
FFAC
— From Facility
CRCO
— Central Route Charges Office
AITSC
— Administrative IT Steering Committee
FREE OUT
— Free of discharge costs to owners
NCW
— Non Conformance Warning
MCSG
— Military Committee Staff Group
ALSEC
— All Sectors
AOC
— Aeronautical Operational Communications
TI
— Texas International
C/S
— Call Sign
ARU
— Airspace Reservation Unit
ARO
— Airport Reservation Office
ASC
— Aviation Safety Council
CAPC
— Civil Aviation Planning Committee
FDMD
— Flight Data Management and Distribution
RAPNET
— Regional ATC Packet switched Network
OSH
— Open Shelter Deck
TRK
— Track
RDSIM
— Runway Delay Simulation Model
NATMC
— NATO Air Traffic Management Committee
CEU
— Central Executive Unit
FEATS
— Future European Air Traffic System
HID
— Host Interface Display
TKE
— TrackAngle Error
AAA
— Airport Airspace Analysis
RCL
— Runway Centreline Lighting
ARINC 541
— Airborne Magnetic Flight Data Recorder
PIDP
— Programmable Indicator Data Processor
CAOFA
— Co-ordination of Air Operations in the Forward Area
ARN-V2
— ATS Route Network - Version 2
AID
— Airport Information Desk
VFE
— Flaps Extended Placard Speed
HV
— Transavia Airlines CV
SMPS
— Sector Maintenance Processor Subsystem
PANS-OPS
— Procedures for Air Navigational Services - Aircraft Operations
ALR
— Alerting message
RIMS
— Runway Incursion Monitoring System
ARINC 569
— Heading and Altitude Sensor
AEROSAT
— Aeronautical Satellite Council
OH
— Operational Handbook
DAAIS
— Danger Area Activity Information Service
ISSM
— Information Systems Security Manager
EFL
— Entry Flight Level
RTQC/A
— Real Time Quality Control / Assessment
EC
— East Coast
GLONASS
— Global Orbiting Navigation Satellite System, Russia
ARSA
— Airport Service Radar Area
ASPLAB
— Asociacion Sindical de Pilotos del Lloyd Aereo (Bolivia)
ALPA
— Asociacion de Pilotos de Lineas Aereas
EFPS
— External Front Processing System
HFSG
— Human Factors Study Group
IAFP
— Individual ATC Flight Plan Proposal
EUR
— Region European Region
DNG
— Danger
AOU
— Aircraft Operator Unit
CCIF
— Comit? Consultatif International Des Communications T?l?phoniques ? Grande Distance (French For International Telephone Consultative Committee
AP
— Airport Patrol
ANGB
— Air National Guard Base
EIU
— Electronic Interface Unit
LISREL
— Linear Structural Relations
IFL
— Intermediate Flight Level
CMSA
— Carrier Sense Multiple Access
ACH
— ATC Flight Plan Change
CDU
— Control and Display Unit
SUP/ACC
— Supervisor Area Control Centre
A&F
— IFALPA Administration & Finance Committee
AQS
— FAA Office of Quality, Integration and Executive Services
ACRPWG
— Aircraft Crash Recovery Procedures Working Group
DDC
— Data Display Console
TSE
— Total System Error
VDC
— Volts, Direct Current
E-MSAW
— En Route Automated Minimum Safe Altitude Warning
N1
— Gas generator speed
ARCTR
— Aeronautical Center
CEAS
— Class E Airspace
TARMAC
— Taxi and Ramp Management and Control
DSCN
— Direct Speech Circuit Networks
GFDI
— GNSS Fault Detection and Isolation
EFF
— Effective from
FALPA
— Fiji Air Line Pilots Association
AFG
— Advisory Financial Group
AWTA
— Advise at What Time Table
FFM
— Free Flight Mode
FLCH
— Flight Level Change
ATNP
— Aeronautical Telecommunications Network Panel
LIH
— Light Intensity High
DAIR
— Direct Altitude and Identity Readout
PDAR
— Preferential Arrival And Departure Route
SUPSIS
— Supervisor
ARR
— Arrival
MTCA
— Medium Term Conflict Alert
RNLAF
— Royal Netherlands Air Force (also KLu)
VTOL
— Vertical Takeoff And Landing
ADISP
— Automated Data Interchange Systems Panel
EHD
— Danger Area
DDU
— Display Drive Unit
ACR
— FAA Office of Civil Rights
SBSR
— Space Based Secondary Radar
MIDAS
— Man-Machine Integration Design and Analysis System
UAC
— Upper Area Control
AA
— AMERICAN AIRLINE
CAMI
— Civil Aeromedical Institute
SFPL
— System Flight Plan Processing
FPF
— Flight Plan Fallback
FIRE
— Fire Station
AFER
— Aircraft Fuel Expense Reconciliation System
AMIDSHIPS
— In or toward the centre of the ship
BASIS
— British Airways Safety Information System
COSP
— Connection-Oriented Session Protocol
VOT
— VOR airborne equipment test facility
AMOSA
— Association of Aviation Maintenance Organisations of Southern Africa
AIRC
— Aeronautical Information and Control
APM
— Accident Prevention Manual
AW/P
— Active Way Point
ARINC 59MA
— Airborne Announcement Tape Reproducer
AIRMET
— Airmen's Meteorological Information
CALPA
— China Airline Pilots Association
D/A
— Digital-to-Analog
AZ
— Aerodrome zone
KECU
— Thousands of European Currency Units
HATR
— Hazardous Air Traffic Report
BTEC
— Business and Technician Education Council
LVA
— Large Vertical Aperture
BARTCC
— Berlin Air Route Traffic Control Centre
EATMP
— The European Air Traffic Management Programme
CFMU
— Central Flow Management Unit
ALPA
— As the Air Line Pilots Association
ATFR
— Air Traffic Flow Regulator
MSAW
— Minimum Safe Altitude Warning
TOPL
— Take Off Performance Limits
MMPI
— Minnesota Multi-phasic Personality Inventory
APANPIRG
— Asia/Pacific Air Navigation Planning and Implementation Regional Group
SAFI
— Semi-Automatic Flight Inspection
GDE
— Ground Delay Enhancements
ARTS
— Area Radar Training Squadron
AIRNET
— Airport Network Simulation Model
FIC
— Flight Information Centre
HSM
— High Speed Modem
AREA
— Automated En Route Air Traffic Control
HELI
— Heliport
ATI
— Automatic Tracking Initiation
ARINC 602A
— Test Equipment Guidance
COCESNA
— Central American Corporation For Air Navigation Service
HDQ
— FAA Headquarters
AJE
— En Route & Oceanic Service, Air Traffic Organization
PNGAPA
— Papua New Guinea Air Pilots Association
CPL
— Customer Priority Listing
DMS
— Database Management System
PCGO
— Part Cargo
SECRA
— Secondary Radar Data Only
AOCU
— aircraft operator control unit
ATAC
— Airspace Traffic Data Capture
WMSC
— Weather Message Switching Center
ASPA
— Asociacian Sindical de Pilots Aviadores de Mexico
EFP
— Espaсa-France-Portugal Plan
AES
— Airborne Earth Station
PFAST
— Passive Final Approach Spacing Tool
ANT
— Airspace and Navigation Team
KB
— Kilo Bytes (1,000 Bytes)
ARM
— FAA Office of Rulemaking
U/L
— Upper / Lower
TUI
— Trade Unions International of Transport Workers
FILTIM
— Date and Time Stamp of original Message
MAX CRZ
— Maximum Engine Thrust for Two-Engine Cruise
ODID
— Operational Display and Input Development
AMIC
— Area Manager in Charge
BARS
— Behaviour Anchored Rating Scales
CASFO
— Civil Aviation Security Office
BRNAV
— Basic Air NAVair Traffic Control Unit
DCCU
— Data Communications Control Unit
HDOT
— Inertial Vertical Speed
FLDS
— Flight Loads Data System
FIP
— Facility Improvement Program
NARG
— Navigation Aids and Area Navigation Group
AECG
— ACAS Evaluation and Co-ordination Group
AWOS
— Automatic Weather Observing System
CFDS
— Central Flight Data Suite
CLNP
— Connection Less Network Protocol
ARQ
— Automatic error Correction
DSUA
— Dynamic Special - Use Airspace
FCLT
— Freeze Calculated Landing Time
TMG
— Tourig Motor Glider
IAR
— Investment Analysis Report
RCP
— Radio Control Panel
HCP
— Hard Copy Printer
SESMA
— Special Event Search and Master Analysis
AEDT
— Aviation Environmental Design Tool
HIPERLAN
— High Performance Local Area Network
BRT
— Brightness
HARS
— High Altitude Route System
CTOL
— Conventional Takeoff & Landing
ATCGRAM
— Illustration in graph form of the main functional
ANT
— Air Navigation Team
FDMA
— Frequency Division Multiplex Access
CASI
— CFMU Aircraft Situation Image
CUP
— Computer Utility Program
5-STRSSG
— 5-States Route Structure Steering Group
HWP
— Holding Waypoint
V/M
— Volts-per-meter
PSDN
— Public Switched Data Network
STCA
— Short Term Conflict Alert
AEG-TFK
— AEG-Telefunken
EHA
— European Helicopter Association
SSAP SELECTOR
— Session Service Selector
ATHR
— Autothrust System
GEORGIAN ALPA
— Georgian Air Line Pilots Association
DCAA
— Danish Civil Aviation Administration
EBC
— Event Based Currency
CCS7-NI
— Communication Channel Signal-7 Network Interconnect
AEA
— Eastern Region
BALPA
— British Air Line Pilots Association
CESA
— Class E Surface Area
IHST
— International Helicopter Safety Team
ER
— En-Route
D&D
— Distress and Diversion
FPS
— Military Primary Radar
DIRF
— Direction Finding
FCM
— Flight Confirmation Message
EVAS
— EATMS Validation Strategy
NAT MWG
— North Atlantic Mathematicians Working Group
CDR
— Conditional Route
ZFW
— Zero Fuel Weight
IMO
— International Maritime Organisation (UN)
ALTN
— Alternate
ICAAS
— Integrated Control in Avionics for Air Superiority
CMCSG
— Civil and Military Co-ordination Sub-Group
RE
— Resident Engineer
ACP
— Accept Message
REGIS
— Regional Information System
GF
— Gulf Air Company - Bahrain
EATMS
— European Air Traffic Management System
CAEP
— Committee on Aviation Environmental Protection
AFC
— Airport Facilities Control
ACR
— Air Carrier
AL
— Allegheny
FDEP
— Flight Data Entry and Printout
AMPL
— Association Marocaine de Pilots de Ligne
MMAC
— Mike Monroney Aeronautical Center
ANPP
— Air Navigation Plan Publication
AAA
— Asian Airliners Association
AOC
— Aeronautical Operation Control
AIPN
— Appointing authority
CTO
— Calculated Time Over
NBAA
— National Business Aircraft Association
AISG
— AIS Automation Group
EPROM
— Erasable-Programmable Read-Only-Memory
SET
— Singe Engine Turbo-Prop