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>> aerospace Abbreviations
Look through 567 acronyms and abbreviations related to aerospace:
XMIT
— Transmit
OEM
— Original Equipment Manufacturer (usually in reference to car parts)
ANSI
— American National Standards Institute, Inc.
OBE
— Overcome By Events
ICD
— Interface Control Document
A
— Ampere
GUI
— Graphical User Interface (goo-ey)
API
— Application Programming Interface
ASCII
— American National Standard Code for Information Interchange
RF
— Radio Frequency
Y/D
— yaw damper
RPM
— Revolutions Per Minute, (Rotations Per Minute)
°F
— degrees Fahrenheit
GPS
— Global Positioning System (ex-NAVSTAR)
CDR
— Critical Design Review
FAROS
— Final Approach Runway Occupancy Signal
DOD
— United States Department of Defense
DA/H
— decision altitude/height
MSTOW
— Max. Structural Take-off Weight
DARPA
— Defense Advanced Research Projects Agency (US)
RAM
— random-access memory
ESA
— European Space Agency
MLS
— Microwave Landing System
TBC
— To Be Confirmed
KG
— Kilogram
NGO
— Non-governmental organization. (Red Cross/Crescent, Doctors without Borders, etc.)
AOG
— Aircraft On Ground
AHRS
— Attitude Heading Reference System
PC
— Personal computer (host)
AGL
— Above Ground Level
EOL
— End Of Life
°
— degree
ATC
— Air traffic control
HZ
— cycles per second (hertz)
NM
— Nanometer
LRU
— Line-Replaceable Unit
CM
— Centimeter
FAA
— Federal Aviation Administration
CSA
— Canadian Space Agency
VHF
— Very High Frequency
ICAO
— International Civil Aviation Organization
RPM
— Resale Price Maintenance. The UK Net Book Agreement, as was. Means by which retail prices are controlled by primary suppliers. (Alternatively, Revolutions Per Minute, as in engine speed and 78, 33 and 45 records. In years to come how many people will know
CAMO
— Continuing Airworthiness Management Organisation
MSL
— Mean Sea Level
ACFT
— Aircraft
MIN
— Minute
IATA
— International Air Transport Association
ADC
— Air Data Computer
ASL
— Above Sea Level
PSI
— Pounds Per Square Inch (Static Pressure)
W
— Watt
µS
— microsecond
GND
— Ground
IR
— Infrared
APU
— Auxiliary Power Unit
H
— Hour
AMSL
— Above Mean Sea Level
M
— Meter
CAA
— Civil Aviation Authority
IDE
— Integrated Development Environment
AFCS
— Automatic Flight Control System
LOS
— Line Of Sight
CAME
— Continuing Airworthiness Management Exposition
ACMS
— Aircraft Condition Monitoring System
COTS
— Commercial Off the Shelf Software
NRC
— National Research Council (Canada)
DME
— Distance Measuring Equipment
LEO
— Low Earth Orbit (satellite communications)
DSP
— Digital Signal Processor
CG
— Center of Gravity (DXS)
ISS
— International Space Station
EPR
— Engine Pressure Ratio
RVR
— Runway Visual Range
B
— Byte
RESA
— Runway End Safety Area
IN
— Inch
WOFW
— weight-off-wheels, indicates aircraft is off ground since lift off
FT
— Feet
JPL
— Jet Propulsion Laboratory (California Institute of Technology) (NASA)
ADC
— Analog-Digital Converter
FD
— Flight Director
ATN
— Aeronautical Telecommunication Network
MSA
— Minimum Safe Altitude
MS
— Millisecond
DOF
— degree of freedom
CDMS
— Command and Data Management System
EAS
— Equivalent Airspeed
WEF
— With Effect From
A/C
— Aircraft
MO
— Month Old
MIT
— Massachusetts Institute of Technology (U.S.)
GSE
— Ground Support Equipment
OTS
— Out of Service
PAR
— Precision Approach Radar
ATFM
— air traffic flow management
ADF
— Automatic Direction Finder
S
— second (do NOT use "sec" for "second;" use "sec" for "secant")
RSA
— Russian Space Agency
N
— Newton
NDT
— Nondestructive Test
US
— Ultrasound
TDMA
— Time Division Multiple Access
NASA
— National Aeronautics and Space Administration (US)
ISA
— International Standard Atmosphere
ELT
— Emergency Locator Transmitter
CVR
— Cockpit Voice Recorder
B
— Bit
PAPI
— Precision Approach Path Indicator (aviation)
RDH
— Reference Datum Height
V
— Volt (measurement)
RNP
— Required Navigation Performance
CDI
— Course Deviation Indicator
MSFC
— Marshall Space Flight Center (Huntsville AL)
EASA
— European Aviation Safety Agency
AD
— airworthiness directives (FAA)
AIP
— Aeronautical Information Publication
RTOS
— Real-Time Operating System
NOTAM
— Notice to Airmen
DPU
— data processing unit
MDA
— Minimum Descent Altitude
MEDEVAC
— Medical Evacuation
HLD
— Hold
APT
— Airport
AOA
— Angle Of Attack
HUD
— Head-Up Display
ARINC
— Aeronautical Radio Incorporated
INS
— Inertial Navigation System
FADEC
— Full Authority Digital Engine Control
HIRO
— High Intensity Runway Operation
FANS
— Future Air Navigation System
AFS
— Aeronautical Fixed Service
DR
— Dead Reckoning
SID
— Standard Instrument Departure
A/C
— Aircraft Commander
AFTN
— Aeronautical Fixed Telecommunication Network
VMC
— visual meteorological conditions
SLT
— System Level Test
RX
— Receive
HIWAS
— Hazardous Inflight Weather Advisory Service
PFD
— Primary Flight Display
FL
— Flight Level
SAA
— Solar Aspect Angle
ANSP
— Air Navigation Service Provider
GA
— General Aviation
DER
— Departure End of Runway
FPGA
— Field-Programmable Gate Array
LOFT
— Line-Oriented Flight Training
VOR
— VHF Omnidirectional Range
GCA
— Ground-controlled approach
TAS
— True Airspeed
ILS
— Instituteument Landing System
FSS
— Flight Service Station
LPV
— Localizer Performance with Vertical Guidance
NEP
— Noise Equivalent Power
HDG
— Heading
DEG
— Degree
FMC
— Flight Management Computer
ASI
— Airspeed Indicator
IMC
— Instrument Meteorological Conditions
ACI
— Airports Council International
IRS
— Inertial Reference System
SSP
— Space Shuttle Program
TCA
— Terminal Control Area
IFR
— Instrument Flight Rules
F
— Farad (SI Unit Of Capacitance)
ALS
— approach lighting system
PF
— Pilot Flying
FIR
— Flight Information Region
MM
— Middle Marker
LCN
— Load Classification Number
TCAS
— Traffic Collision Avoidance System
AIRAC
— Aeronautical Information Regulation and Control
HSI
— Horizontal Situation Indicator
TAF
— Terminal Aerodrome Forecast
UTC
— Universal Time Coordinate
FDR
— Flight Data Recorder
STAR
— Standard Terminal Arrival Route
HYD
— Hydraulic
MCP
— Mode Control Panel
RWY
— Runway
ADA
— Advisory Area
RNAV
— Random Navigation Area Navigation
VASI
— Visual Approach Slope Indicator
TCH
— Threshold Crossing Height
AP
— Autopilot
°C
— Degrees Celsius
Y
— Yaw
ATIS
— Automatic Terminal Information Service
LEOP
— Launch and Early Orbit Phase
ADS
— automatic dependent surveillance
BPR
— Bypass Ratio
S/C
— Spacecraft
TC
— Telecommand
EGPWS
— Enhanced Ground-Proximity Warning System
RAD
— Radiant
ATS
— Air Traffic Service
UIR
— Upper Information Region
FAP
— Final Approach Point
ACAS
— Airborne Collision Avoidance System
SESAR
— Single European Sky ATM Research
AFDS
— Autopilot Flight Director System
ATPL
— Airline Transport Pilot Licence
DDS
— Data Distribution System
THS
— Trimmable Horizontal Stabilizer
CFIT
— Controlled Flight into Terrain
PDAS
— Public Domain Aeronautical Software
RSR
— en-Route Surveillance Radar
MCU
— Microcontroller Unit
XPNDR
— Transponder
LNAV
— Lateral Navigation
EGT
— Exhaust Gas Temperature
UHF
— Ultrahigh Frequency
CTAF
— Common Traffic Advisory Frequency
TX
— Transmit
CMB
— Cosmic Microwave Background
Z
— Zulu Time
VNAV
— Vertical Navigation
CAS
— Column Address Strobe
FAF
— Final Approach Fixes
RTO
— Rejected Take-Off
STR
— Star TRacker
SMR
— Surface Movement Radar
AHF
— Attitude History File
TWY
— Taxiway
TOD
— Top of Descent
GPWS
— Ground Proximity Warning System
FBO
— fixed base operator
A/T
— autothrottle
MTOW
— Maximum Take-off Weight
EFIS
— Electronic Flight Instrument System
LOBT
— Local on Board Time
CMV
— Converted Meteorological Visibility
FPA
— Flight Path Angle
SIGMET
— Significant Meteorological Advisory
DG
— Directional Gyroscope
RA
— Resolution Advisory
TRL
— Technology Readiness Level
OCH
— Obstacle Clearance Height
ACC
— Active Clearance Control
SSO
— Solar System Object
ETP
— Equal Time Point
HYDIM
— hydraulic interface module
TRACON
— Terminal Radar Approach Control
PIREP
— Pilot Report
LCG
— Load Classification Group
FSF
— Flight Safety Foundation
IAP
— Instrument Approach Procedure
CANSO
— Civil Air Navigation Services Organisation
IMU
— Inertial Measurement Unit
OCA
— Obstacle Clearance Altitude
IAF
— Initial Approach Fixes
SS
— Sunset
MRW
— Maximum Ramp Weight
BTB
— Back-To-Back
IFATCA
— International Federation of Air Traffic Controllers' Associations
TBD
— To Be Defined
PNF
— Pilot Not Flying (aviation)
CUC
— CCSDS Unsegmented Time Code
TA
— Traffic Advisory
METAR
— Meteorological Aerodrome Report
FMS
— Flight management system
ESA
— Emergency Safe Altitude
NDB
— Non-Directional Beacon
PBD
— place bearing distance (RNAV waypoint)
TAWS
— terrain awareness and warning system
TDZ
— Touchdown Zone
MSA
— Minimum Sector Altitude
MDH
— Minimum Descent Height
MBPS
— Mega Bits per second
SR
— Sunrise
G/S
— glideslope
RSA
— Runway Safety Area
PANS-OPS
— procedures for air navigation services – aircraft operations
TORA
— Take-Off Run Available
MZFW
— maximum zero-fuel weight
FPL
— Filed Flight Plan
KIAS
— Knots Indicated Airspeed
EW
— Empty Weight
MAP
— Missed APproach
VDP
— Visual Descent Point
FOV
— Field-Of-View
LIR
— Loading Instruction Report
CPDLC
— Controller–pilot data link communications
Y
— Year
EUROCAE
— European Organisation for Civil Aviation Equipment
IFA
— International Federation of Airworthiness
OM
— Outer Marker (ILS)
XPDR
— Transponder
PLM
— Payload Module
IAS
— Indicated AirSpeed
OBS
— omni-bearing selector
GA
— go-around
VNE
— never-exceed speed
SSC
— Station Support Computer
GP
— Glide Path
LW
— landing weight
RVSM
— Reduced Vertical Separation Minima
PDG
— Procedure Design Gradient
G
— Gravity
EICAS
— engine-indicating and crew-alerting system
ASM
— Airspace Management
TTSN
— Total Time Since New
PADS
— Position and Attitude Determination System
CDIO
— Conceive Design Implement Operate
VMO
— Maximum Operating Speed
DER
— Designated Engineering Representative
ALI
— Airworthiness Limitation Item
ML
— milliliters
TPF
— Terrestrial Planet Finder
FATO
— Final Approach and Take Off
TRA
— Temporary Reserved Airspace
SWI
— Software Interrupt
A/D
— Aerodrome
KC-135
— NASA's reduced gravity airplane
MOC
— Minimum Obstacle Clearance
ITT
— Interstage Turbine Temperature
AOC
— Air Operator's Certificate
µ-G
— microgravity
SVM
— Service Module (also abbreviated as S/M)
ATM
— Air Traffic Manager
QNH
— the Q-code for: Altimeter sub-scale setting to obtain elevation when on the ground, i.e. altitude above MSL
MLDW
— maximum landing weight
SSL
— Space Systems Laboratory
FLOPS
— Billion Floating Point Operations Per Second
FOQA
— Flight Operational Quality Assurance
PO
— Physical Optics
ZFT
— zero-fuel time
FBW
— Fly-by-Wireless
LLZ
— Localizer
QRH
— Quick Reference Handbook
RFQM
— Radio Frequency Qualification Model
VSO
— stall speed in landing configuration
SCAP
— Standard Computerized Airplane Performance
OBT
— On-Board Time
ZFW
— zero-fuel weight
HPA
— Human-Powered Aircraft
HPFTS
— Herschel/Planck File Transfer System
PTD
— Physical Theory of Diffraction
TWR
— Tower
PFAF
— Precision Final Approach Fix
PPLM
— Planck Payload Module
BWC
— Bird Watch Condition
NET
— Noise Equivalent Temperature
RAS
— Rectified Air Speed
ISFD
— Integrated Standby Flight Display
GIPS
— Giga Instructions Per Second
VLO
— maximum landing gear operating speed
DAE
— Data Acquisition Electronics
HCM
— Angular momentum Control Mode
ETOPS
— Extended-range Twin-engine Operation Performance Standards
ASAS
— Airborne Separation Assurance System
TTSO
— Total Time Since Overhaul
ISIS
— Integrated Standby Instrument System
TAR
— Terminal Approach Radar
TTAF
— Total Time Air Frame
FEM
— Front End Module
REU
— Readout Electronic Unit
LAME
— Licenced Aircraft Maintenance Engineer
VNO
— normal operating speed limit
HEMT
— High Electron Mobility Transistor
PSO
— Planck Science Office
PLA
— Planck Legacy Archive
FDIR
— Fault Detection, Identification and Recovery
WONW
— weight-on-wheels, indicates aircraft is on ground since touch down
CDMU
— Command and Data Management Unit
PSM
— Planck Sky Model
VX
— Best Angle Of Climb Speed
VY
— Best Rate Of Climb Speed
ACARS
— Aircraft Communication and Addressing Reporting System
FWHM
— Full-Width-at-Half-Maximum
ECAM
— Electronic Centralised Aircraft Monitor
SOH
— State Of Health
UART
— Universal Asynchronous Receiver Transmitters
SMOH
— Since Major Overhaul
MOC
— Mission Operation Center
ECET
— End of Civil Evening Twilight
SOC
— Start of Climb at Missed Approach
KBPS
— kilo bits per second
LLC
— Life Limited Component
VFE
— maximum flaps extended speed
AFRL
— Air Force Research Laboratories
ICO
— Idle Cut-Off
TLD
— time-limited dispatch
FDM
— Flight Data Monitoring
PSR
— Point of Safe Return
PIA
— Planck Internal Archive
AFE
— Above Field Elevation
ASDA
— Association for Scientific Development of Air Traffic Management in Europe
SMT375
— Sundance Multiprocessor Technologies DSP board model 375
RGO
— Reduced Gravity Office
FEU
— Front End Unit
MFLOPS
— Million Floating Point Operations Per Second
WG
— Waveguide
MATS
— Manual of Air Traffic Services
H
— Heavy
VLE
— maximum landing gear extension sp
GEA
— Ground effect area
STS
— Satellite-to-satellite
SZ
— Sunyaev-Zel'dovich Effect
RA
— radio altitude
DOW
— Dry Operational Weight
ATA
— Air Traffic Association
SOVT
— System Operation and Validation Test
SPPT
— Survey Performance and Planning Tool
TAA
— Terminal Arrival Area
DPC
— Data Processing Center
STS-#
— Space Shuttle Mission #
GNC
— guidance, navigation, and control
QFE
— the Q-code for: Atmospheric pressure at aerodrome elevation
AFT
— Aircraft Finance Trust
BEU
— Back End Unit
TFR
— Temporary Flight Restriction
UAV
— unmanned air vehicle
TSK
— Background Task
ICA
— Instructions for Continuous Airworthiness
MSZFW
— Max. Structural Zero Fuel Weight
FPU
— Focal Plane Unit
SREM
— Space Radiation Environment Monitor
HSK
— House-Keeping data
GLOC
— G-Induced Loss of Consciousness
FLASH
— Type of electrically erasable programmable read only memory
BEM
— Back End Modules
FCOM
— flight crew operating manual
P/L
— Payload
A/P
— airplane (US), aeroplane (ICAO)
TO/GA
— take-off/go around
MSLW
— Max. Structural Landing Weight
E-LSA
— experimental light-sport aircraft
AR
— Authorization Required
ERCSC
— Early Release Compact Source Catalog
ARD
— Autonomous Rendezvous and Docking
FOG
— Fiber Optic Gyroscope
MP
— Manifold Pressure
NASDA
— Japanese National Space Development Agency
AFT
— Aircraft Fatigue Test
NMP
— New Millennium Program
SODPRO
— simultaneous opposite direction parallel runway operations
ESTEC
— European Space TEchnology and Research Centre
MG
— milli-g
REBA
— Radiometer Electronics Box Assembly
IRT
— Instrument Rating Test
HPMCS
— Herschel/Planck Mission Control System
APID
— Application Program Identifier
DTCP
— Daily Tele-Communication Period
DWC
— dog watch condition
EOBT
— estimated off-blocktime
TGL
— Temporary Guidance Leaflet
FOO
— flight operation officer
MBX
— Mailbox data transfer construct
MBPS
— Mega Bytes per Second
MLE
— Middeck Locker Equivalent
CSL
— Centre Spatial de Liège
DQR
— Daily Quality Report
RCA
— Radiometer Chain Assembly
HFI
— High Frequency Instrument
MACE
— Middeck Active Control Experiment
TERPS
— Terminal Procedures
VS
— Stall Speed
GSP
— Guest Scientist Program
AMO
— Approved Maintenance Orginaization
PIO
— Pilot Induced Oscillations
SSCE
— Sun-SpaceCraft-Earth angle max= 15°
RTS
— Random Telegraphic Signal
MOSR
— Mars Orbit Sample Return
µG
— micro-g
IFSD
— In-Flight Shutdown
IDT
— identify (XPDR)
TOW
— Take-Off Weight
TP
— Turning Point at Missed Approach
ACMS
— Attitude Control & Measurement Subsystem
LFI
— Low Frequency Instrument
DUATS
— Direct User Access Terminal Service
SPU
— Signal Processing Unit
HL
— Height Loss
TAM
— Total Airport Management
PET
— Point of Equal Time
GFLOPS
— Giga FLOPS
BC
— Back Course
SPHERES
— Synchronized Position Hold, Engage, Reorient, Experimental Satellites
AOM
— airport operating minima
PUS
— Packet Utilisation Standard
DMC
— Data Management Component
RW
— ramp weight
MEF
— maximum elevation figure
HWI
— Hardware Interrupt
VA
— Maneuvering Speed
DR2000
— RFM Monolithics transceiver module
MODE
— Middeck 0-gravity Dynamics Experiment
CTR
— Central Time Reference
FEP
— Final End Point
AFT
— Aircraft Financing & Trading
SPECS
— Sub-millimeter Probe of the Evolution of Cosmic Structures
RGA
— Reduced gravity airplane
PIC
— Microchip PIC line of micro controllers
IOT
— Instrument Operation Team
CPV
— Calibration and Performance Verification
RGP
— Reduced gravity program
TOS
— Time of Sample
SCAR
— Special Committee for Antarctic Research
IFE
— Interactive in Flight Entertainment
APPL
— Augmented Preprogrammed Pointing List
PPL
— Pre-programmed Pointing List
LFER
— low frequency excess response
CDU
— control/display unit
MAC
— Mid-Air Collision
STP
— DoD Space Technology Programs Office
DSS
— Distributed Satellite Systems
FITS
— Flexible Image Transfer Specification
SRP
— Solar Radiation Pressure
IFE
— IPods to an in Flight Entertainment
WAT
— weight, altitude, temperature: variables that affect takeoff performance
SGS
— Science Ground Segment
RSSD
— Research Space Science Division
ADV
— German Airports Association
OW
— operational weight
RIMO
— reduced Instrument MOdel
THF
— Telecommand History File
LM
— Land and Marine
STL
— Satellite-to-laptop
NIB
— Nominal is Better
CLK
— Hardware timer driven HWI
RAA
— LFI Radiometer Array Assembly
DGR
— Dangerous Goods Regulation
JSC
— Johnson Spaceflight Center
PSI
— Payload Systems Inc.
RAF
— Raw Attitude history File
SEV
— Sun Earth Vector
PSU
— Personal Service Units
PIP
— Pipe data transfer construct
R
— (as a prefix:) restricted airspace
SIAM
— Spacecraft Instrument Alignment Matrix
JFET
— Junction Field Elect Transistor
TOWS
— take-off warning system
CRC
— Cyclic Redundancy Codes
ILS
— Instrument Line Shape
PSR
— power supply reset
MRO
— maintenance repair overhaul
SCS
— Sorption Cooler Subsystem
P
— (as a prefix:) prohibited airspace
SCS
— SPHERES Core Services software layer
PRD
— Periodic
STG
— Satellite-to-ground
TOD
— Time-Ordered Data
TSA
— Thermal Stabilization Assembly
IF
— Intermediate Approach Fix
DCE
— Dilution Cooler Electronics
WHR
— Weekly Health Report
DLS
— Dynamic Load Sensors experiment
PBR
— phase binned ring
CFR
— Certified Federal Regulations
SEM
— Semaphore synchronization construct
RT
— radiotelephony
HK
— House Keeping
IMO
— Instrument MOdel
LHO
— live human organs
FH
— Feed Horn
SCC
— Sorption Cooler Compressor assembly
SGR
— Small Gap Recovery
POI
— Phase-Ordered Information
OD
— Operational Day
ROI
— Ring-Ordered Information
SIB
— Smaller is Best
PAU
— Pre_Amplification Unit
LIB
— Larger is Best
COP
— Commissioning Phase
GS
— groundspeed
OMT
— Ortho Module Transducer
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