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