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