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