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Home / Governmental & Military / Aircraft

Governmental & Military >> Aircraft Abbreviations

Look through 444 acronyms and abbreviations related to Aircraft:

HHLD — heading hold
XMIT — Transmit
XCVR — Transceiver
MLS — Microwave Landing System
LED — Light-Emitting Diode
ADC — Air Data Computer
MSG — Message
SAR — Search And Rescue
FD — Flight Director
LCD — Liquid Crystal Display
RF — Radio Frequency
RNG — Range
RVR — Runway Visual Range
ACMS — Aircraft Condition Monitoring System
CNS/ATM — Communication Navigation Surveillance/Air Traffic Management
ALC — Automatic Level Control
APU — Auxiliary Power Unit
ADM — Air Data Module
AFCS — Automatic Flight Control System
APM — Aircraft Personality Module
DME — Distance Measuring Equipment
UAV — Unmanned Aerial Vehicle
B RNAV — Basic area navigation
ASR — Airport Surveillance Radar
FAA — Federal Aviation Administration
ATCRBS — Air Traffic Control Radar Beacon System
ULB — Underwater Locator Beacon
CVR — Cockpit Voice Recorder
MSA — Minimum Safe Altitude
MTBF — Mean Time Before Failure
ANT — Antenna
USB — Universal Serial Bus
FCS — Flight Control System (Subsystem)
PAR — Precision Approach Radar
WX — Weather
SID — Standard Instrument Departure
ATC — Air traffic control
DH — Decision Height
ALT — Altitude
RNP — Required Navigation Performance
VHF — Very High Frequency
NAS — National Airspace System
AIXM — Aeronautical Information Exchange Model
MF — Medium Frequency
AGC — Automatic Gain Control
ASD — Aircraft Situation Display
GS — Ground Speed
FF — Fuel Flow
FANS — Future Air Navigation System
RFI — Radio Frequency Interference

ND — Navigation Display
ADF — Automatic Direction Finder
ECU — Engine Control Unit
PFD — Primary Flight Display
R-NAV — Area navigation
NM — Nautical Mile
CRT — Cathode Ray Tube (type of TV)
HF — High Frequency
NOTAM — Notice to Airmen
TCA — Terminal Control Area
NVD — Night Vision Device
GCU — Generator Control Unit
GND — Ground
DA — Decision Altitude
BITE — Built-In Test Equipment
V/REF — Reference velocity
V/TRK — Vertical Track
V/NAV — Vertical navigation
EPR — Engine Pressure Ratio
EADI — Electronic Attitude Director Indicator
MM — Middle Marker
ADIRS — Air Data Inertial Reference System
RALT — Radar Altimeter
SUA — Special-Use Airspace
TBO — Time Between Overhaul
AIDS — Aircraft Integrated Data System
ADIRU — Air Data Inertial Reference Unit
CDI — Course Deviation Indicator
SNR — Signal-to-Noise Ratio
RPM — Revolutions Per Minute, (Rotations Per Minute)
TAS — True Airspeed
ACP — Audio Control Panel
MFD — Multi-Function Display
HZ — cycles per second (hertz)
OWE/OEW — Operating Weight Empty/Operating Empty Weight
MIC — Microphone
MAP — Manifold Absolute Pressure
MEL — Minimum Equipment List
SD — Secure Digital
MTTF — Mean Time To Failure
ACARS — Aircraft Communications Addressing and Reporting System
XFR — Transfer
RTE — Route
ANN — Annunciator
YD — Yaw Damper
WPT — Waypoint
CDTI — Cockpit display of traffic information
ANR — Active Noise Reduction
MCDU — Multi-purpose/Multi-function Control and Display Unit
GBAS — Ground Based Augmentation System

CNS — Communication Navigation Surveillance
HDOP — Horizontal Dilution of Precision
TCAS — Traffic Collision Avoidance System
POS — Position
RLY — Relay
PAPI — Precision Approach Path Indicator (aviation)
ARINC — Aeronautical Radio Incorporated
ADI — Attitude director indicator
ENG — Engine
VGA — Video Graphics Array
DAR — Designated Airworthiness Representative
IMC — Instrument Meteorological Conditions
ADS — Air Data System
IRS — Inertial Reference System
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
ACC — Area Control Centre
QAR — Quick Access Recorder
SAT — Static Air Temperature
STAR — Standard Terminal Arrival Route
A/P — Autopilot
GMT — Greenwich Mean Time (Zulu)
INS — Inertial Navigation System
STC — Supplemental Type Certificate
NORDO — No-Radio
MCBF — Mean cycles between failures
DGPS — Differential Global Positioning System
ELT — Emergency Locator Transmitter
FCC — Flight Control Computer
TDOP — Time Dilution of Precision
SRS — Speed Reference System
DR — Data Recorder
NMI — Nautical Mile
TIS — Traffic Information Service
GDOP — Geometric Dilution Of Precision
GHZ — Gigahertz
TAF — Terminal Area Forecast
NFF — No Fault Found
MILSPEC — Military Specification
G/S — Glide Slope
FADEC — Full Authority Digital Engine Control
ISA — International Standard Atmosphere
ALT HOLD — Altitude Hold Mode
HDG — Heading
TCF — Terrain Clearance Floor
SELCAL — Selective Calling System
RA — Resolution Advisory
VSI — Vertical Speed Indicator
MTBUR — Mean time between unscheduled removals
ADS — automatic dependent surveillance
ROC — Rate of Climb

CODEC — Coder/decoder
DCDU — Data link control and display unit
STP — standard temperature and pressure (0° and 1 atm)
EGPWS — Enhanced Ground-Proximity Warning System
VMC — visual meteorological conditions
CDA — Continuous Descent Approach
HUD — Head-Up Display
LPV — Localizer Performance with Vertical Guidance
VPATH — Vertical Path
CIP — Common Integrated Processor
SQL — Squelch
LRU — Line-Replaceable Unit
ABAS — Aircraft-based Augmentation System
AFDS — Autopilot Flight Director System
PSU — Passenger Service Unit
DA — Drift Angle
XMSN — Transmission
SAR — Smart ACMS Recorder
CPS — Cycles Per Second (now Hertz)
ATCT — Airport Traffic Control Tower
POF — Phase of Flight
IVSI — Instantaneous Vertical Speed Indicator
FMGS — Flight Management and Guidance System
EHSI — Electronic Horizontal Situation Indicator
RDR — Radar
MB — Marker Beacon
ACAS — Airborne Collision Avoidance System
SATNAV — Satellite Navigation
FREQ — Frequency
ID — IDentifier
OAT — Outside Air Temperature
LAAS — Local Area Augmentation System
RMI — Radio Magnetic Indicator
PMG — Permanent Magnet Generator
HSI — Horizontal Situation Indicator
TGT — Turbine Gas Temperature
DG — Directional Gyroscope
TLA — Thrust Lever Angle
PDOP — Position Dilution of Precision
NAVSTAR-GPS — NAVigation Satellite Timing And Ranging (The formal name for the space-borne or satellite navigation system)
ADS-B — Automatic Dependent Surveillance-Broadcast
WMSCR — Weather Message Switching Center Replacement
TWIP — Terminal Weather Information for Pilots
SSR — secondary surveillance radar (ICAO/FAA)
VASI — Visual Approach Slope Indicator
UHF — Ultrahigh Frequency
OEW — Operating Empty Weight
SATCOM — Satellite Communication
JTIDS — Joint Tactical Information Distribution System (djay-tidz)
TAWS — Terrain Awareness Warning System

CFIT — Controlled Flight into Terrain
GPWS — Ground Proximity Warning System
UTC — Universal Time Coordinate
TWDL — Two-Way Data Link
MOA — Military operations area
EGT — Exhaust Gas Temperature
COM — Communications Society
VNO — Maximum structural cruising speed
ROD — Rate Of Descent
TRACON — Terminal Radar Approach Control
PD — Profile Descent
AFDC — Autopilot Flight Director Computer
TVE — Total Vertical Error
ATSU — Air Traffic Services Unit
HUMS — Health and usage monitoring systems
SPKR — Speaker
XMTR — Transmitter
T/R — Transceiver
TKE — TrackAngle Error
T/R — Transmitter/Receiver
P-RNAV — Precision Area Navigation
SSFDR — Solid-State Flight Data Recorder
FAT — Free Air Temperature
ACS — Audio Control System
NPA — Non-Precision Approach
HDG SEL — Heading Select
ASU — Avionics Switching Unit
CV/DFDR — Cockpit voice and digital flight data recorder
KTAS — Knots True Airspeed
FAF — Final Approach Fixes
TX — Transmit
PAL — Pilot Activated Lighting
NAVAID — Navigational Aid
AMS — Air Management System
GLU — GPS Landing Unit
WINDR — Wind Direction
FMA — Flight Mode Annunciator
MRCA — Multi-Role Combat Aircraft
LORAN — Long-Range Navigation
AMLCD — Active-matrix liquid crystal display
VFO — Variable Frequency Oscillators
VSWR — Voltage Standing-Wave Ratio
FG — Flight Guidance
TAT — Total Air Temperature
SASP — Single Advanced Signal Processor
WAAS — Wide Area Augmentation System
EFIS — Electronic Flight Instrument System
ANT — Antenna Noise Temperature
OCC — Operations control center
TOGA — Takeoff/Go-Around

FF — Free Flight
FIS-B — Flight Information Services - Broadcast
CTAF — Common Traffic Advisory Frequency
DVE — Degraded Visual Environment
ADS-A — Automatic Dependent Surveillance-Address
PND — Primary Navigation Display (aviation)
RX — Receiver
RCR — Reverse Current Relay
TACH — Tachometer
DUAT — Direct User Access Terminal
CPDLC — Controller–pilot data link communications
VY — Speed for best rate of climb
FMS — Flight management system
TERPS — terminal en route procedures
FBW — Fly-by-Wireless
LOM — Locator Outer Marker
LADGPS — Local area differential GPS
THDG — True Heading
CAI — caution annunciator indicator
CWS — Control Wheel Steering
ADAHRS — Air Data And Attitude Heading Reference System
EEC — Electronic Engine Control
ENR — Electronic Noise Reduction
OM — Outer Marker (ILS)
V/S — Vertical speed
BDI — Bearing Distance Indicator
FLIR — forward-looking infra-red
WMSC — Weather Message Switching Center
ARIA — Apollo Range Instrumentation Aircraft
RAIM — Remote Autonomous Integrity Monitoring
TERPS — Terminal Instrument Procedures
TBO — Time Before Overhaul
OWE — Operating Weight Empty
WYPT — Waypoint
RAT — Reliability Assessment Testtmtram Air Turbine
AVIONICS — Aviation Electronics
AOC — Aeronautical Operational Control
DFMC — Dual Frequency Multiple Constellation
DP — Departure procedures
AT — Auto Throttle
MOSART — Modular Open System Architecture
AFIS — Airborne Flight Information System
LMM — Locator middle marker
TA — Traffic Advisory
ITT — Interstage Turbine Temperature
LPR — Low Pressure Rotor
RDR — Radar Departure Route
IND — Indicator
VX — Speed for best angle of climb
QRH — Quick Reference Handbook

CAT I — Operational performance Category 1
MIDS — Multifunctional Information Distribution System
AFIS — Automatic Flight Information Service
TR — Transmitter/Receiver
REIL — Runway end identifier lights
TOT — Turbine Outlet Temperature
LDGPS — local area differential global positioning satellite
AFD — Autopilot Flight Director
XTK — Crosstrack
IDENT — Identifier
XPDR — Transponder
GCAS — Ground Collision Avoidance System
DNC — Direct noise canceling
TRANS — Transmit
IAS — Indicated AirSpeed
PSR — Primary Surveillance Radar
NDB — Non-directional radio beacon
AOP — Airport Operating Plan
VSO — stall speed in landing configuration
TWDL — Terminal Weather Data Link
EFD — Electronic Flight Display
ADS — Airworthiness Directives Subsystem
CAT IIIA — Operational performance Category IIIa
FDU — Flux Detector Unit
AGACS — Automatic Ground-Air Communications System
REL — Relative
RHSM — Reduced horizontal separation minimal
FWS — Flight Warning System
FDRS — Flight Data Recorder System
ENC — Electronic Noise Canceling
AGDL — Air-Ground Data Link
TCA — Throttle Control Assembly
EHS — Enhanced Surveillance
TTS — Time To Station
LMC — Lockheed Martin Corporation
TCN — Tacan
TR — Transceiver
SMS — Short Messaging Service
V/R — Voltage regulator
CAT II — Operational performance Category II
SSCVR — Solid-State Cockpit Voice Recorder
MFDS — Multi-Function Display System
VOR/MB — VOR marker beacon
RCVR — Receiver
RLG — Ring Laser Gyroscope
GPWC — Ground Proximity Warning Computer
RAI — Radio Altimeter Indicator
STARS — Standard Terminal Automation Replacement System
AHC — Attitude Heading Control
EEC — Engine Control Unit

BCRS — Back course
MDA — Minimum Decent Altitude
TAD — Terrain Awareness Display
WMS — Wide-Area Master Station
QNH — Barometric Pressure Adjusted To Sea Level
RVSM — Reduced Vertical Separation Minimum
FDPS — Flight plan Data Processing System
AHRS — Attitude and Heading Reference Systems
INHG — Inch of Mercury
V/L — VOR/Localizer
VOX — Voice transmission
IDS — Integrated Display System
SIU — Satellite Interface Unit
SQ — Squelch
ETOP — Extended-Range Twin-Engine Operation
CAT IIIB — Operational performance Category IIIb
SSCV/DR — Solid-state cockpit voice/data recorder
VG/DG — Vertical gyroscope/directional gyroscope
ASDL — Aeronautical Satellite Data Link
NCATT — National Center for Aircraft Technician Training
MSP — Modes S-Specific Protocol
EICAS — Engine indication crew alerting system
APS — Auto-Pilot System
BGAN — Broadcast Global Area Network
MAPS — Minimum Aviation Performance Standards
LX — Lightning
VG — Vertical Gyroscope
VPA — Vertical Path Approach
REL — Relative Exposure Limit
MMD — moving map display
V — voltage
VNR — Vhf Navigation Receiver
RALT — Radio Altimeter
ARIA — Apollo Range Instituteumentation Aircraft
MKR — Marker
SDF — Simplified Directional Facility
WMI — WXR indicator mount
BARO — Barometric
GGS — Global positioning system ground station
P-CODE — GPS precision code
PRA — Pre-Recorded Announcement
VOR/DME — VOR With Distance Measuring Equipment
STCA — Short-Term Conflict Alert
IAPS — Integrated Avionics Processing System
CAT IIIC — Operational performance Category IIIc
TGT — Turbine Gas Target
VDR — VHF Digital Radio
TWR — Terminal weather radar
VORTAC — VOR and TACAN combination
WRT — WXR receiver transmitter

HSL — heading select
PCL — Pilot Controlled Lighting
RCVR — Receiver Sequence Number
ANC — Active Noise Cancellation
VSM — Vertical separation limit
TAT — True Air Temperature
ATCSS — Air traffic control signalling system
TDR — Transponder
TCU — TACAN control unit
NAVCOMM — Navigation and communications equipment or receiver
UART — Universal Asynchronous Receiver Transmitters
T/R — Thrust Reverser
TWDR — Terminal Doppler Weather Radar
ISP — Integrated Switching Panel
VOR — VHF Omnidirectional Range And Ranging
ALTS — altitude select
GLNU — GPS landing and navigation unit
MNPS — [Minimmum navigation performance specifications]
FLTA — Forward-Looking Terrain Avoidance
GLS — GBAS Landing System
FOB — Fuel On-Board
TO/GA — Takeoff/Go-Around
DAPS — Downlink of aircraft parameters
RDR — Radar Data Recorder
HSD — high-speed data
PNR — Passive Noise Reduction
GLNS — GPS Landing and Navigation System
VNE — Never exceed speed
TK — Track Angle
VDL — VHF data link
PFD — Primary Flight Director
GAST — GBAS Approach Service Type
SSCV — Solid-State Cockpit Voice
MKP — Multi-function Keypad
APC — Auto Pilot Computer
GO — Go Around
ADMP — Automated Dry Material Placement
OBS — omnibearing selector
WMA — WXR waveguide adapter
HPR — High Pressure Rotor
UAS — Unmanned Aircraft Systems
DLR — Data link recorder
MSSS — Mode S-Specific Services
COM — Communications, Optics and Materials

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