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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
RF — Radio Frequency
LCD — Liquid Crystal Display
MSG — Message
ADC — Air Data Computer
SAR — Search And Rescue
RNG — Range
FD — Flight Director
ACMS — Aircraft Condition Monitoring System
RVR — Runway Visual Range
ALC — Automatic Level Control
CNS/ATM — Communication Navigation Surveillance/Air Traffic Management
APU — Auxiliary Power Unit
B RNAV — Basic area navigation
AFCS — Automatic Flight Control System
APM — Aircraft Personality Module
YD — Yaw Damper
ADM — Air Data Module
WPT — Waypoint
UAV — Unmanned Aerial Vehicle
DME — Distance Measuring Equipment
ATCRBS — Air Traffic Control Radar Beacon System
FAA — Federal Aviation Administration
VHF — Very High Frequency
ASR — Airport Surveillance Radar
MTBF — Mean Time Before Failure
MSA — Minimum Safe Altitude
ULB — Underwater Locator Beacon
CVR — Cockpit Voice Recorder
USB — Universal Serial Bus
PAR — Precision Approach Radar
FCS — Flight Control System (Subsystem)
WX — Weather
ANT — Antenna
R-NAV — Area navigation
ATC — Air traffic control
CRT — Cathode Ray Tube (type of TV)
SID — Standard Instrument Departure
NAS — National Airspace System
ALT — Altitude
RNP — Required Navigation Performance
AGC — Automatic Gain Control
DH — Decision Height
AIXM — Aeronautical Information Exchange Model
ASD — Aircraft Situation Display
FANS — Future Air Navigation System

ADF — Automatic Direction Finder
MF — Medium Frequency
GS — Ground Speed
RFI — Radio Frequency Interference
V/TRK — Vertical Track
FF — Fuel Flow
V/REF — Reference velocity
ND — Navigation Display
RPM — Revolutions Per Minute, (Rotations Per Minute)
V/NAV — Vertical navigation
PFD — Primary Flight Display
NM — Nautical Mile
HF — High Frequency
NOTAM — Notice to Airmen
GND — Ground
TCA — Terminal Control Area
NVD — Night Vision Device
ECU — Engine Control Unit
GCU — Generator Control Unit
ADIRS — Air Data Inertial Reference System
BITE — Built-In Test Equipment
EPR — Engine Pressure Ratio
DA — Decision Altitude
SNR — Signal-to-Noise Ratio
AIDS — Aircraft Integrated Data System
TBO — Time Between Overhaul
EADI — Electronic Attitude Director Indicator
HZ — cycles per second (hertz)
OWE/OEW — Operating Weight Empty/Operating Empty Weight
MTTF — Mean Time To Failure
CDI — Course Deviation Indicator
MM — Middle Marker
SUA — Special-Use Airspace
ACARS — Aircraft Communications Addressing and Reporting System
TAS — True Airspeed
MFD — Multi-Function Display
GBAS — Ground Based Augmentation System
RALT — Radar Altimeter
HDOP — Horizontal Dilution of Precision
ADIRU — Air Data Inertial Reference Unit
MEL — Minimum Equipment List
MAP — Manifold Absolute Pressure
SD — Secure Digital
ACP — Audio Control Panel
RTE — Route
CDTI — Cockpit display of traffic information
IMC — Instrument Meteorological Conditions
MCDU — Multi-purpose/Multi-function Control and Display Unit
XFR — Transfer
POS — Position

ENG — Engine
ARINC — Aeronautical Radio Incorporated
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
PAPI — Precision Approach Path Indicator (aviation)
GMT — Greenwich Mean Time (Zulu)
ANR — Active Noise Reduction
ANN — Annunciator
TCAS — Traffic Collision Avoidance System
INS — Inertial Navigation System
MIC — Microphone
VGA — Video Graphics Array
CNS — Communication Navigation Surveillance
ADI — Attitude director indicator
QAR — Quick Access Recorder
MCBF — Mean cycles between failures
IRS — Inertial Reference System
A/P — Autopilot
HUMS — Health and usage monitoring systems
ELT — Emergency Locator Transmitter
ADS — Air Data System
RLY — Relay
STAR — Standard Terminal Arrival Route
SAT — Static Air Temperature
FCC — Flight Control Computer
GHZ — Gigahertz
DAR — Designated Airworthiness Representative
GDOP — Geometric Dilution Of Precision
ACC — Area Control Centre
DGPS — Differential Global Positioning System
NORDO — No-Radio
FADEC — Full Authority Digital Engine Control
TDOP — Time Dilution of Precision
NMI — Nautical Mile
STC — Supplemental Type Certificate
HUD — Head-Up Display
HDG — Heading
SRS — Speed Reference System
CODEC — Coder/decoder
SELCAL — Selective Calling System
ALT HOLD — Altitude Hold Mode
XMSN — Transmission
ISA — International Standard Atmosphere
TAF — Terminal Area Forecast
G/S — Glide Slope
LRU — Line-Replaceable Unit
ADS — automatic dependent surveillance
EGPWS — Enhanced Ground-Proximity Warning System
DR — Data Recorder
TIS — Traffic Information Service
MILSPEC — Military Specification

MTBUR — Mean time between unscheduled removals
NFF — No Fault Found
STP — standard temperature and pressure (0° and 1 atm)
TCF — Terrain Clearance Floor
DCDU — Data link control and display unit
LPV — Localizer Performance with Vertical Guidance
VMC — visual meteorological conditions
AFDS — Autopilot Flight Director System
ROC — Rate of Climb
ACAS — Airborne Collision Avoidance System
RA — Resolution Advisory
VSI — Vertical Speed Indicator
EHSI — Electronic Horizontal Situation Indicator
ABAS — Aircraft-based Augmentation System
RDR — Radar
IVSI — Instantaneous Vertical Speed Indicator
VPATH — Vertical Path
CDA — Continuous Descent Approach
HSI — Horizontal Situation Indicator
CPS — Cycles Per Second (now Hertz)
VASI — Visual Approach Slope Indicator
ATCT — Airport Traffic Control Tower
ID — IDentifier
FREQ — Frequency
SQL — Squelch
LAAS — Local Area Augmentation System
PSU — Passenger Service Unit
SSR — secondary surveillance radar (ICAO/FAA)
WMSCR — Weather Message Switching Center Replacement
SAR — Smart ACMS Recorder
OAT — Outside Air Temperature
RMI — Radio Magnetic Indicator
PMG — Permanent Magnet Generator
SATNAV — Satellite Navigation
ADS-B — Automatic Dependent Surveillance-Broadcast
TWIP — Terminal Weather Information for Pilots
POF — Phase of Flight
NAVSTAR-GPS — NAVigation Satellite Timing And Ranging (The formal name for the space-borne or satellite navigation system)
CIP — Common Integrated Processor
DA — Drift Angle
TLA — Thrust Lever Angle
UHF — Ultrahigh Frequency
MB — Marker Beacon
FMGS — Flight Management and Guidance System
DG — Directional Gyroscope
TVE — Total Vertical Error
TGT — Turbine Gas Temperature
GPWS — Ground Proximity Warning System
JTIDS — Joint Tactical Information Distribution System (djay-tidz)
UTC — Universal Time Coordinate

CFIT — Controlled Flight into Terrain
COM — Communications Society
VNO — Maximum structural cruising speed
ROD — Rate Of Descent
NAVAID — Navigational Aid
EGT — Exhaust Gas Temperature
T/R — Transmitter/Receiver
KTAS — Knots True Airspeed
P-RNAV — Precision Area Navigation
SATCOM — Satellite Communication
MOA — Military operations area
HDG SEL — Heading Select
TRACON — Terminal Radar Approach Control
FAF — Final Approach Fixes
FIS-B — Flight Information Services - Broadcast
ATSU — Air Traffic Services Unit
OEW — Operating Empty Weight
PD — Profile Descent
SSFDR — Solid-State Flight Data Recorder
PDOP — Position Dilution of Precision
SPKR — Speaker
CPDLC — Controller–pilot data link communications
AMLCD — Active-matrix liquid crystal display
FMA — Flight Mode Annunciator
TAWS — Terrain Awareness Warning System
WAAS — Wide Area Augmentation System
EFIS — Electronic Flight Instrument System
AFDC — Autopilot Flight Director Computer
XMTR — Transmitter
TKE — TrackAngle Error
MRCA — Multi-Role Combat Aircraft
OCC — Operations control center
TOGA — Takeoff/Go-Around
WINDR — Wind Direction
CTAF — Common Traffic Advisory Frequency
TWDL — Two-Way Data Link
CWS — Control Wheel Steering
FMS — Flight management system
FG — Flight Guidance
ADS-A — Automatic Dependent Surveillance-Address
TX — Transmit
FLIR — forward-looking infra-red
V/S — Vertical speed
ACS — Audio Control System
LORAN — Long-Range Navigation
PAL — Pilot Activated Lighting
T/R — Transceiver
RX — Receiver
ASU — Avionics Switching Unit
CV/DFDR — Cockpit voice and digital flight data recorder

VFO — Variable Frequency Oscillators
AMS — Air Management System
LADGPS — Local area differential GPS
GLU — GPS Landing Unit
NPA — Non-Precision Approach
VSWR — Voltage Standing-Wave Ratio
SASP — Single Advanced Signal Processor
FAT — Free Air Temperature
DP — Departure procedures
EEC — Electronic Engine Control
TACH — Tachometer
VY — Speed for best rate of climb
PND — Primary Navigation Display (aviation)
RCR — Reverse Current Relay
DUAT — Direct User Access Terminal
ANT — Antenna Noise Temperature
FF — Free Flight
TERPS — Terminal Instrument Procedures
ADAHRS — Air Data And Attitude Heading Reference System
OM — Outer Marker (ILS)
THDG — True Heading
FBW — Fly-by-Wireless
LMM — Locator middle marker
TAT — Total Air Temperature
DVE — Degraded Visual Environment
WMSC — Weather Message Switching Center
RAIM — Remote Autonomous Integrity Monitoring
TA — Traffic Advisory
CAI — caution annunciator indicator
RAT — Reliability Assessment Testtmtram Air Turbine
BDI — Bearing Distance Indicator
LOM — Locator Outer Marker
ITT — Interstage Turbine Temperature
AFIS — Automatic Flight Information Service
IAS — Indicated AirSpeed
TERPS — terminal en route procedures
MOSART — Modular Open System Architecture
REIL — Runway end identifier lights
AFIS — Airborne Flight Information System
IDENT — Identifier
ENR — Electronic Noise Reduction
TR — Transmitter/Receiver
WYPT — Waypoint
ARIA — Apollo Range Instrumentation Aircraft
QRH — Quick Reference Handbook
TBO — Time Before Overhaul
AVIONICS — Aviation Electronics
RDR — Radar Departure Route
IND — Indicator
VX — Speed for best angle of climb

AOC — Aeronautical Operational Control
CAT I — Operational performance Category 1
OWE — Operating Weight Empty
XPDR — Transponder
AFD — Autopilot Flight Director
AT — Auto Throttle
XTK — Crosstrack
TOT — Turbine Outlet Temperature
NDB — Non-directional radio beacon
AGACS — Automatic Ground-Air Communications System
DFMC — Dual Frequency Multiple Constellation
GCAS — Ground Collision Avoidance System
LDGPS — local area differential global positioning satellite
MIDS — Multifunctional Information Distribution System
TCA — Throttle Control Assembly
PSR — Primary Surveillance Radar
LPR — Low Pressure Rotor
VSO — stall speed in landing configuration
FDU — Flux Detector Unit
MFDS — Multi-Function Display System
FDPS — Flight plan Data Processing System
TWDL — Terminal Weather Data Link
DNC — Direct noise canceling
TRANS — Transmit
FWS — Flight Warning System
AOP — Airport Operating Plan
AGDL — Air-Ground Data Link
FDRS — Flight Data Recorder System
STARS — Standard Terminal Automation Replacement System
ENC — Electronic Noise Canceling
EEC — Engine Control Unit
TAD — Terrain Awareness Display
QNH — Barometric Pressure Adjusted To Sea Level
AHRS — Attitude and Heading Reference Systems
TR — Transceiver
SMS — Short Messaging Service
CAT IIIA — Operational performance Category IIIa
SSCVR — Solid-State Cockpit Voice Recorder
GLNU — GPS landing and navigation unit
RHSM — Reduced horizontal separation minimal
RVSM — Reduced Vertical Separation Minimum
EHS — Enhanced Surveillance
LMC — Lockheed Martin Corporation
TCN — Tacan
RLG — Ring Laser Gyroscope
RAI — Radio Altimeter Indicator
V/L — VOR/Localizer
VOX — Voice transmission
V/R — Voltage regulator
EFD — Electronic Flight Display

ADS — Airworthiness Directives Subsystem
ISP — Integrated Switching Panel
IAPS — Integrated Avionics Processing System
CAT IIIB — Operational performance Category IIIb
NCATT — National Center for Aircraft Technician Training
WMI — WXR indicator mount
INHG — Inch of Mercury
HSD — high-speed data
CAT II — Operational performance Category II
REL — Relative
FLTA — Forward-Looking Terrain Avoidance
TTS — Time To Station
VOR/MB — VOR marker beacon
RCVR — Receiver
GPWC — Ground Proximity Warning Computer
AHC — Attitude Heading Control
PRA — Pre-Recorded Announcement
BCRS — Back course
REL — Relative Exposure Limit
SSCV/DR — Solid-state cockpit voice/data recorder
APS — Auto-Pilot System
T/R — Thrust Reverser
SDF — Simplified Directional Facility
IDS — Integrated Display System
SIU — Satellite Interface Unit
WMS — Wide-Area Master Station
ASDL — Aeronautical Satellite Data Link
MSP — Modes S-Specific Protocol
UART — Universal Asynchronous Receiver Transmitters
VORTAC — VOR and TACAN combination
BARO — Barometric
VOR — VHF Omnidirectional Range And Ranging
V — voltage
CAT IIIC — Operational performance Category IIIc
VNR — Vhf Navigation Receiver
MKR — Marker
TCU — TACAN control unit
TGT — Turbine Gas Target
VDR — VHF Digital Radio
BGAN — Broadcast Global Area Network
LX — Lightning
VG — Vertical Gyroscope
VPA — Vertical Path Approach
SQ — Squelch
MDA — Minimum Decent Altitude
MMD — moving map display
VG/DG — Vertical gyroscope/directional gyroscope
RALT — Radio Altimeter
EICAS — Engine indication crew alerting system
MAPS — Minimum Aviation Performance Standards

HSL — heading select
GLNS — GPS Landing and Navigation System
P-CODE — GPS precision code
ETOP — Extended-Range Twin-Engine Operation
VSM — Vertical separation limit
VOR/DME — VOR With Distance Measuring Equipment
ARIA — Apollo Range Instituteumentation Aircraft
TK — Track Angle
WMA — WXR waveguide adapter
NAVCOMM — Navigation and communications equipment or receiver
TO/GA — Takeoff/Go-Around
PFD — Primary Flight Director
GAST — GBAS Approach Service Type
TWDR — Terminal Doppler Weather Radar
RDR — Radar Data Recorder
PCL — Pilot Controlled Lighting
ANC — Active Noise Cancellation
ALTS — altitude select
TAT — True Air Temperature
STCA — Short-Term Conflict Alert
FOB — Fuel On-Board
TDR — Transponder
TWR — Terminal weather radar
WRT — WXR receiver transmitter
GGS — Global positioning system ground station
RCVR — Receiver Sequence Number
MNPS — [Minimmum navigation performance specifications]
GLS — GBAS Landing System
ATCSS — Air traffic control signalling system
HPR — High Pressure Rotor
DAPS — Downlink of aircraft parameters
MKP — Multi-function Keypad
VNE — Never exceed speed
VDL — VHF data link
GO — Go Around
ADMP — Automated Dry Material Placement
COM — Communications, Optics and Materials
PNR — Passive Noise Reduction
SSCV — Solid-State Cockpit Voice
APC — Auto Pilot Computer
OBS — omnibearing selector
UAS — Unmanned Aircraft Systems
DLR — Data link recorder
MSSS — Mode S-Specific Services

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