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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
ADC — Air Data Computer
MSG — Message
SAR — Search And Rescue
LCD — Liquid Crystal Display
FD — Flight Director
RNG — Range
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
ADM — Air Data Module
AFCS — Automatic Flight Control System
APM — Aircraft Personality Module
DME — Distance Measuring Equipment
B RNAV — Basic area navigation
UAV — Unmanned Aerial Vehicle
ATCRBS — Air Traffic Control Radar Beacon System
ASR — Airport Surveillance Radar
FAA — Federal Aviation Administration
VHF — Very High Frequency
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
ANT — Antenna
WX — Weather
FCS — Flight Control System (Subsystem)
ATC — Air traffic control
NAS — National Airspace System
YD — Yaw Damper
RNP — Required Navigation Performance
ALT — Altitude
DH — Decision Height
WPT — Waypoint
SID — Standard Instrument Departure
AIXM — Aeronautical Information Exchange Model
R-NAV — Area navigation
AGC — Automatic Gain Control
ASD — Aircraft Situation Display
MF — Medium Frequency
ADF — Automatic Direction Finder

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

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

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

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

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

AOC — Aeronautical Operational Control
DFMC — Dual Frequency Multiple Constellation
GCAS — Ground Collision Avoidance System
AT — Auto Throttle
CAT I — Operational performance Category 1
IDENT — Identifier
OWE — Operating Weight Empty
XPDR — Transponder
AFD — Autopilot Flight Director
NDB — Non-directional radio beacon
MIDS — Multifunctional Information Distribution System
TCA — Throttle Control Assembly
LPR — Low Pressure Rotor
LDGPS — local area differential global positioning satellite
DNC — Direct noise canceling
FDU — Flux Detector Unit
AGACS — Automatic Ground-Air Communications System
PSR — Primary Surveillance Radar
TRANS — Transmit
TOT — Turbine Outlet Temperature
AGDL — Air-Ground Data Link
QNH — Barometric Pressure Adjusted To Sea Level
EHS — Enhanced Surveillance
RVSM — Reduced Vertical Separation Minimum
FWS — Flight Warning System
FDPS — Flight plan Data Processing System
ISP — Integrated Switching Panel
CAT IIIA — Operational performance Category IIIa
VSO — stall speed in landing configuration
IAPS — Integrated Avionics Processing System
NCATT — National Center for Aircraft Technician Training
MFDS — Multi-Function Display System
LMC — Lockheed Martin Corporation
RLG — Ring Laser Gyroscope
ENC — Electronic Noise Canceling
RAI — Radio Altimeter Indicator
TWDL — Terminal Weather Data Link
AOP — Airport Operating Plan
EFD — Electronic Flight Display
ADS — Airworthiness Directives Subsystem
REL — Relative
TAD — Terrain Awareness Display
FDRS — Flight Data Recorder System
AHRS — Attitude and Heading Reference Systems
TR — Transceiver
SMS — Short Messaging Service
V/R — Voltage regulator
AHC — Attitude Heading Control
CAT II — Operational performance Category II
RHSM — Reduced horizontal separation minimal

STARS — Standard Terminal Automation Replacement System
TCN — Tacan
GPWC — Ground Proximity Warning Computer
EEC — Engine Control Unit
SSCVR — Solid-State Cockpit Voice Recorder
TTS — Time To Station
VOR/MB — VOR marker beacon
V/L — VOR/Localizer
BCRS — Back course
CAT IIIB — Operational performance Category IIIb
V — voltage
SSCV/DR — Solid-state cockpit voice/data recorder
ASDL — Aeronautical Satellite Data Link
APS — Auto-Pilot System
RCVR — Receiver
IDS — Integrated Display System
SIU — Satellite Interface Unit
SQ — Squelch
PRA — Pre-Recorded Announcement
MDA — Minimum Decent Altitude
GLNU — GPS landing and navigation unit
WMS — Wide-Area Master Station
RALT — Radio Altimeter
BGAN — Broadcast Global Area Network
BARO — Barometric
INHG — Inch of Mercury
VOX — Voice transmission
LX — Lightning
HSD — high-speed data
ETOP — Extended-Range Twin-Engine Operation
FLTA — Forward-Looking Terrain Avoidance
MMD — moving map display
VG/DG — Vertical gyroscope/directional gyroscope
CAT IIIC — Operational performance Category IIIc
MSP — Modes S-Specific Protocol
EICAS — Engine indication crew alerting system
SDF — Simplified Directional Facility
MAPS — Minimum Aviation Performance Standards
HSL — heading select
VG — Vertical Gyroscope
VPA — Vertical Path Approach
GLNS — GPS Landing and Navigation System
P-CODE — GPS precision code
ANC — Active Noise Cancellation
ALTS — altitude select
VOR/DME — VOR With Distance Measuring Equipment
REL — Relative Exposure Limit
ARIA — Apollo Range Instituteumentation Aircraft
FOB — Fuel On-Board
VNR — Vhf Navigation Receiver

MKR — Marker
TGT — Turbine Gas Target
UART — Universal Asynchronous Receiver Transmitters
WMI — WXR indicator mount
RDR — Radar Data Recorder
PCL — Pilot Controlled Lighting
VSM — Vertical separation limit
TAT — True Air Temperature
STCA — Short-Term Conflict Alert
TCU — TACAN control unit
VDR — VHF Digital Radio
NAVCOMM — Navigation and communications equipment or receiver
T/R — Thrust Reverser
TWR — Terminal weather radar
VORTAC — VOR and TACAN combination
PFD — Primary Flight Director
WRT — WXR receiver transmitter
GGS — Global positioning system ground station
RCVR — Receiver Sequence Number
VOR — VHF Omnidirectional Range And Ranging
ATCSS — Air traffic control signalling system
TDR — Transponder
TO/GA — Takeoff/Go-Around
GAST — GBAS Approach Service Type
TWDR — Terminal Doppler Weather Radar
MNPS — [Minimmum navigation performance specifications]
GLS — GBAS Landing System
VDL — VHF data link
ADMP — Automated Dry Material Placement
WMA — WXR waveguide adapter
DAPS — Downlink of aircraft parameters
PNR — Passive Noise Reduction
VNE — Never exceed speed
TK — Track Angle
GO — Go Around
SSCV — Solid-State Cockpit Voice
MKP — Multi-function Keypad
APC — Auto Pilot Computer
DLR — Data link recorder
OBS — omnibearing selector
HPR — High Pressure Rotor
UAS — Unmanned Aircraft Systems
MSSS — Mode S-Specific Services
COM — Communications, Optics and Materials

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