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ABBREVIATIONS on Aviation Industry you Need to Know


ACA Arctic Control Area
ACAS Airborne Collision Avoidance System
ACC Area Control Centre
ADC Air Defence Command
ADCUS Advise Customs
ADF Automatic Direction Finding Equipment
ADIS Automated Data Interchange System
ADIZ Air Defence Identification Zone
ADMIS Aircraft Departing with Minimum Separation (minutes)
AFF Aircraft Fire Fighting
AFTN Aeronautical Fixed Telecommunications Network
AGDL Air-Ground Datalink
AGL Above Ground Level
A.I.P. Aeronautical Information Publication
AIRFL Air Refuelling
ALSF2 High Intensity Approach Lighting System Category II configuration with RAIL
ALTRV Altitude Reservation
ALTRV APVL Altitude Reservation Approval
AMA Area Minimum Altitude
AMIS Aircraft Movement Information Service
AMSCR Aircraft Movement Surface Condition Report
AOR Area of Responsibility
APREQ Approval Request
APVL Approval
ARE Altitude Reservations East
Air Route Traffic Control Center
ARW Altitude Reservations West
ASDE Airport Surface Detection Equipment
ASL Above Sea Level
ATC Air Traffic Control
ATC MANOPS Air Traffic Control Manual of Operations
ATIS Automatic Terminal Information Service
ATS Air Traffic Services
AVANA Approval Void if Aircraft Not Airborne by (time)
BDRY Boundary
CADORS Civil Aviation Daily Occurrence Reporting System
CAVOK Ceiling and Visibility OK (See Definition)
CCT Circuit
CELNAV Celestial Navigation Training
CIRVIS Communication Instructions for Reporting Vital Intelligence Sightings
CIV Civil
CJS Controller Jurisdiction Symbol
CST Coast
CTA Control Area
CVFR Controlled VFR
DAH Designated Airspace Handbook
DC Dangerous Cargo
DCPC Direct Controller-Pilot Communication
DEF Discrete Emergency Frequency
DF Direction Finding
DME Distance Measuring Equipment
DND Department of National Defence
DSCND Descend
DSE Display Site Equipment
Downwind Termination Waypoint
DVFR Defence VFR
ECC Emergency Coordination Centre
ECM Electronic Counter-Measures
EET Estimated Elapsed Time
ELT Emergency Locator Transmitter
ETA Estimated Time of Arrival
ETD Estimated Time of Departure
ETE Estimated Time En Route
EXCDS Extended Computer Display System
FACF Final Approach Course Fix
FAF Final Approach Fix
FIR Flight Information Region
FL Flight Level
Flight Management System
FP Flight Plan
FSS Flight Service Station
GAATS Gander Automated Air TrafficSystem
GEOREF Geographical Reference
GND Ground
GNE Gross Navigation Error
GPWS Ground Proximity Warning System
HLA High-Level Airspace
IAS Indicated Airspeed
IBASF Interval Between Aircraft in StreamType Formation (minutes)
IBCSF Interval Between Cells in StreamType Formation (minutes)
ICAO International Civil Aviation Organization
IFPFP Individual Flight Plan From this Point
IFR Instrument Flight Rules
ILS Instrument Landing System
IMC Instrument Meteorological Conditions
INS Inertial Navigation System
IPS Interruptible Power Supply
ISSR Independent Secondary Surveillance Radar
IVAO International Virtual Aviation Organization
kHz Kilohertz
LAHSO Land and Hold Short 
LLA Low-Level Airspace
LTD Along Track Distance
LVLOF Level Of
MALSR Medium Intensity Approach Lighting System with RAIL
MANOT Missing Aircraft Notice (See Definition)
MARSA Military Assumes Responsibility for Separation of Aircraft (See Definition)
MB Millibars
MCP Maintenance Control Position
MEA Minimum En Route Altitude
MET Meteorological or Meteorology
MHz Megahertz
MNPS Minimum Navigation Performance Specifications
MOA Military Operations Area
MOCA Minimum Obstruction Clearance Altitude
MRA Minimum Reception Altitude
MVA Minimum Vectoring Altitude
NADS Northern Airspace Display System
NAR North American Route
NAT North Atlantic
NAVAID Navigation Aid (See Definition)
NCA Northern Control Area
NDB Non-Directional Beacon
NM Nautical Miles
NOF International NOTAM Office
NOPAR Do Not Pass to Air Defence Radar
NORDO No Radio
NOZ Normal Operating Zone
NTZ No Transgression Zone
OAC Oceanic Area Control Centre
OCA Oceanic Control Area
ODALS Omni Directional Approach Lighting Systems
OIDS Operational Information Display System
OMNI Omnirange
OSAF Operational Software Adaption Facility
Open Skies Treaty designator
PADRA Pass to Air Defence Radar
PAL Peripheral
PAPI Precision Approach Path Indicators
PAR Precision Approach Radar
PARROT Position Adjustable Range Reference Orientation Transponder
PDC Pre-Departure Clearance
PED Position Entry Device
Pilot Report of Weather Conditions Encountered by Aircraft in Flight
PLN Plan
PPI Plan Position Indicator
PPS Present Position Symbol
PSR Primary Surveillance Radar
QNH Altimeter Setting for Altitude Above Sea Level
RAIL Runway Alignment Indicator Lights (Sequenced Flashing Lights)
RBL Range Bearing Line
RCC Rescue Coordination Centre
RCO Remote Communications Outlet
RDPS Radar Data Processing System
RNAV Area Navigation
Required Navigation Performance Capability
RONLY Receiver Only
RSC Runway Surface Condition
RSE Radar Site Equipment
RSiT RDPS Situation Display
Runway Visual Range
RVSM Reduced Vertical Separation Minimum
RWY Runway
SAOC Sector Air Operations Control Centre
SCA Southern Control Area
SELCAL Selective Calling System
SID Standard Instrument Departure
SIR Scramble, Intercept, and Recovery
SIRO Simultaneous Intersecting Runway Operations
SSALR Simplified Short Approach Lighting System with RAIL
SSR Secondary Surveillance Radar
Supersonic Transport
STAR Standard Terminal Arrival
STOL Short Takeoff and Landing
SVFR Special VFR
TACAN Tactical Air Navigation Aid
TAS True Airspeed
TAWS Terrain Awareness and Warning System
TCAS Traffic Alert and Collision Avoidance System
TCU Terminal Control Unit
TRA Tower Radar Area
TRP Tower Radar Plan
TSB Transportation Safety Board
TSR Terminal Service Radar
TVOR Terminal VOR
TWR Control Tower
UHF Ultra High Frequency
UPS Uninterruptible Power Supply
UTC Coordinated Universal Time
VASIS Visual Approach Slope Indicator System
VDF VHF Direction Finding System
VFR Visual Flight Rules
VHF Very High Frequency
VIP Very Important Person
VMC Visual Meteorological Conditions
VMI Vertical Movement Indicator
VOR VHF Omnidirectional Range
VORTAC Collocated VOR and TACAN
VSP Variable System Parameter
WS Wind Shear
Z Coordinated Universal