°T |
Bearing (true) |
AIS |
°M |
Bearing (magnetic) |
AIS |
A |
Amber |
ICAO |
A/A |
Air to air |
AIS |
A/G |
Air-to-ground |
AIS |
AAA |
Amended meterological message |
ICAO |
AAAA |
Aerial Application Association of Australia |
|
AAC |
Airworthiness Advisory Circular |
CAR 1988 |
AACC |
Area approach control centre |
AIS |
AAD |
Assigned altitude deviation |
AIS |
AAIM |
Aircraft Autonomous Integrity Monitor |
|
AAIS |
Automatic aerodrome information service |
AIS |
AAL |
Above aerodrome level |
AIS |
AAR |
Authorised Airworthiness Representative |
CASR Part 183 |
AAT |
Administrative Appeals Tribunal |
|
ABAA |
Amateur Built Aircraft Acceptance |
CASR Part 21 |
ABAS |
Aircraft Based Augmentation System |
|
ABF |
Australian Ballooning Federation |
|
ABI |
Advance boundary information |
AIS |
ABM |
Abeam |
AIS |
ABN |
Aerodrome beacon |
AIS |
ABT |
About |
AIS |
ABV |
Above… |
AIS |
AC |
Advisory Circular |
CASR 1998 |
AC |
Altocumulus (met) |
ICAO/AIP |
ACA |
Australian Commonwealth Authority |
|
ACARS |
Aircraft communication addressing and reporting system (pronounced ‘AY-CARS’) |
AIS |
ACAS |
Airborne Collision Avoidance System |
CAR 1988 |
ACC |
Area control centre |
AIS |
ACCID |
Initial notification of an aircraft accident |
AIS |
ACD |
Airways clearance delivery |
AIS |
ACFT |
Aircraft |
AIS |
ACJ-XXX |
Advisory Circular Joint (issued by the JAA, can be followed by a country code) |
JAA |
ACK |
Acknowledge |
AIS |
ACL |
Altimeter check location |
ICAO |
ACN |
Aircraft classification number |
ICAO |
ACN |
Australian company number |
|
ACPT |
Accept, accepted |
AIS |
ACROB |
Acrobatics |
|
Act |
the Civil Aviation Act 1988 |
|
ACT |
Active, activated, activity |
AIS |
AD |
Aerodrome |
ICAO/AIP |
AD |
Airworthiness Directive |
CASR Part 39 |
ADA |
Advisory area |
ICAO |
ADAO |
Authorised Design Approval Organisation |
CASR Part 146 |
ADC |
Aerodrome chart |
AIS |
ADDGM |
Aerodrome diagrams |
AIS |
ADDN |
Addition, additional |
AIS |
ADF |
Automatic Direction Finding (equipment) |
AIS |
ADF |
Australian Defence Force |
|
ADIZ |
Air Defence Identification Zone |
ICAO/AIS |
ADJ |
Adjacent |
AIS |
ADO |
Aerodrome office |
ICAO |
ADQ |
Adequate aerodrome |
AIS |
ADR |
Advisory route |
|
ADS |
The address (when this abbreviation is used to request a repetition, the question (IMI) precedes the abbreviation, eg IMI ADS) (to be used in AFS as a procedure signal) |
ICAO/AIP |
ADS |
Automatic Dependent Surveillance |
AIP/ICAO |
ADS-B |
Automatic Dependent Surveillance – Broadcast |
AIP |
ADS-C |
Automatic Dependent Surveillance – Contract |
AIP |
ADSU |
Automatic Dependent Surveillance Unit |
ICAO |
ADZ |
Advise |
AIS |
AEB |
CASA’s Airworthiness Engineering Branch |
CASA |
AEP |
Aerodrome emergency plan |
AIS |
AER |
Authorised Engineering Representative |
CASR Part 183 |
AERIS |
Automatic en route information service |
AIS |
AFAP |
Australian Federation of Air Pilots |
|
AFCS |
Automatic flight control system |
ICAO |
AFIL |
Flight notification: – filed in the air, or – indicating the position at which ATS services will first be required |
AIS |
AFIS |
Aerodrome flight information service |
ICAO/AIP |
AFM |
Aircraft Flight Manual |
CAR 1988 |
AFM |
Yes, affirm, affirmative, that is correct |
AIS |
AFRU |
Aerodrome Frequency Response Unit (also known as a “beepback” unit) |
AIS |
AFS |
Aeronautical fixed service |
ICAO/AIP |
AFT |
After |
AIS |
AFTN |
Aeronautical fixed telecommunication network |
ICAO |
AFZ |
Australian fishing zone(s) |
AIS |
Ag |
Agriculture |
|
AGA |
Again |
ICAO |
AGD |
Attorney-General’s Department |
|
AGL |
Above Ground Level |
ICAO/AIP |
AH |
Artificial Horizon |
|
AH |
After hours |
AIS |
AIC |
Aeronautical Information Circular |
AIP |
AIDC |
Air traffic services inter-facitility data communications |
ICAO |
AIP |
Aeronautical Information Publication |
ICAO/AIP |
AIP ENR |
Aeronautical Information Publication En-route |
|
AIP ERSA |
Aeronautical Information Publication En-route Supplement Australia |
|
AIP GEN |
Aeronautical Information Publication General |
|
AIRAC |
Aeronautical Information Regulation and Control |
ICAO/AIP |
AIRC |
Aeronautical Information and Control |
ICAO |
AIREP |
Air-Report |
AIP/ICAO |
AIRMET |
Information in plain language concerning weather significant to light aircraft operations at or below 10,000FT |
AIS |
AIS |
Aeronautical Information Service |
AIP |
AL |
Approach Lights |
AIS |
ALA |
Aircraft Landing Area |
AIP |
ALA |
Alighting area |
ICAO |
ALA/HLS |
Aircraft Landing Area/Helicopter Landing Site |
|
ALAEA |
Australian Licensed Aircraft Engineers Association |
|
ALARP |
As Low as Reasonably Practical |
AIS |
ALERFA |
Alert phase |
AIS |
ALI |
Airworthiness Limitation Item |
|
ALM |
Aircraft Landing Minima |
AIS |
ALR |
Alerting Message |
AIS |
ALRS |
Approach lighting system |
ICAO |
ALS |
Approach Lighting System |
AIS |
ALT |
Altitude |
AIS |
ALTN |
Alternate, Alternating (light alternates in colour) |
AIS |
ALTN |
Alternate (aerodrome) |
AIS |
AMA |
Area minimum altitude |
ICAO |
AMC |
Acceptable Means of Compliance |
|
AMD |
Amend, Amended |
AIS |
AMDT |
Amendment (AIP amendment) |
ICAO/AIP |
AME |
Aircraft Maintenance Engineer |
CASR Part 66 |
AMM |
Aircraft Maintenance Manual |
WATOG |
AMO |
Approved Maintenance Organisation |
CASR Part 145 |
AMP |
Aircraft Maintenance Program |
CASR Part 145 |
AMPA |
Authorised Maintenance Personnel Assessor |
CASR Part 66 |
AMRD |
Australian Maintenance Requirements Document |
CASR Part 43 |
AMS |
Aircraft Maintenance Specialist |
CASR Part 145 |
AMSA |
Australian Maritime Safety Authority |
|
AMSL |
Above Mean Sea Level |
AIS |
AMSS |
Aeronautical mobile satellite service |
ICAO |
AMT |
Aircraft Maintenance Technician |
CASR Part 66 |
ANA |
Air Navigation Act |
|
ANC |
Aeronautical Chart 1:50,000 (followed by name/title) |
AIS |
ANCS |
Aeronautical navigation chart – small scale (followed by name/title and scale) |
ICAO |
ANO |
Air Navigation Order |
|
ANS |
Answer |
ICAO |
ANTA |
Australian National Training Authority |
CASR Part 66 |
ANVIS |
Aviator Night Vision Imaging Systems |
|
AO |
Air Operator |
|
AOC |
Air Operators Certificate |
CASR Part 119 |
AOC |
Aerodrome Obstacle Chart (followed by name/title) |
AIS/AIP |
AOCM |
Air Operators Certification Manual |
|
AOD |
Alcohol and Other Drug |
CASA |
AOG |
Aircraft On Ground |
WATOG |
AOPA |
Aircraft Owners and Pilots Association |
|
AP |
Airport |
AIS |
APAPI |
Abbreviated Precision Approach Path Indicator (pronounced ‘AY-PAPI’) |
AIS |
APCH |
Approach |
AIS |
APDC |
Aircraft Parking/Docking Chart (followed by name/title) |
AIS |
APF |
Australian Parachute Federation |
|
APMA |
Australian Parts Manufacturer Approval |
CASR Part 21 |
APN |
Apron |
ICAO/AIP |
APP |
Approach Control |
AIS |
APRX |
Approximate, Approximately |
AIS |
APSG |
After Passing |
AIS |
APU |
Auxillary power unit |
ICAO |
APV |
Approach with Vertical Guidance |
|
APV |
Approve, Approved, Approval |
AIS |
AQZ |
Area QNH Zone |
AIS |
ARC |
Area Chart |
ICAO/AIP |
ARFFS |
Aerodrome Rescue and Fire Fighting Service (sometimes referred to as RFFS) |
CASR Part 139 |
ARFL |
Aeroplane Reference Field Length |
AIS |
ARFO |
Area Forecast |
|
ARH |
Aircraft Registration Holder |
CASR Part 47 |
ARM |
Airspace Risk Model |
ICAO/CASA |
ARM |
Aircraft Recovery Manual |
WATOG |
ARN |
Aviation Reference Number |
CASA/AIP |
ARNG |
Arrange |
AIS |
ARO |
Air traffic services reporting office |
ICAO |
ARP |
Aerodrome reference point |
ICAO/AIP |
ARP |
Air-Report (message type designator) |
ICAO/AIP |
ARQ |
Automatic error correction |
ICAO |
ARR |
Arrive, Arrival |
AIS |
ARS |
Special Air-Report (message type designator) |
AIS |
ARST |
Arresting (specify (part of) aircraft arresting equipment) |
ICAO |
AS |
Altostratus (meteorological) |
ICAO/AIP |
AS |
Australian Standard |
|
ASA |
Australian Skydiving Association |
|
ASAC |
Australian Sports Aviation Confederation |
|
ASAP |
As Soon as Possible |
AIS |
ASC |
Ascend to or ascending |
ICAO |
ASDA |
Accelerate-stop distance available |
ICAO |
ASE |
Airborne Support Equipment |
WATOG |
ASE |
Altimetry System Error |
ICAO/AIP |
ASEPTA |
Approved Single-engine Turbine Aeroplane |
|
ASF |
Aviation Safety Forum |
AIS |
ASH |
Aviation Services Handbook |
|
ASI |
Air Speed Indicator |
|
ASI |
Aviation Safety Index |
|
ASIR |
Aviation Safety Incident Report |
|
ASPH |
Asphalt |
ICAO |
ASR |
Area Surveillance Radar |
AIS |
ASRA |
Australian Sport Rotorcraft Association |
|
ASSI |
Air Safety Support International- a wholly-owned subsidiary of the UK Civil Aviation Authority |
Air Safety Support International (UK) |
ASTM |
American Society for Testing Materials |
|
ASTRA |
Australian Strategic Air Traffic Management Group |
|
AT-VASIS |
Abbreviated ‘T’ Visual Approach Slope Indicator System (pronounced ‘AY-TEE-VASIS’) |
AIS |
AT… |
At (followed by time at which weather change is forecast to occur) |
ICAO |
ATA |
Actual Time of Arrival |
AIS |
ATA |
Air Transport Association |
|
ATC |
Air Traffic Control (in general) |
ICAO/AIP |
ATD |
Actual Time of Departure |
AIS |
ATE |
Automatic Test Equipment |
WATOG |
ATEL/ANAV |
Aeronautical Telecommunication and Radio Navigation Services |
CASR Part 171 |
ATFM |
Air Traffic Flow Management |
AIS |
ATIS |
Automatic terminal information service |
ICAO |
ATM |
Air traffic management |
ICAO/AIP |
ATN |
Aeronautical telecommunications network |
ICAO |
ATO |
Aviation Testing Officer |
|
ATP |
At.. (time or place) |
ICAO |
ATPL |
Airline Transport Pilot Licence |
|
ATS |
Air Traffic Service(s) |
|
ATSB |
Australian Transport Safety Bureau |
|
ATSO |
Australian Technical Standard Order |
CASR Part 21 |
ATSOA |
Australian Technical Standard Order Authorisation |
CASR Part 21 |
ATTN |
Attention |
AIS |
ATZ |
Aerodrome traffic zone |
ICAO |
AUF |
Australian Ultralight Federation (now Recreational Aviation Australia) |
|
AUTH |
Authorised, Authorisation |
AIS |
AUW |
All Up Weight |
AIS |
AUX |
Auxiliary |
AIS |
AVBL |
Available |
AIS |
AVG |
Average |
AIS |
AVGAS |
Aviation Gasoline |
AIS |
AVM |
Abrupt Vertical Manoeuvres (by the MIL) |
AIS |
AWB |
Airworthiness Bulletin |
|
AWIB |
Aerodrome Weather Information Broadcast |
AIS |
AWK |
Aerial Work (Air work – general aviation) |
AIS |
AWS |
Automatic Weather Station |
AIS |
AWTA |
Advise as to what time is available |
ICAO |
AWY |
Airway |
ICAO/AIP |
AZM |
Azimuth |
ICAO/AIP |
B |
Blue |
ICAO/AIP |
BA |
Braking action |
ICAO |
BASA |
Bilateral Aviation Safety Agreement |
|
BASE |
Cloud Base (met) |
AIS |
BCFG |
Fog Patches (met) |
AIS |
BCN |
Beacon (aeronautical ground light) |
AIS |
BCST |
Broadcast |
AIS |
BDRY |
Boundary |
AIS |
BECMG |
Becoming |
AIS |
BETA |
Manually controlled mode for constant speed propellers or turbo prop aircraft |
|
BFR |
Before |
AIS |
BIP-M |
Basic Instruction Package for Meteorologists |
|
BIPMT |
Basic Instruction Package for Meteorological Technicians |
|
BITE |
Built In Test Equipment |
WATOG |
BKN |
Broken (cloud descriptor) (met) |
AIS |
BL… |
Blowing (followed by DU=dust, SA=sand or SN=snow) |
AIS |
BLDG |
Building |
AIS |
BLO |
Below Clouds |
AIS |
BLW |
Below |
AIS |
BOM |
Bureau of Meteorology |
AIS |
BOMB |
Bombing |
AIS |
BR |
Mist |
AIS |
BRF |
Short (used to indicate type of approach) |
AIS |
BRG |
Bearing |
AIS |
BRKG |
Braking |
AIS |
BRW |
Brakes release weight |
|
BS |
Broadcasting Station (Commercial) |
AIS |
BTL |
Between Layers |
AIS |
BTN |
Between |
AIS |
C |
Degrees Celsius (Centigrade) |
AIS |
C |
Centre (Runway) |
AIS |
CA |
Course Acquisition |
|
CA/GRO |
Certified Air/Ground Radio Operator |
CASR Part 139 |
CA/GRS |
Certified Air/Ground Radio Service |
CASR Part 171 |
CAA NZ |
Civil Aviation Authority New Zealand |
|
CAAP |
Civil Aviation Advisory Publication |
CAR 1988 |
CAGRO |
Certified Air Ground Radio Operation |
AIP |
CAMO |
Continuing Airworthiness Management Organisation |
|
CAMP |
Continuous Airworthiness Maintenance Program |
CASR Part 145 |
CAO |
Civil Aviation Order |
|
CAR |
Civil Aviation Regulations 1988 |
|
CAS |
Calibrated air speed |
ICAO |
CASA |
Civil Aviation Safety Authority |
|
CASR |
Civil Aviation Safety Regulations 1998 |
|
CAT |
Category |
AIS |
CAT |
Clear Air Turbulence |
AIS |
CAVOK |
Visibility, cloud and present weather better than prescribed values or conditions |
AIS |
CB |
Cumulonimbus (met) |
AIS |
CBT |
Competency-based Training |
|
CC |
Cirrocumulus (met) |
AIS |
CCA |
Corrected meteorological message (for CCB, CCC..etc., in sequence) (message type designator) |
ICAO |
CCF |
Capability Check Flight |
|
CCTS |
Circuits |
AIS |
CD |
Candela |
ICAO |
CDCCL |
Critical Design Configuration Control Limit |
|
CDI |
Course Direction Indicator |
|
CDL |
Configuration Deviation List |
CASR Part 43 |
CDN |
Coordination (message type designator) |
ICAO |
CEN |
En Route and Area ATC unit |
AIS |
CEO |
Chief Executive Officer |
|
CET |
Clearance Expiry Time |
AIS |
CF |
Change Frequency to |
AIS |
CFI |
Chief Flying Instructor |
CAR 1988 |
CFIT |
Controlled Flight into Terrain |
|
CFL |
Cleared Flight Level |
AIS |
CFM |
Confirm, I confirm |
AIS |
CG |
Centre of gravity |
ICAO |
CGL |
Circling guidance light(s) |
ICAO |
CH |
This is a channel continuity check of transmission to permit comparision of your record of channel-sequence numbers of messages received on the channel (to be used in AFS as a procedure signal) |
ICAO |
CHG |
Modification (message type designator) |
ICAO |
CHTR |
Charter |
AIS |
CI |
Cirrus (met) |
AIS |
CIDIN |
Common ICAO data interchange network |
ICAO |
CIR |
Command Instrument Rating |
CAR 1988 |
CIT |
Near, Over Large Town(s) |
AIS |
CIV |
Civil |
AIS |
CK |
Check |
AIS |
CL |
Centre Line |
AIS |
CLA |
Clear type of ice formation |
AIS |
CLBR |
Calibration |
AIS |
CLD |
Cloud (met) |
AIS |
CLG |
Calling |
AIS |
CLIAS |
Climbing Indicated Airspeed |
AIS |
CLMAX |
Maximum Co-efficient of Lift |
|
CLR |
Clear, Cleared to… Clearance |
AIS |
CLSD |
Closed, Close, Closing |
AIS |
CM (cm) |
Centimetre |
AIS |
CMB |
Climb to or Climbing to |
AIS |
CMM |
Component Maintenance Manual |
WATOG |
CMPL |
Configuration, Maintenance and Procedures |
|
CMPL |
Completion, Completed, or Complete |
AIS |
CMR |
Certification Maintenance Requirements |
|
CMSD |
Commissioned |
AIS |
CNL |
Cancel |
AIS |
CNL |
Flight plan cancellation message |
AIS |
CNS |
Communications, Navigation and Surveillance |
AIS |
COA |
Certificates of Approval (issued to maintenance organisations) |
CAR 1988 |
CofA |
Certificate of Airworthiness |
CAR 1988 |
COM |
Communications |
AIS |
CONC |
Concrete |
AIS |
COND |
Condition |
AIS |
CONS |
Continuous |
AIS |
CONST |
Construction, Constructed |
AIS |
CONT |
Continue(s), Continued |
AIS |
COOR |
Coordinate, Coordinated |
AIS |
COORD |
Coordinates |
AIS |
COP |
Change over point |
ICAO |
CoR |
Certificate of Registration |
CAR 1988 |
COR |
Correct, Corrected, Correction |
AIS |
COS |
Conical Surface |
AIS |
COT |
At the Coast, Coastal |
AIS |
COV |
Cover, Covered, Covering |
AIS |
CP |
Chief Pilot |
CAR 1988 |
CPDLC |
Controller-Pilot Data Link Communication |
ICAO/AIP |
CPL |
Commercial Pilot Licence |
CAR 1988 |
CPL |
Current flight plan |
ICAO |
CRC |
Cyclic redundancy check |
ICAO |
CRIS |
Cost Recovery Impact Statement |
Department of Finance |
CRM |
Crew Resource Management |
CASR Part 121 |
CRZ |
Cruise |
AIS |
CS |
Cirrostratus (met) |
AIS |
CS |
Call sign |
AIS |
CSDD |
Common Support Data Dictionary published by the Air Transport Association of America (ATA). The CSDD replaces the WATOG. |
|
CSU |
Constant Speed Unit |
|
CTA |
Control Area |
AIS |
CTAF |
Common Traffic Advisory Frequency |
CASR Part 172/AIP |
CTAF(R) |
Common Traffic Advisory Frequency – (Radio) |
AIS |
CTAM |
Climb to and maintain |
ICAO |
CTC |
Category Technical Competency |
CAR 1988 |
CTC |
Contact |
ICAO/AIP |
CTL |
Control |
AIS |
CTN |
Caution |
AIS |
CTR |
Control Zone |
AIP |
CU |
Cumulus (met) |
AIS |
CUF |
Cumuliform (met) |
AIS |
CUST |
Customs |
AIS |
CVR |
Cockpit voice recorder |
ICAO/AIP |
CW |
Carrier Wave |
ICAO |
CWY |
Clearway |
AIS |
D |
Deleted |
AIS |
D |
Downward (tendency in RVR (Runway visual range) during previous 10 minutes) |
ICAO |
D-ATIS |
Data Link Automatic Terminal Information Service (pronounced’DEE-ATIS’) |
AIS |
D-VOLMET |
Data Link VOLMET |
AIS |
D… |
Danger Area (followed by identification) |
AIS |
DA |
Decision Altitude |
AIS |
DA/H |
Decision Altitude/Height |
AIP |
DALR |
Dry Adiabatic Lapse Rate |
|
DAME |
Designated Aviation Medical Examiner |
CASR Part 67 |
DAO |
Designated Aviation Ophthamologist |
CASR Part 67 |
DAP |
Departure and Approach Procedures |
AIP |
DCD |
Double channel duplex |
ICAO |
DCKG |
Docking |
AIS |
DCMSD |
Decommissioned |
AIS |
DCPC |
Direct Controller-Pilot Communications |
AIS |
DCS |
Double channel simplex |
ICAO |
DCT |
Direct (in relation to flight plan clearances and type of approach) |
AIS |
DE |
Form (used to preceed the call sign of the calling station) (to be used in AFS as a procedure signal) |
ICAO/AIP |
DEC |
December |
AIS |
DEG |
Degrees |
AIS |
DEP |
Depart, Departure, Departed, Departing, Departure Message |
AIS |
DER |
Departure End of Runway |
AIP |
DER |
Designated Engineering Representative |
FAR |
DES |
Descend to, Descending to |
AIS |
DEST |
Destination |
AIS |
DETRESFA |
Distress Phase |
AIS |
DEV |
Deviation, Deviating |
AIS |
DF |
Direction Finder/ Finding |
AIS |
DFDR |
Digital Flight Data Recorder |
AIS |
DFTI |
Distance from touchdown indicator |
ICAO |
DGA |
Distance Measuring Equipment or Global Positioning Satellite System Arrival |
|
DH |
Decision Height |
ICAO |
DIF |
Diffuse |
AIS |
DISP |
Displaced |
AIS |
DIST |
Distance |
AIS |
DIV |
Diversion, Divert, Diverting |
AIS |
DLA |
Delay (message type designator) |
ICAO/AIP |
DLIC |
Data Link Initiation Capability |
AIS |
DLY |
Daily |
AIS |
DMC |
Direct Maintenance Cost |
WATOG |
DME |
Distance Measuring Equipment |
ICAO/AIP |
DMEN |
DME (International) |
AIS |
DMEP |
DME (International Precision used in conjunction with Microwave Landing System) |
AIS |
DNG |
Danger, Dangerous |
AIS |
DOC |
Direct Operating Cost |
WATOG |
DOC |
Documents |
AIS |
DoD |
Department of Defence |
|
DOM |
Domestic |
AIS |
DP |
Dew Point Temperature |
ICAO/AIP |
DP |
Discussion Paper |
CASA |
DPT |
Depth |
AIS |
DR |
Dead Reckoning (navigation) |
ICAO |
DR… |
Low drifting (followed by DU=dust, SA=sand or SN=snow) |
AIS |
DRG |
During |
AIS |
DS |
Dust storm |
AIS |
DSB |
Double sideband |
ICAO |
DTAM |
Descend to And Maintain |
AIS |
DTG |
Date-Time Group |
AIS |
DTHR |
Displaced Runway Threshold |
AIS |
DTRT |
Deteriorate, Deteriorating |
AIS |
DTW |
Dual tandem wheels |
ICAO |
DU |
Dust |
AIS |
DUC |
Dense Upper Cloud (met) |
AIS |
DUPE |
This is a duplicate message (to be used in Aeronautical Fixed Service as a procedure signal) |
ICAO |
DUR |
Duration |
AIS |
DVOR |
Doppler VOR |
AIS |
DW |
Dual wheels |
ICAO |
DZ |
Drizzle |
AIS |
E |
East, East Longitude |
AIS |
E E E |
Error (to be used in AFS as a procedure signal) |
ICAO |
EASA |
European Aviation Safety Agency |
|
EAT |
Expected Approach Time |
AIS |
EB |
Eastbound |
AIS |
ECAR |
European Civil Aviation Requirement (formerly JAR) |
|
EDTO |
Extended Diversion Time Operations |
|
EET |
Estimated Elapsed Time |
AIS |
EFB |
Electronic Flight Bag |
|
EFC |
Expect further clearance |
ICAO |
EGNOS |
European Geostationary Navigation Overlay System |
|
EGPWS |
Enhanced Ground Proximity Warning System |
CAR 1988 |
EHF |
Extremely high frequency (30,000 to 300,000 MHz) |
ICAO/AIP |
EHR |
Encumbrance Holder Register |
CASR Part 47 |
ELBA |
Emergency locator beacon-aircraft |
ICAO |
ELEV |
Elevation |
AIS |
ELR |
Extra Long Range |
AIS |
ELT(S) |
Emergency Locator Transmitter (Survival) |
CAR 1988 |
EM |
Engine Manual |
WATOG |
EM |
Explanatory Memorandum (submitted to EXCO with regulation amendment) |
|
EM |
Emission |
AIS |
EMBD |
Embedded in a Layer (to indicate cumulonimbus embedded in layers of other clouds) |
AIS |
EMERG |
Emergency |
AIS |
EMS |
Emergency Medical Service |
|
EMS |
Environment Management System |
|
END |
Stop-end (related to RVR) |
ICAO |
ENDCE |
Endurance |
AIS |
ENE |
East North-East |
AIS |
ENG |
Engine |
AIS |
ENR |
En Route |
AIS |
ENRC |
En Route Chart (followed by name/title) |
AIS |
EOBT |
Estimated off Blocks Time |
AIS |
EPA |
Environment Protection Agency |
|
EPIRB |
Electronic Position Indicating Radio Beacon (marine term.) |
AIS |
EQPT |
Equipment |
AIS |
ER |
Here..or herewith |
ICAO |
ERC |
En-route Chart |
AIS |
ERP |
Emergency Response Plan |
|
ERSA |
En-route Supplement Australia |
AIP |
ES |
Explanatory Statement (tabled with regulations in Parliament) |
|
ESD |
Electrostatic sensitive discharge |
|
ESDE |
ESD equipment |
|
ESE |
East Southeast |
AIS |
ESIR |
Electronic safety incident report |
|
EST |
Estimate or estimated or estimate (message type designator) |
AIS |
ETA |
Estimated Time of Arrival, Estimating Arrival |
AIS |
ETCM |
Engine trend and condition monitoring |
|
ETD |
Estimated Time of Departure, Estimating Departure |
AIS |
ETO |
Estimated Time Over significant point |
AIS |
ETOPS |
Extended range operations by turbine-engined aeroplanes |
ICAO |
ETP |
Equi Time Interval |
|
ETT |
Estimated Time Interval |
|
EV |
Every |
AIS |
EVU |
Enforceable Voluntary Undertaking |
Civil Aviation Act 1988 |
EXC |
Except |
AIS |
EXCO |
Executive Council |
|
EXER |
Exercises, Exercising, to exercise |
AIS |
EXP |
Expect, Expected, Expecting |
AIS |
EXTD |
Extend, Extending, Extended |
AIS |
F |
Fixed (chart symbol) |
AIS |
FAA |
Federal Aviation Administration of the USA |
|
FAAOC |
Foreign Aircraft Air Operator’s Certificate |
CASR Part 129 |
FAC |
Facility, Facilities |
AIS |
FADEC |
Full Authority Digital Engine Control |
|
FAF |
Final Approach Fix |
AIP/ICAO |
FAL |
Facilitation of International Air |
AIS |
FAP |
Final Approach Point |
AIP/ICAO |
FARs |
Federal Aviation Regulations (Federal Aviation Administration of the USA) |
|
FATO |
Final approach and take-off area |
ICAO/AIP |
FAWP |
Final Approach Waypoint |
AIS |
FAX |
Facsimile Transmission |
AIS |
FBL |
Light (used to indicate the intensity of WX phenomena, interference or static reports, eg BL RA = light rain) |
AIS |
FC |
Funnel Cloud (tornado or water spout) |
AIS |
FCST |
Forecast |
AIS |
FCT |
Friction coefficient |
ICAO |
FD |
Fault Detection |
|
FDE |
Fault detection and exclusion (in relation to GPS equipment) |
|
FDL |
Fixed Distance Lighting |
AIS |
FDPS |
Flight Data Processing system |
AIS |
FDS |
Flight Director System |
|
FEW |
Few (cloud descriptor) |
AIS |
FFR |
Flood, Fire Relief |
AIS |
FG |
Fog |
AIS |
FIA |
Flight Information Area |
AIS |
FIC |
Flight Information Centre |
AIS |
FIO |
Flight Information Office |
AIS |
FIR |
Flight Information Region |
ICAO/AIP |
FISA |
Flight information service (automated) |
ICAO |
FISS |
Flight Information Service Station |
AIS |
FIX |
Fault Isolation Manual |
WATOG |
FL |
Flight Level |
ICAO/AIP |
FLD |
Field |
AIS |
FLG |
Flashing |
AIS |
FLIR |
Forward Looking Infra Red |
|
FLR |
Flares |
AIS |
FLT |
Flight |
ICAO/WATOG/AIP |
FLTCK |
Flight check |
ICAO/AIP |
FLUC |
Fluctuating, Fluctuation, Fluctuated |
AIS |
FLW |
Follow(s), Following |
AIS |
FLY |
Fly, Flying |
AIS |
FM |
From |
AIS |
FM… |
From (followed by time weather change is forecast to begin) |
AIS |
FMS |
Flight Management System |
ICAO |
FMU |
Flow Management Unit |
AIS |
FNA |
Final Approach |
AIS |
FNPT |
Flight and Navigation Procedures Trainer |
ICAO |
FOD |
Foreign Object Damage |
WATOG |
FOI |
Flying Operations Inspector |
|
FPD |
Flight Plan Designator |
AIS |
FPL |
Filed Flight Plan Message |
AIS |
FPM |
Feet per Minute |
AIS |
FPR |
Flight Plan Route |
AIS |
FR |
Fuel Remaining |
AIS |
FREQ |
Frequency |
AIS |
FRM |
Fault Reporting Manual |
WATOG |
FRMS |
Fatigue Risk Management System |
|
FRNG |
Firing |
AIS |
FRONT |
Front (relating to weather) |
ICAO |
FRQ |
Frequent |
AIS |
FS |
Flight Service (in general) |
AIS |
FSA |
Flight Safety Australia |
|
FSL |
Full Stop Landing |
AIS |
FSP |
Fish Spotting |
AIS |
FSS |
Flight service station |
ICAO |
FST |
First |
AIS |
FT |
Feet |
AIS |
FTD |
Flight training device |
CASR Part 60 |
FTE |
Full time equivalent |
|
FTO |
Flight Training Organisation |
|
FU |
Smoke |
AIS |
FXD |
Fixed |
AIS |
FZ |
Freezing |
AIS |
FZDZ |
Freezing Drizzle |
AIS |
FZFG |
Freezing Fog |
AIS |
FZL |
Freezing Level |
AIS |
FZRA |
Freezing Rain |
AIS |
G |
Gravity |
|
G |
Green |
AIS |
G/A |
Ground-to-air |
ICAO |
G/A/G |
Ground-to-air and air-to-ground |
ICAO |
GA |
Go ahead, resume sending (to be used in AFS as a procedure signal) |
ICAO |
GA |
General Aviation |
CAR 1988 |
GAAP |
General Aviation Aerodrome Procedures |
AIS |
GAMET |
Area forecast for low-level flights |
ICAO |
GAPAN |
Honourable Company of Air Pilots, Australia, Inc. |
|
GBAS |
Ground Based Augmentation System |
|
GCA |
Ground Controlled Approach |
AIS |
GCN |
General Computing Network (operated by Airservices Australia) |
AIS |
GDOP |
Geometric Dilution of Precision |
|
GEN |
General |
AIS |
GEO |
Geographic, true |
AIS |
GES |
Ground Earth Station |
AIS |
GFA |
The Gliding Federation of Australia |
|
GFY |
Glider Flying |
AIS |
GHA |
Ground handling agents |
|
GIVD |
Gravity Induced Vestibular Dysfunction |
|
GLD |
Glider |
AIS |
GLOC |
Gravity Induced Loss of Consciousness |
|
GLONASS |
Global Orbiting Navigation Satellite System (pronounced ‘GLO-NAS’) |
AIS |
GM |
Guidance Material |
|
GMC |
Ground Movement Chart (followed by name/title) |
AIS |
GND |
Ground |
AIS |
GNDCK |
Ground Check |
AIS |
GNS |
Global Navigation System |
AIS |
GNSS |
Global navigation satellite system |
ICAO/AIP |
GP |
Guiding principles |
CAR 1998 |
GP |
Glide Path |
ICAO/AIP |
GP |
FLG Group Flashing (number) (used in conjunction with aerodrome lighting) |
AIS |
GPI |
Glide Path Intercept |
AIS |
GPS |
Global positioning system (see GNSS) |
|
GPWS |
Ground proximity warning system |
|
GR |
Hail |
AIS |
GRAD |
Minimum Required Climb Gradient |
AIS |
GRAS |
Ground Based Regional Augmentation System |
|
GRASS |
Grass Landing Area |
AIS |
GRIB |
Processed meteoroglogical data in the form of grid point values expressed in binary form (aeronautical meterological code) |
ICAO/AIP |
GRVL |
Gravel |
AIS |
GS |
Groundspeed |
AIS |
GS |
Small Hail and/or Snow Pellets |
AIS |
GSE |
Ground Support Equipment |
WATOG |
GUND |
Geoid Undulation |
AIS |
H24 |
Continuous day and night service |
AIS |
HAA |
Height Above Aerodrome |
AIS |
HAA |
Helicopter Association of Australia |
|
HAAMC |
Head of Aircraft Airworthiness and Maintenance Control |
Aviation Law in Australia, 2004 edition |
HAM |
Head of Aircraft Maintenance |
CASR Part 145 |
HAMC |
Head of Aircraft Maintenance Control |
CASR Part 145 |
HAPI |
Helicopter approach path indicator |
ICAO |
HAT |
Height Above Threshold |
AIS |
HBN |
Hazard Beacon |
AIS |
HDF |
High frequency direction-finding station |
ICAO |
HDG |
Heading |
AIS |
HDS |
Hours of Daylight Saving |
AIS |
HEL |
Helicopter |
AIS |
HF |
Human Factors |
|
HF |
High Frequency (3000 to 30,000 KHZ) |
AIS |
HFEM |
Human Factor and Error Management System |
|
HGFA |
Hang Gliding Federation of Australia Inc |
|
HGS |
Heads-up Guidance System |
|
HGT |
Height, Height Above |
AIS |
HIAL |
High Intensity Approach Lighting |
AIS |
HIOL |
High Intensity Obstacle Lights |
AIS |
HIRL |
High Intensity Runway Lighting |
AIS |
HJ |
Sunrise to Sunset |
AIS |
HLDG |
Holding |
AIS |
HLS |
Helicopter Landing Site |
AIS |
HMI |
Human-machine Interface |
|
HN |
Sunset to Sunrise |
AIS |
HO |
Service available to meet operational requirements |
AIS |
HOFO |
Head of Flying Operations |
|
HOO |
Head of Operations |
|
HOSP |
Hospital Aircraft |
|
HOTAS |
Head of Training and Standards |
AIS |
HOTC |
Head of Training and Checking |
|
HP |
Horse Power |
|
HPA |
HectoPascal |
|
HR |
Hours |
AIS |
HS |
Homestead |
AIS |
HS |
Service available during hours of scheduled operations |
AIS |
HSL |
Hold Short Lights |
AIS |
HUD |
Head Up Display |
AIS |
HURCN |
Hurricane |
|
HVDF |
High and very high frequency direction finding stations (at the same location) |
AIS |
HVY |
Heavy |
AIS |
HVY |
Heavy (used to indicate the intensity of WX phenomena, eg HVY RA = heavy rain) |
AIS |
HX |
No specific working hours |
AIS |
HYR |
Higher |
AIS |
HZ |
Haze |
AIS |
HZ (hz) |
Hertz |
AIS |
HZS |
Horizontal Surface |
AIS |
IA |
Inspection authorisation |
AIS |
IAC |
Instrument approach chart (followed by name/title) |
FAR |
IAF |
Initial Approach Fix |
ICAO/AIP |
IAL |
Instrument Approach and Landing Chart |
AIS |
IAO |
In and out of clouds |
AIS |
IAP |
Instrument Approach Plate |
AIS |
IAR |
Intersection of air routes |
|
IAS |
Indicated air speed |
ICAO |
IATA |
International Air Transport Association |
ICAO |
IAW |
In Accordance With |
|
IAWP |
Initial Approach Way-point |
|
IBN |
Identification Beacon |
AIS |
IC |
Ice Crystals (MET code) |
AIS |
ICA |
Instructions for continuing airworthiness (issued by manufacturer or designer) |
AIS |
ICAO |
International Civil Aviation Organization |
CAR 1998 |
ICE |
Icing, Ice |
ICAO |
ICUS |
In-command Under Supervision |
AIS |
ID |
Identifier, identify |
|
IDENT |
Identification |
AIS |
IF |
Instrument Flight |
AIS |
IF |
Intermediate Approach Fix |
|
IFF |
Identification Friend/Foe |
AIS |
IFR |
Instrument flight rules |
AIS |
IFSD |
In-flight Shutdown |
ICAO/AIP |
IG |
Implementation Group |
|
IGA |
International general aviation |
|
ILS |
Instrument Landing System |
/AIPICAO |
IM |
Inner Marker |
AIS |
IMC |
Instrument meteorological conditions (other than VMC) |
AIS |
IMC |
Indirect Maintenance Cost |
CAR 1988 |
IMG |
Immigration |
WATOG |
IMI |
Interrogation sign |
AIS |
IMPR |
Improve, Improving, Improvement |
ICAO |
IMT |
Immediate, Immediately |
AIS |
INA |
Initial approach |
AIS |
INBD |
Inbound |
ICAO |
INC |
In Cloud |
AIS |
INCERFA |
Uncertainty Phase |
AIS |
INFO |
Information |
AIS |
INOP |
Inoperative |
AIS |
INP |
If not possible |
AIS |
INPR |
In progress |
ICAO |
INS |
Inertial Navigation System |
ICAO |
INSTL |
Install, Installed, Installation |
AIS |
INSTR |
Instrument |
AIS |
INT |
Intersection |
AIS |
INTER |
Intermittent, Intermittently (meteorological) |
AIS |
INTL |
International |
AIS |
INTRG |
Interrogator |
AIS |
INTRP |
Interrupt, Interruption, Interrupted |
AIS |
INTSF |
Intensify, Intensifying |
AIS |
INTST |
Intensity |
AIS |
IoA |
Instrument of appointment |
AIS |
IOC |
Indirect Operating Cost |
CAR 1988 |
IOE |
Initial Operational Experience |
WATOG |
IPC |
Illustrated Parts Catalogue |
|
IR |
Ice on runway |
WATOG |
IREX |
Instrument Training Examination |
ICAO |
IRM |
Immediately Reportable Matters |
ATSB |
IRS |
Internal Reporting System |
|
ISA |
International Standard Atmosphere |
|
ISB |
Independent Sideband |
AIS |
ISIM |
Integrated Safety Investigation Methodology |
CASA |
ISO9000 |
International Organization for Standardization |
|
ISOL |
Isolated |
|
ITT |
Interstage Turbine Temperature |
AIS |
IWI |
Illuminated Wind Indicator |
|
IWP |
Intermediate Way-point |
AIS |
J-BAR |
Jet Barrier |
AIS |
JAA |
Joint Aviation Authorities (of Europe) |
AIS |
JAR |
Joint Aviation Requirements (of the European JAA) |
|
JAR-OPS |
JAR Operations |
AIS |
JTSO |
Joint Technical Standard Order |
AIS |
JTST |
Jet Stream |
AIS |
KDR |
Knowledge Deficiency Report |
AIS |
KG (kg) |
Kilograms |
AIS |
KHZ (kHz) |
Kilohertz |
|
KM (km) |
Kilometers |
AIS |
KMH (km/h) |
Kilometers per hour |
AIS |
KPA (kPa) |
Kilopascals |
AIS |
KT (kt) |
Knots |
AIS |
KW (kw) |
Kilowatts |
AIS |
L |
Left (runway identification) |
AIS |
L |
Locator (see LM, LO) |
AIS |
LAAS |
Local Area Augmentation System |
AIS |
LAHSO |
Land and Hold Short Operations |
AIS |
LAME |
Licensed Aircraft Maintenance Engineer |
|
LAN |
Inland |
AIS |
LAT |
Latitude |
CASR Part 66 |
LDA |
Landing distance available |
AIS |
LDG |
Landing |
AIS |
LDI |
Landing Direction Indicator |
ICAO/AIP |
LDP |
Landing decision point |
AIS |
LEN |
Length |
AIS |
LF |
Low Frequency (30 to 300 KHZ) |
ICAO |
LGT |
Light, Lighting |
AIS |
LGTD |
Lighted |
AIS |
LIH |
Light Intensity High |
AIS |
LIL |
Light Intensity Low |
AIS |
LIM |
Light Intensity Medium |
AIS |
LIOL |
Low Intensity Obstacle Lights |
AIS |
LIRL |
Low Intensity Runway Lights |
AIS |
LJR |
Low Jet Route |
AIS |
LL |
Lower Limit |
AIS |
LLN |
Low-level Navigation (by the MIL) |
AIS |
LLO |
Low Level Operations (by the MIL) |
AIS |
LLZ |
Localizer |
AIS |
LM |
Locator (middle) |
AIS |
LMT |
Local mean time |
AIS |
LO |
Locator (outer) |
AIS |
LOC |
Locally, Location, Located, Local |
AIS |
LOE |
Lane of Entry |
AIS |
LONG |
Longitude |
AIS |
LOSA |
Line Operations Safety Audit |
AIS |
LPT |
Liquid Penetrant Test |
AIS |
LRCS |
Long-range communication system |
|
LRG |
Long Range |
|
LRI |
Line Replaceable Item |
FAR |
LRNS |
Long-range navigation system |
AIS |
LRU |
Line Replaceable Unit |
WATOG |
LSA |
Light Sport Aircraft |
FAR |
LSALT |
Lowest safe altitude |
WATOG |
LSd |
CASA’s Legal Services Division |
|
LTD |
Limited |
|
LUL |
Lowest Usable Level |
CASA |
LV |
Light and Variable (relating to wind) |
AIS |
LVE |
Leave, Leaving |
AIS |
LVL |
Level |
AIS |
LYR |
Layer, Layered |
AIS |
M |
Mach number (followed by figures ie .02 = Mach .02) |
AIS |
M (m) |
Metres (preceded by figures) |
AIS |
M/E |
Multi-engine |
AIS |
MAAT |
Manual Authoring and Assessment Tool |
CASA |
MAE |
Men and Equipment |
|
MAG |
Magnetic |
|
MAHWP |
Missed Approach Holding Way-point |
AIS |
MAINT |
Maintenance |
AIS |
MAN |
Manual |
AIS |
MAP |
Aeronautical Maps and Charts |
AIS |
MAP |
Manifold Air Pressure |
AIS |
MAPT |
Missed Approach Point |
AIS |
MAR |
At Sea |
|
MAUW |
Maximum All Up Weight |
AIS |
MAWP |
Missed Approach Waypoint |
AIS |
MAX |
Maximum |
|
MBST |
Microburst |
AIS |
MBZ |
Mandatory Broadcast Zone |
AIS |
MCC |
Multi-crew Co-ordination |
AIP |
MCM |
Maintenance control manual |
CASA |
MCQFS |
Manual of criteria for the qualification of flight simulators ICAO Doc 9625-AN/938 |
|
MCUR |
Mean Cycles Between Unscheduled Removals |
CASR Part 145 |
MCW |
Modulated Continuous Wave |
CASR Part 60 |
MDA |
Minimum Descent Altitude |
WATOG |
MDF |
Medium Frequency Direction Finding Station |
AIS |
MDR |
Major Defect Report |
AIS |
MEA |
Minimum En-route Altitude |
AIS |
MED |
Medical |
CAR 1988 |
MEL |
Minimum equipment list |
AIS |
MERSITAB |
Manufacturing, Engineering and Related Services Industry Training Advisory Body |
AIS |
MET |
Meteorological, Meteorology |
ICAO |
MET |
REPORT Aviation routine weather report |
CASR Part 66 |
METAR |
Aviation routine weather report (in aeronautical meteorological code) |
AIS |
METRAD |
MET Radar |
AIS |
MF |
Medium Frequency (300 to 3000 KHZ) |
AIS |
MHZ (mhz) |
Megahertz |
AIS |
MIFG |
Shallow Fog |
AIS |
MIL |
Military |
AIS |
MIL-STD |
Military Standard |
AIS |
MIN |
Minutes |
AIS |
MIOL |
Medium Intensity Obstacle Lights |
|
MIRL |
Medium Intensity Runway Lights |
AIS |
MISC |
Miscellaneous |
AIS |
MKR |
Marker Radio Beacon |
AIS |
MLJ |
Military Low Jet |
AIS |
MLJR |
Military Low Jet Route |
AIS |
MLS |
Microwave Landing System |
AIS |
MLW |
Maximum Landing Weight |
AIS |
MM |
Middle Marker |
AIS |
MMEL |
Master minimum equipment list |
AIS |
MNM |
Minimum |
AIS |
MNT |
Monitor, Monitoring, |
ICAO |
MNTN |
Maintain, Maintained, Maintaining |
AIS |
MOA |
Military Operating Area |
AIS |
MOC |
Minimum obstacle clearance (required) |
AIS |
MOD |
Moderate, Moderately |
AIS |
MOD |
Moderate (used to indicate the intensity of WX phenomena, interference or static reports, eg MOD RA = moderate rain). |
ICAO/AIP |
MON |
Above Mountains |
AIS |
MOPS |
Minimum Operational Performance Standards |
AIS |
MOS |
Manual of Standards |
AIS |
MOU |
Memorandum of understanding |
AIS |
MOV |
Move, Moved, Moving, Movement |
CAR 1998 |
MOWP |
Method of Working Plan |
|
MPD |
Maintenance Planning Data |
AIS |
MPI |
Magnetic Particle Inspection |
AIS |
MPL |
Multi-crew Pilot Licence |
ATA/FAR |
MPS |
Metres per Second |
|
MPT |
Magnetic Particle Inspection Technician |
ICAO Annex 1 ‘Personnel Licensing’ |
MRB |
Maintenance Review Board |
AIS |
MRBR |
Maintenance Review Board Report |
|
MRG |
Medium Range |
ATA/FAR |
MRO |
Maintenance, repair and overhaul |
|
MRP |
ATS/MET Reporting Point |
AIS |
MS |
Minus |
CASR Part 145 |
MSA |
Minimum sector altitude |
AIS |
MSAS |
Multi-function Transport Satellite (MTSAT) Satellite-based Augmentation System |
AIS |
MSDS |
Material Safety Data Sheets |
AIP |
MSG |
Message |
|
MSG |
Maintenance Steering Group |
|
MSG-3 |
Maintenance Steering Group Logic Process |
AIS |
MSI |
Maintenance Significant Item |
ATA/FAR |
MSL |
Mean Sea Level |
|
MSOS |
Maintenance specific operation specification |
WATOG |
MSSR |
Monopulse Secondary Surveillance Radar |
AIS |
MT |
Mountain |
CASR Part 145 |
MTBF |
Mean Time Between Failure |
AIS |
MTBR |
Mean Time Between Removals |
AIS |
MTBUR |
Mean Time Between Unscheduled Removals |
WATOG |
MTO |
Maintenance training organisation |
WATOG |
MTOW |
Maximum take-off weight |
WATOG |
MTP |
Maximum Tyre Pressure |
CASR Part 147 |
MTSAT |
Multi-function Transport Satellite |
AIP |
MTTF |
Mean Time To Failure |
AIS |
MTTR |
Mean Time To Repair |
|
MTTUR |
Mean Time To Unscheduled Removal |
WATOG |
MTUR |
Special Term For Data Transmittal |
WATOG |
MTW |
Mountain waves |
WATOG |
MVA |
Minimum Vector Altitude |
WATOG |
MWO |
Meteorological Watch Office |
AIS |
MX |
Mixed type of ice formation (white and clear) |
AIS |
N |
North, North Latitude |
AIS |
N1 |
Gas Generator Speed |
AIS |
N2 |
Second Stage Turbine Speed |
AIS |
NAA |
National Airworthiness Authority (for a country other than Australia) |
|
NAD |
Non-acqueous Developer |
|
NAIPS |
National aeronautical information processing system |
CAR 1998 |
NANDTB |
National Aerospace Non-destructive Testing Board |
|
NANU |
Notice Advisory to NavStar Users |
AIP |
NAP |
Noise Abatement Procedures |
|
NAS |
National Airspace System |
|
NASC |
National AIS System Centre |
AIS |
NAT |
NAVAID Training |
AIS |
NAV |
Navigation |
|
NAVAID |
Navigation Aid |
AIS |
NAWD |
Non-acqueous Wet Developer |
AIS |
NB |
Northbound |
AIS |
NBFR |
Not Before |
|
NC |
No Change |
AIS |
NDB |
Non-directional Radio Beacon |
AIS |
NDI |
Non-destructive inspection |
AIS |
NDT |
Non-destructive testing |
AIS |
NE |
Northeast |
AIS |
NEG |
Negative, No. Permission not granted or, That is not correct |
CAR 1988 |
NFRM |
Notice of Final Rule Making |
AIS |
NG |
Gas Generator Speed |
AIS |
NGT |
Night |
CASA |
NIL |
None |
|
NM |
Nautical Miles |
AIS |
NML |
Normal |
AIS |
NNE |
North North-East |
AIS |
NNW |
North North-West |
AIS |
NOF |
International NOTAM Office |
AIS |
NOSIG |
No Significant Change |
AIS |
NOTAM |
Notice To Airmen |
AIS |
NOZ |
Normal Operating Zone |
AIP |
NP |
Propeller Speed |
AIS |
NPA |
Non-precision approach (procedures at aerodromes) |
AIS |
NPC |
Notice of proposed change (consultation for amendment to a MOS) |
|
NPRM |
Notice of proposed rule making |
AIS |
NSC |
Nil Significant Cloud |
CAR 1998 |
NTA |
No TAF Amendment |
CASA |
NTL |
National |
AIS |
NTS |
Negative Torque Sensing System |
AIS |
NTSB |
National Transportation Safety Board (of the USA) |
AIS |
NTZ |
No-transgression zone |
|
NVD |
Night Vision Device |
|
NVED |
Night Vision Enhancement Devices |
AIP/ICAO |
NVET |
National vocational education and training |
|
NVFR |
Night Visual Flight Rules |
|
NVG |
Night Vision Goggles (by the MIL) |
CASR Part 66 |
NVIS |
Night Vision Imaging Systems |
|
NW |
North-West |
AIS |
NXT |
Next |
|
NZ |
New Zealand |
AIS |
NZ CAA |
New Zealand Civil Aviation Authority |
AIS |
NZS |
New Zealand Standard |
|
O/R |
On Request |
|
OAR |
Office of Airspace Regulation |
|
OAT |
Outside Air Transport |
|
OAT |
Outside Air Temperature |
CASA |
OBPR |
Office of Best Practice Regulation |
|
OBPR |
Office of Best Practice Regulation |
|
OBS |
Omni Bearing Selector |
|
OBS |
Observe, Observed, Observation |
|
OBSC |
Obscure, Obscured, Obscuring |
|
OBST |
Obstacle |
|
OBSTR |
Obstruction |
|
OC |
Operating Certificate |
|
OCA |
Obstacle Clearing Altitude |
|
OCA |
Oceanic Control Area |
|
OCC |
Occulting (light) |
|
OCH |
Obstacle Clearance Height |
|
OCNL |
Occasional, Occasionally |
|
OCTA |
Outside Control Area |
|
OCTR |
Outside Control Zone |
|
OEI |
One Engine Inoperative |
AIS |
OEM |
Original Equipment Manufacturer |
|
OFZ |
Obstacle Free Zone |
|
OHD |
Overhead |
|
OHS |
Occupation Health and Safety |
|
OHSMS |
Occupational Health and Safety Management Systems |
|
OIS |
Obstacle Identification Surface |
|
OLC |
Office of Legal Counsel |
|
OLDI |
On-line Data Interchange |
|
OLS |
Obstacle Limitation Surface |
|
OM |
Operations Manual |
|
OM |
Outer Marker |
|
OPA |
Opaque, white type of ice formation |
|
OPC |
Office of Parliamentary Counsel |
|
OPMET |
Operational Meteorological |
|
OPN |
Operational Notification Message (message type designator) |
|
OPN |
Open, Opening, Opened |
|
OPR |
Operator, Operate, Operative, Operating, Operational |
|
OPS |
Operations |
|
OSIP |
Overhaul and Special Inspections Periods |
|
OT |
Other Times |
CASA |
OTAC |
Overseas Territories Aviation Circulars |
Air Safety Support International (UK) |
OTAR |
Overseas Territories Aviation Requirements |
Air Safety Support International (UK) |
OTLK |
Outlook (used in Sigmet messages for volcanic ash and tropical cyclones) |
Air Safety Support International (UK) |
OTP |
On Top |
Air Safety Support International (UK) |
OUBD |
Outboard |
|
OVC |
Overcast |
|
OW |
Over Water |
|
P.. |
Prohibited Area (followed by identification) |
|
PA |
Precision Approach |
|
PAL |
Pilot Activated Lighting |
AIS |
PANS |
Procedures for Air Navigation Services |
|
PANS-OPS |
Procedures for Air Navigation Services – Aircraft Operations ICAO Doc 8168 Vol I and II |
AIS |
PAPI |
Precision Approach Path Indicator |
AIS |
PAR |
Precision Approach Radar |
ICAO |
PARL |
Parallel |
AIS |
PATC |
Precision Approach Terrain Chart (followed by name/title) |
AIS |
PAX |
Passengers |
AIS |
PBM |
Power Plant Build-Up Manual |
AIS |
PC |
Personal Computer |
AIS |
PCATD |
Personal Computer-based Aviation Training Device |
WATOG |
PCD |
Proceed, Proceeding |
|
PCL |
Pilot Controlled Lighting |
|
PCN |
Pavement classification number |
AIS |
PCT |
Practical consolidation training |
AIS |
PDC |
Pre-Departure Clearance |
ICAO/AIP |
PDO |
Product distribution organisation |
CASR Part 66 |
PDOP |
Positional Dilution of Precision |
AIS |
PDSE |
Pre-departure Service Check |
CASR Part 144 |
PEC |
Pressure Error Correction |
|
PERM |
Permanent |
|
PFC |
Porous Friction Course |
AIS |
PFR |
Preferred Route |
AIS |
PH |
Public Holiday |
AIS |
PIB |
Pre-flight information bulletin |
AIS |
PIC |
Pilot-in-command |
AIS |
PICUS |
Pilot-in-Command Under Supervision |
ICAO/AIP |
PIFR |
Private IFR rating |
CAR 1988 |
PILS |
Practice ILS |
|
PIREP |
Pilot Reports |
CAR 1988 |
PJE |
Parachute Jumping Exercise |
AIS |
PL |
Ice Pellets |
WATOG |
PLN |
Flight Plan |
AIS |
PLVL |
Present Level |
CASA |
PMP |
Primary Maintenance Process |
AIS |
PN |
Prior Notice Required |
AIS |
PNR |
Point of No Return |
WATOG |
PO |
Dust Devils |
AIS |
POB |
Persons on Board |
AIS |
POH |
Pilot Operating Handbook |
|
POSS |
Possible |
AIS |
PPI |
Plan Position Indicator |
|
PPL |
Private Pilot Licence |
AIS |
PPR |
Prior Permission Required |
AIS |
PPS |
Precise Positioning Service |
CAR 1988 |
PPSN |
Present Position |
AIS |
PRD |
Prohibited, Restricted and Danger Areas |
|
PRFG |
Aerodrome Partially Covered by Fog (MET code) |
AIS |
PRI |
Primary |
AIS |
PRKG |
Parking |
AIS |
PRM |
Precision Runway Monitoring |
AIS |
PRM |
Precision runway monitoring |
AIS |
PROB |
Probable, Probability |
AIS |
PROC |
Procedure |
AIP |
PROV |
Provisional |
AIS |
PS |
Plus |
AIS |
PSG |
Passing |
AIS |
PSN |
Position |
AIS |
PSP |
Pierced Steel Plank |
AIS |
PSR |
Primary Surveillance Radar |
AIS |
PSYS |
Pressure System(s) |
AIS |
PTBL |
Portable |
AIS |
PTN |
Procedure Turn |
AIS |
PTT |
Push To Talk |
AIS |
PVT |
Private |
AIS |
PWR |
Power |
|
QDM |
Magnetic Heading (zero wind) |
AIS |
QDR |
Magnetic Bearing |
AIS |
QEC |
Quick Engine Change Unit |
AIP |
QFE |
An altimeter set to QFE will read zero when the aircraft is on the runway |
AIP |
QMS |
Quality Management System |
WATOG |
QNH |
Altimeter subscale setting to obtain elevation or altitude |
|
QTE |
True Bearing |
|
QTG |
Qualification test guide |
AIS |
QUAD |
Quadrant |
AIP |
R |
Red |
|
R |
Right (runway system identification) |
AIS |
R…. |
Restricted Area (followed by number) |
AIS |
R/T |
Radio Telephone |
AIS |
RA |
Rain |
AIS |
RA-Aus |
Recreational Aviation Australia |
|
RAAA |
Recreational Aviation Association of Australia |
AIS |
RAAO |
Recreational Aviation Administrative Organisation |
|
RAC |
Rules of the Air and Air Traffic Services |
|
RAD |
Radius |
|
RAeS |
Royal Aeronautical Society |
AIS |
RAFC |
Regional Area Forecast Centre |
AIS |
RAG |
Ragged |
|
RAG |
Runway Arresting Gear |
AIS |
RAI |
Runway Alignment Indicator |
AIS |
RAIM |
Receiver Autonomous Integrity Monitoring |
AIS |
RAM |
Repair and Maintenance |
AIS |
RAPAC |
Regional Airspace Users Advisory Committee |
|
RAPIC |
Radar Picture (MET) |
|
RAS |
Radar Advisory Service |
|
RASF |
Regional Aviation Safety Forum |
|
RAT |
RAM Air Turbine |
AIS |
RCA |
Reach Cruising Altitude, |
AIS |
RCA |
Request For Corrective Action |
|
RCC |
Rescue Coordination Centre |
AIS |
RCH |
Reach, Reaching |
AIS |
RCL |
Runway Centre Line |
AIS |
RCLL |
Runway Centre Line Lights |
AIS |
RCLM |
Runway Centre Line Marking |
AIS |
RDL |
Radial |
AIS |
RDO |
Radio |
AIS |
RDS |
Runway Distance Supplement |
|
RE… |
Recent (used to qualify weather phenomena, eg RERA = recent rain) |
CASA |
REC |
Receive, Receiver, Received |
AIS |
REDL |
Runway Edge Lights |
AIS |
REF |
Reference to… Refer to… |
AIS |
REG |
Registration |
AIS |
RENL |
Runway End Lights |
AIS |
REP |
Report, Reported, Reporting, Reporting Point |
AIS |
REQ |
Request, Requested |
AIS |
RERTE |
Re-route |
AIS |
RES |
Reserve Fuel |
AIS |
RESA |
Runway end safety area |
AIS |
RESTR |
Restrictions |
AIS |
REV |
Review |
ICAO/AIP |
RFACA |
Royal Federation of Aero Clubs of Australia |
AIS |
RFC |
Request for change |
AIS |
RFC |
Regional Forecasting Centre (Met) |
|
RFFS |
Rescue and Fire Fighting Services |
|
RH |
Radio Height |
AIS |
RHC |
Right-hand Circuit |
CASA |
RIF |
Reclearance in Flight |
AIS |
RIFTO |
Restricted Instrument Flight Take-off |
AIS |
RIS |
Regulation Impact Statement |
OBPR |
RIS |
Radar information service |
|
RL |
Report Leaving |
ORR |
RLA |
Relay to |
AIP/ICAO |
RLLS |
Runway Lead-in Lighting |
AIS |
RMIT |
Royal Melbourne Institute of Technology |
AIS |
RMK |
Remark(s) |
AIS |
RMS |
Root Mean Square |
|
RNAV |
Area navigation |
AIS |
RNP |
Required navigation performance |
|
RO |
Registered operator |
AIP |
ROBEX |
Regional OPMET Bulletin Exchanges |
|
ROC |
Rate of Climb |
CASR Part 43 |
ROD |
Rate of Descent |
AIS |
ROFOR |
Route Forecast (in aeronautical meteorological code) |
AIS |
RPA |
Rules and practices for aerodromes |
AIS |
RPI |
Radar Position Indicator |
AIS |
RPI |
Regulatory Performance Indicator |
CAR 1988 |
RPI |
Runway Point of Intercept |
AIS |
RPL |
Recognition of prior learning |
CAR 1988 |
RPM |
Revolutions Per Minute |
AIS |
RPT |
Regular public transport |
CASR Part 66 |
RQ |
Require(d) |
|
RQMNTS |
Requirements |
CAR 1988 |
RR |
Report Reaching |
AIS |
RRM |
Routine Reportable Matters |
AIS |
RSC |
Rescue Sub-Centre |
CASA |
RSCD |
Runway Surface Condition |
CASA |
RSP |
Responder Beacon |
AIS |
RSR |
En route Surveillance Radar |
AIS |
RTB |
Return to Base |
AIS |
RTCA |
Radio Technical Commission for Aeronautics |
CASA |
RTE |
Route |
|
RTF |
Radio Telephone |
|
RTHL |
Runway Threshold Light(s) |
AIS |
RTIL |
Runway Threshold Identification Lights |
AIS |
RTN |
Return, Returned, Returning |
AIS |
RTO |
Rejected take-off |
AIS |
RTO |
Registered training organisation |
AIS |
RTS |
Return to Service |
AIP |
RTZL |
Runway Touchdown Zone Light(s) |
CASR Part 147 |
RVR |
Runway visual range |
AIS |
RVSM |
Reduced Vertical Separation Minimum |
AIS |
RWS |
Runway Strip |
AIP/ICAO |
RWY |
Runway |
ICAO/CAR 1988 |
S |
South, South Latitude |
AIS |
S-I |
Straight-In |
AIS |
S/E |
Single-engine |
AIP |
SA |
Sand |
WATOG |
SA |
Selective Availability |
|
SA |
Situation Awareness |
AIS |
SAAA |
Sport Aircraft Association of Australia |
|
SAL |
Supplementary Airline Licence |
|
SALR |
Saturated Adiabatic Lapse Rate |
|
SALS |
Simple Approach Lighting System |
AIS |
SAR |
Search and Rescue |
|
SARPs |
Standards and Recommended Practices |
ICAO |
SARTIME |
Time search action required |
AIS |
SARWATCH |
Search and Rescue Watch |
ICAO |
SATCOM |
Satellite Communication |
|
SB |
Service Bulletin |
|
SB |
Southbound |
AIS |
SBAS |
Satellite Based Augmentation System |
AIS |
SC |
Stratocumulus |
AIS |
SCC |
Standards Consultative Committee |
|
SCP |
Safety Critical Personnel |
AIS |
SCT |
Scattered (meteorological) |
CASA |
SDBY |
Standby |
|
SDC |
Standard Departure Clearance |
AIS |
SDR |
Service difficulty report |
AIS |
SE |
South East |
AIS |
SEA |
Sea (used in connection with sea-surface temperature and state of the sea) |
CAR 1998 |
SEACO |
Single engine aircraft only |
AIS |
SEC |
Seconds |
AIS |
SECN |
Section |
|
SECT |
Sector |
AIS |
SELCAL |
Selective Calling System |
AIS |
SER |
Service, Servicing, Served |
AIS |
SEV |
Severe (used eg to qualify icing and turbulence report) |
AIS |
SFC |
Surface |
AIS |
SFL |
Sequenced Flashing Lights |
AIS |
SG |
Snow Grains |
AIS |
SH… |
Showers (followed by RA=rain, SN=snow, PL=ice pellets, GR=hail, GS=small hail and/or snow pellets or combinations thereof, eg, SHRASN = showers of rain and snow) |
AIS |
SHF |
Super High Frequency (3,000 to 30,000 MHZ) |
AIS |
SHP |
Shaft Horse Power |
AIS |
SID |
Standard instrument departure |
AIS |
SIF |
Selective Identification |
|
SIG |
Significant |
ICAO/AIP |
SIGMET |
Information concerning en route weather phenomena which may affect the safety of aircraft operations |
AIS |
SIL |
Service Information Letter |
AIS |
SIMUL |
Simultaneous, or Simultaneously |
AIS |
SKC |
Sky Clear |
|
SKED |
Schedule, Scheduled |
AIS |
SL |
Service Letter |
AIS |
SLP |
Speed Limiting Point |
AIS |
SLW |
Slow, Slowly |
|
SM |
Safety Manager |
AIS |
SMC |
Surface Movement Control |
AIS |
SMR |
Surface Movement Radar |
|
SMS |
Safety management system |
AIS |
SN |
Snow |
AIS |
SNOWTAM |
A special series NOTAM notifying the presence or removal of hazardous conditions due to snow, ice, slush or standing water associated with snow, slush and ice on the movement area |
CAR 1998 |
SOC |
Start of Climb |
AIS |
SOE |
Schedule of experience |
AIS |
SOM (SoM) |
System of Maintenance |
AIS |
SOPs |
Standard Operating Procedures |
CAR 1988 |
SOR |
Summary of responses |
CAR 1998 |
SOT |
Start of TORA (take-off) |
|
SP |
Single Pilot |
CASA |
SPA |
Sport Aviation |
AIS |
SPECI |
Aviation Special Weather (in aeronautical meteorological code) |
AIS |
SPFIB |
Specific Preflight Information Bulletin |
AIS |
SPOT |
Spotwind |
AIS |
SPS |
Standard Positioning Service |
AIS |
SQ |
Squall |
AIS |
SR |
Sunrise |
|
SRB |
Safety Review Board |
AIS |
SRD |
Standard Radar Departure |
AIS |
SRG |
Short Range |
|
SRM |
Structural Repair Manual |
AIS |
SRR |
Search and Rescue Region |
AIS |
SRY |
Secondary |
WATOG |
SS |
Sandstorm |
AIS |
SS |
Sunset |
AIS |
SSB |
Single Sideband |
AIS |
SSCRO |
Senate Standing Committee on Regulations and Ordinances |
AIS |
SSE |
South South-East |
AIS |
SSI |
Structural Significant Item |
|
SSM |
System Schematics Manual |
AIS |
SSR |
Secondary Surveillance Radar |
WATOG |
SST |
Supersonic Transport |
WATOG |
SSW |
South South-West |
AIS |
ST |
Stratus |
AIS |
STA |
Straight in Approach |
AIS |
STAR |
Standard Arrival Route |
AIS |
STAR |
Standard instrumental arrival |
AIS |
STARs |
Standard terminal arrival routes |
AIP |
STC |
Supplemental Type Certificate |
ICAO |
STD |
Synthetic training device |
|
STD |
Standard |
CASR Part 21 |
STF |
Stratiform |
CASR Part 60 |
STN |
Station |
AIS |
STNR |
Stationary |
AIS |
STODA |
Supplementary Take-off Distance |
AIS |
STOL |
Short Take-off and Landing |
AIS |
STS |
Status |
AIS |
STWL |
Stopway Light(s) |
AIS |
SUBJ |
Subject to |
AIS |
SUP |
Supplement (AIP Supplement) |
AIS |
SUPPS |
Regional Supplementary Procedures |
AIS |
SVCBL |
Serviceable |
AIS |
SVY |
Survey Operations |
AIS |
SW |
South-West |
AIS |
SWS |
Soft Wet Surface |
AIS |
SWY |
Stopway |
AIS |
T |
Temperature |
AIS |
T-VASIS |
‘T’Visual Approach Slope Indicator System (pronounced ‘TEE-VAR-SIS’) |
AIS |
TA |
Transition Altitude |
AIS |
TA |
Traffic advisory |
AIS |
TAAATS |
The Australian Advanced Air Traffic System |
AIS |
TAAM |
Airservices Australia’s Total Airspace Airport and Aerodrome Modeller |
ICAO/AIP |
TAC |
Terminal Area Chart |
|
TACAN |
Tactical Air Navigation Aid |
AIS |
TAF |
Aerodrome Forecast |
AIS |
TAF |
Terminal Area Forecast |
AIS |
TAIL |
Tailwind |
AIS |
TAR |
Terminal Area Surveillance Area |
|
TAS |
True Airspeed |
AIS |
TAT |
Terminal Area Thunderstorm Service (meteorological term) |
AIS |
TAWS |
Terrain awareness and warning system |
AIS |
TAWS-B+ system |
A terrain awareness and warning system that is equipped with a visual display and complies with the requirements for Class B equipment expressed in TSO-C151, TSO-C151a or TSO-C151b. |
AIS |
TAX |
Taxiing, Taxi |
CAO 20.18 |
TBA |
To be advised |
CAO Part 20, Section 20.18, Issue 9 |
TBO |
Time Between Overhauls |
AIS |
TC |
Type Certificate |
AIS |
TC |
Tropical Cyclone |
WATOG |
TCAC |
Tropical Cyclone Advisory Centre |
AIS |
TCAS |
Traffic alert and collision avoidance system |
CASA |
TCDS |
Type certificate data sheet |
|
TCH |
Threshold Crossing Height |
ICAO |
TCO |
Training and Checking Organisation |
CASR Part 21 |
TCTA |
Trans-continental Control Area |
AIS |
TCU |
Towering Cumulus (met) |
|
TDO |
Tornado |
AIS |
TDZ |
Touchdown Zone |
AIS |
TECR |
Technical Reason |
AIS |
TEL |
Telephone |
AIS |
TEM |
(Illustrated) Tool And Equipment Manual |
AIS |
TEM |
Threat and Error Management |
AIS |
TEMPO |
Temporary, Temporarily (meteorologically) |
WATOG |
TERPs |
Terminal and En-route procedures |
|
TFC |
Traffic |
AIS |
TFR |
Terrain Following Radar (by the MIL) |
AIS |
TGL |
Touch & Go Landing |
AIS |
TGS |
Taxiing Guidance System |
AIS |
THR |
Threshold |
AIS |
THRU |
Through |
AIS |
TIBA |
Traffic Information Broadcasts by Aircraft |
AIS |
TIL |
Until |
AIS |
TIP |
Until Past (place) |
AIS |
TIS |
Time in service |
AIS |
TKOF |
Take-off |
AIS |
TLOF |
Touchdown and lift-off area |
|
TLS |
Transponder Landing System |
AIS |
TLW |
Time Limited WIP (work in progress) |
ICAO |
TMA |
Terminal Control Area |
|
TMG |
Track Made Good |
AIS |
TNA |
Training Needs Analysis |
AIS |
TNA |
Turn Altitude |
|
TNH |
Turn Height |
|
TNS |
Transitional Surface |
AIS |
TOC |
Top of Climb |
AIS |
TODA |
Take-off distance available |
AIS |
TOP |
Cloud Top |
AIS |
TORA |
Take-off run available |
ICAO |
TOT |
Turbine Outlet Temperature |
AIS |
TP |
Turning Point |
ICAO |
TR |
Track |
|
TRA |
Temporary Reserved Airspace |
AIS |
TRAN |
Transition |
AIS |
TRANS |
Transmits, Transmitter |
AIS |
Trike |
A manned, powered hang-glider |
AIS |
TRL |
Transition Level |
AIS |
TROP |
Tropopause |
|
TS… |
Thunderstorm (followed by RA=rain, SN=snow, PE=ice pellets, GR=hail, GS=small hail and/or snow pellets or combinations thereof, eg TSRASN = thunderstorm with rain and snow) |
AIS |
TSI |
Time Since Installation |
AIS |
TSO |
Technical Standard Order |
AIS |
TSO |
Time Since Overhaul |
WATOG |
TTF |
Trend Type Forecast |
|
TTMRA |
Trans Tasman Mutual Recognition Agreement |
WATOG |
TURB |
Turbulence |
|
TWR |
Aerodrome Control Tower, Aerodrome Control |
AIS |
TWY |
Taxiway |
AIS |
TWYL |
Taxiway Link |
AIS |
TYP |
Type of Aircraft |
AIS |
TYPH |
Typhoon |
AIS |
U/S |
Unserviceable |
AIS |
UAB |
Until Advised By |
AIS |
UAV |
Unmanned aerial vehicles |
AIS |
UDF |
UHF Direction Finding Stations |
AIS |
UFIT |
Uncontrolled Flight Into Terrain |
CASR Part 101 |
UFN |
Until Further Notice |
AIS |
UHDT |
Unable Higher Due Traffic |
|
UHF |
Ultra High Frequency (300 to 3,000 MHZ) |
AIS |
UIR |
Upper Flight Information Region |
AIS |
UK |
United Kingdom |
AIS |
UL |
Upper Limits |
AIS |
UNA |
Unable |
|
UNAP |
Unable to Approve |
AIS |
UNICOM |
Universal Communications |
AIS |
UNL |
Unlimited |
AIS |
UNLC |
Unlicensed |
|
UNREL |
Unreliable |
AIS |
US FAR |
Federal Aviation Regulations (of the USA) |
AIS |
USA |
United States of America |
|
UTA |
Upper Control Area |
|
UTC |
Coordinated Universal Time |
|
V |
Velocity |
AIS |
V1 |
Take-off Decision Speed |
AIS |
V2 |
Take-off Safety Speed (Applicable to Larger Multi-engine Aircraft) |
|
VA |
Volcanic Ash |
|
VA |
Maximum Manoeuvring Speed |
|
VAA-H |
Visual Approach Area – Helicopter |
AIS |
VAAC |
Volcanic Ash Advisory Centre |
|
VAC |
Visual Approach Chart (followed by name/title) |
|
VAL |
In Valleys |
|
VAR |
Magnetic Variation |
AIS |
VASIS |
Visual Approach Slope Indicator System |
AIS |
VC |
Vicinity of the aerodrome (followed by FG=fog, FC=funnel cloud, PO=dust/sand whirls, BLDU=blowing dust, BLSA=blowing sand or BLSN=blowing snow; eg, VCFG=vicinity fog |
AIS |
VCY |
Vicinity |
AIS |
VDF |
VHF Direction Finding Station |
AIS |
VEC |
Visual En-route Chart |
AIS |
VER |
Vertical |
AIS |
VFE |
Flap Extension Speed |
AIS |
VFR |
Visual flight rules |
AIS |
VHF |
Very High Frequency (30 to 300 MHZ) |
|
VHFCOM |
Very High Frequency Communications |
|
VIA |
By way of… |
AIS |
VIMD |
Maximum Drag Speed |
|
VIP |
Very Important Person |
AIS |
VIS |
Visibility |
|
VLE |
Maximum Speed with Landing Gear Extended |
AIS |
VLF |
Very Low Frequency (3 to 30 KHZ) |
AIS |
VLJ |
Very Light Jet |
|
VLO |
Landing Gear Operating |
AIS |
VLO2 |
Landing Gear Operation Down |
|
VLR |
Very Long Range |
|
VMAN |
Visual Manoeuvre Speed |
|
VMC |
Visual Meteorological Conditions |
AIS |
VMC |
Minimum Control Speed |
|
VMCA |
Minimum Control Airspeed Airborne (Red line speed) |
AIS |
VMCG |
Minimum Control Airspeed on the Ground |
|
VMO |
Maximum Structural Cruising Speed |
|
VNAV |
Vertical Navigation |
|
VNE |
Never Exceed Speed |
|
VNO |
Normal Operating Speed |
ICAO |
VOLMET |
Meteorological Information for Aircraft in Flight |
ICAO |
VOR |
VHF Omni-directional Radio Range (OMNI) |
|
VP |
Variable Pitch Propellers |
AIS |
VR |
The speed at which the aircraft is rotated to lift off from the runway |
AIS |
VRB |
Variable |
|
VSI |
Vertical Speed Indicator |
|
VSI |
Clean Stall Speed |
AIS |
VSL |
Vertical speed limit |
|
VSO |
Stalling speed, minimum steady flight speed in the landing configuration |
|
VSO |
Stall speed with undercarriage and flap selected |
ICAO |
VSSE |
Safe single-engine Speed |
CAR 1998 |
VTC |
Visual Terminal Chart |
|
VTOL |
Vertical take-off and landing |
|
VTOSS |
Take-off Safely Speed |
AIS |
VX |
Best Angle of Climb Speed |
ICAO |
VXSE |
Best Single-engine Angle of Climb Speed |
|
Vy |
Best Rate of Climb Speed |
|
VYSE |
Best Single-engine Rate of Climb Speed (Blue line speed) |
|
W |
Watt |
|
W |
West, West Longitude |
|
W |
White |
|
W/V |
Wind Velocity |
AIS |
WAAS |
Wide Area Augmentation System |
AIS |
WAC |
World Aeronautical Chart ICAO 1:1,000,000 (followed by name/title) |
|
WAFC |
World Area Forecast Centre |
|
WAFS |
World Area Forecast System |
AIS |
WATIR |
Weather and Terminal Information Reciter |
AIS |
WATOG |
World Airlines Technical Operations Glossary |
|
WB |
Westbound |
AIS |
WBM |
Weight And Balance Manual |
|
WDI |
Wind Direction Indicator |
AIS |
WDSPR |
Widespread |
WATOG |
WED |
Wednesday |
AIS |
WEF |
With Effect From, Effective From |
AIS |
WGS-84 |
World Geodetic System 1984 |
AIS |
WI |
Within |
AIS |
WID |
Width |
AIS |
WIE |
With Immediate Effect, Effective Immediately |
AIS |
WILCO |
Will Comply |
AIS |
WIND |
Wind (used in connection with direction and speed) WINTEM Forecast upper wind and temperature at specified points (in aeronautical met code) |
AIS |
WIP |
Work in Progress |
AIS |
WKN |
Weaken, Weakening |
AIS |
WM |
Wiring Manual |
AIS |
WMO |
World Meteorological Organisation |
AIS |
WNW |
West North-West |
WATOG |
WO |
Without |
|
WPT |
Way-point |
AIS |
WRNG |
Warning |
AIS |
WS |
Wind Shear |
AIS |
WSW |
West South-West |
AIS |
WT |
Weight |
AIS |
WTSPT |
Water Spout |
AIS |
WWW |
World Wide Web |
AIS |
WX |
Weather |
AIS |
X |
Cross |
AIS |
XBAR |
Crossbar (of approach lighting system) |
AIS |
XNG |
Crossing |
AIS |
XS |
Atmospherics |
AIS |
XSEC |
Extra Section |
AIS |
Y |
Yellow |
AIS |
YCZ |
Yellow Caution Zone |
WATOG |
YR |
Your/s |
AIS |
Z |
Coordinated Universal Time (in meteorological messages) |
AIS |