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Tiêu đề: Aviation abbreviations and acronyms Fri Mar 04, 2011 9:48 pm
Acronym Meaning Source . ...T Bearing (true) AIS A A Amber ICAO A/A Air to air AIS A/G Air-to-ground AIS A&P Airframes and Powerplants FAA AA Airservices Australia AAA Amended meterological message ICAO AAAA Aerial Agricultural 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 (document supporting 1998 CASRs) 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 Automative Direction Finding (equipment) AIS 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 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 AGE Aircraft Ground Equipment WATOG AGL Above Ground Level ICAO/AIP 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 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 (for purpose of CAR 1988 92(1)(d)) 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 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 (now CAO) ANS Answer ICAO ANTA Australian National Training Authority CASR Part 66 ANVIS Aviator Night Vision Imaging Systems AO Air Operator AOC Aerodrome Obstacle Chart (followed by name/title) AIS/AIP AOC Air Operators Certificate CASR Part 119 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 APR April ICAO/AIP 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 Advance Regulatory Change (legislative change project) CASA 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 ARG Aviation Reform Group 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 Indicatort 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 ATO Aviation Training Organisatio ATOG CASA's Air Transport Operations Group CASA ATP At.. (time or place) ICAO ATPL Airline Transport Pilot Licence ATS Air Traffic Service(s) CASR Part 172 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) AUG August AIS 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 B Blue ICAO/AIP BA Braking action ICAO BASA Bilateral Aviation Safety Agreement BASE Cloud Base (met) AIS BASI Bureau of Air Safety Investigation (now part of ATSB) 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 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 Civil Aviation Authority CAA NZ Civil Aviation Authority New Zealand CAAP Civil Aviation Advisory Publication CAR 1988 CAGRO Certified Air Ground Radio Operation AIP CAMP Continuous Airworthiness Maintenance Program CASR Part 145 CAO Civil Aviation Order CAR Civil Aviation Regulation (1988) [existing] CAR Civil Aviation Regulation (1998) [now known as 1998 CASR) CAS Calibrated air speed ICAO CASA Civil Aviation Safety Authority CASR Civil Aviation Safety Regulation 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 CoA 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 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 DCA Department of Civil Aviation (previous to CASA) 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 DOTARS Department of Transport and Regional Services 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 E East, East Longitude AIS E E E Error (to be used in AFS as a procedure signal) ICAO EASA European Aviaton 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 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 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 Section 30DK of the Civil Aviation Act 1988 EXC Except AIS EXCO Executive Council EXCOS Executive Council Secretariat EXER Exercises, Exercising, to exercise AIS EXP Expect, Expected, Expecting AIS EXTD Extend, Extending, Extended AIS F 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, Department of Transportation, 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 FEB February AIS 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 AIS FMS Fatigue management system CAR 1998 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 FRI Friday ICAO 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 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 G Gravity G Green AIS G-G Governor-General 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 GAOG CASA's General Aviation Operations Group CASA 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 H 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 High Frequency (3000 to 30,000 KHZ) AIS 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 HOL Holiday HOSP Hospital Aircraft AIS HP Horse Power HPA HectoPascal AIS HR Hours AIS HS Homestead AIS HS Service available during hours of scheduled operations AIS HSL Hold Short Lights AIS HUD Heads Up Display HURCN Hurricane AIS 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 I IA Inspection authorisation FAR IAC Instrument approach chart (followed by name/title) ICAO/AIP IAF Initial Approach Fix AIS IAL Instrument Approach and Landing Chart AIS IAO In and out of clouds AIS IAP Instrument Approach Plate IAR Intersection of air routes ICAO IAS Indicated air speed ICAO IATA International Air Transport Association IAW In Accordance With IAWP Initial Approach Way-point AIS IBN Identification Beacon AIS IC Ice Crystals (MET code) AIS ICA Instructions for continuing airworthiness (issued by manufacturer or designer) CAR 1998 ICAO International Civil Aviation Organization ICAO ICE Icing, Ice AIS ICUS In-command Under Supervision ID Identifier, identify AIS IDENT Identification AIS IF Instrument Flight IF Intermediate Approach Fix AIS IFF Identification Friend/Foe AIS IFR Instrument flight rules ICAO/AIP IFSD In-flight Shutdown IG Implementation Group IGA International general aviation /AIPICAO ILS Instrument Landing System AIS IM Inner Marker AIS IMC Instrument meteorological conditions (other than VMC) CAR 1988 IMC Indirect Maintenance Cost WATOG IMG Immigration AIS IMI Interrogation sign ICAO IMPR Improve, Improving, Improvement AIS IMT Immediate, Immediately AIS INA Initial approach ICAO INBD Inbound AIS INC In Cloud AIS INCERFA Uncertainty Phase AIS INFO Information AIS INOP Inoperative AIS INP If not possible ICAO INPR In progress ICAO INS Inertial Navigation System AIS 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 CAR 1988 IOC Indirect Operating Cost WATOG IPC Illustrated Parts Catalogue WATOG IR Ice on runway ICAO IRM Immediately Reportable Matters ISA International Standard Atmosphere AIS ISB Independent Sideband AIS ISG CASA's Information Services Group CASA ISOL Isolated AIS ITT Interstage Turbine Temperature IWI Illuminated Wind Indicator AIS IWP Intermediate Way-point AIS J J-BAR Jet Barrier AIS JAA Joint Aviation Authorities (of Europe) JAN January AIS JAR Joint Aviation Requirements (of the European JAA) JAR-OPS JAR Operations JF Saturday, Sunday and PH AIS JO Monday to Friday except PH AIS JTSO Joint Technical Standard Order JTST Jet Stream AIS JUL July AIS JUN June AIS K KG (kg) Kilograms AIS KHZ (kHz) Kilohertz AIS KM (km) Kilometers AIS KMH (km/h) Kilometers per Hour AIS KPA (kPa) Kilopascals AIS KT (kt) Knots AIS KW (kw) Kilowatts AIS L L Left (runway identification) AIS L Locator (see LM, LO) AIS LAAS Local Area Augmentation System LAHSO Land and Hold Short Operations AIS LAME Licensed Aircraft Maintenance Engineer CASR Part 66 LAN Inland AIS LAT Latitude AIS LDA Landing distance available ICAO/AIP LDG Landing AIS LDI Landing Direction Indicator AIS LDP Landing decision point ICAO LEN Length AIS LF Low Frequency (30 to 300 KHZ) AIS 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 LPT Liquid Penetrant Test LRCS Long-range communication system FAR LRG Long Range AIS LRI Line Replaceable Item WATOG LRNS Long-range navigation system FAR LRU Line Replaceable Unit WATOG LSA Light Sport Aircraft LSALT Lowest safe altitude LSG CASA's Legal Services Group CASA LTD Limited AIS LUL Lowest Usable Level AIS LV Light and Variable (relating to wind) AIS LVE Leave, Leaving AIS LVL Level AIS LYR Layer, Layered AIS M M Mach number (followed by figures ie .02 = Mach .02) AIS M (m) Metres (preceded by figures) AIS M/E Multi-engine MAE Men and Equipment AIS MAG Magnetic AIS MAHWP Missed Approach Holding Way-point AIS MAINT Maintenance AIS MAN Manual AIS MAP Aeronautical Maps and Charts AIS MAP Manifold Air Pressure MAPT Missed Approach Point ICAO/AIP MAR At Sea AIS MAR March AIS MAUW Maximum All Up Weight MAWP Missed Approach Waypoint AIS MAX Maximum AIS MBST Microburst AIS MBZ Mandatory Broadcast Zone AIP MCANTO CASA's Manufacturing, Certification and New Technologies Office (Now Airworthiness Engineering Branch) CASA MCC Multi-crew Co-ordination MCM Maintenance control manual CASR Part 145 MCQFS Manual of criteria for the qualification of flight simulators ICAO Doc 9625-AN/938 CASR Part 60 MCUR Mean Cycles Between Unscheduled Removals WATOG MCW Modulated Continuous Wave AIS MDA Minimum Descent Altitude AIS MDF Medium Frequency Direction Finding Station AIS MDR Major Defect Report CAR 1988 MEA Minimum En-route Altitude AIS MED Medical AIS MEL Minimum equipment list ICAO MERSITAB Manufacturing, Engineering and Related Services Industry Training Advisory Body CASR Part 66 MET Meteorological, Meteorology AIS MET REPORT Aviation routine weather report AIS 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 MIN Minutes AIS MIOL Medium Intensity Obstacle Lights AIS 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 ICAO MNM Minimum AIS MNT Monitor, Monitoring, AIS MNTN Maintain, Maintained, Maintaining AIS MOA Military Operating Area AIS MOC Minimum obstacle clearance (required) ICAO/AIP MOD Moderate, Moderately AIS MOD Moderate (used to indicate the intensity of WX phenomena, interference or static reports, eg MOD RA = moderate rain). AIS MON Above Mountains AIS MON Monday AIS MOPS Minimum Operational Performance Standards AIS MOS Manual of Standards CAR 1998 MOU Memorandum of understanding MOV Move, Moved, Moving, Movement AIS MOWP Method of Working Plan AIS MPD Maintenance Planning Data ATA/FAR MPI Magnetic Particle Inspection MPL Multi-crew Pilot Licence (MPL) ICAO Annex 1 'Personnel Licensing' MPS Metres per Second AIS MPT Magnetic Particle Inspection Technician MRB Maintenance Review Board ATA/FAR MRBR Maintenance Review Board Report MRG Medium Range AIS MRO Maintenance, repair and overhaul CASR Part 145 MRP ATS/MET Reporting Point AIS MS Minus AIS MSA Minimum sector altitude AIP MSAS Multi-function Transport Satellite (MTSAT) Satellite-based Augmentation System MSDS Material Safety Data Sheets MSG Message AIS MSG Maintenance Steering Group ATA/FAR MSG-3 Maintenance Steering Group Logic Process MSI Maintenance Significant Item WATOG MSL Mean Sea Level AIS MSOS Maintenance specific operation specification CASR Part 145 MSSR Monopulse Secondary Surveillance Radar AIS MT Mountain AIS MTBF Mean Time Between Failure WATOG MTBR Mean Time Between Removals WATOG MTBUR Mean Time Between Unscheduled Removals WATOG MTO Maintenance training organisation CASR Part 147 MTOW Maximum take-off weight AIP MTP Maximum Tyre Pressure AIS MTSAT Multi-function Transport Satellite MTTF Mean Time To Failure WATOG MTTR Mean Time To Repair WATOG MTTUR Mean Time To Unscheduled Removal WATOG MTUR Special Term For Data Transmittal WATOG MTW Mountain waves AIS MVA Minimum Vector Altitude AIS MWO Meteorological Watch Office AIS MX Mixed type of ice formation (white and clear) AIS N N North, North Latitude AIS N1 Gas Generator Speed N2 Second Stage Turbine Speed NAA National Airworthiness Authority (for a country other than Australia) CAR 1998 NAD Non-acqueous Developer NAIPS National aeronautical information processing system AIP NANDTB National Aerospace Non-destructive Testing Board NANU Notice Advisory to NavStar Users NAP Noise Abatement Procedures AIS NAS National Airspace System NASC National AIS System Centre AIS NASIG National Airspace System Implementation Group NAT NAVAID Training AIS NAV Navigation AIS NAVAID Navigation Aid AIS NAWD Non-acqueous Wet Developer NB Northbound AIS NBFR Not Before AIS NC No Change AIS NDB Non-directional Radio Beacon AIS NDI Non-destructive inspection CAR 1988 NDT Non-destructive testing CAR 1988 NE Northeast AIS NEG Negative, No. Permission not granted or, That is not correct AIS NFRM Notice of Final Rule Making CASA NG Gas Generator Speed NGT Night AIS NIL None AIS 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 AIP NOV November AIS NOZ Normal Operating Zone AIS NP Propeller Speed NPA Non-precision approach (procedures at aerodromes) AIS NPC Notice of proposed change (consultation for amendment to a MOS) CAR 1998 NPRM Notice of proposed rule making CASA NSC Nil Significant Cloud AIS NTA No TAF Amendment AIS NTL National AIS NTS Negative Torque Sensing System NTSB National Transportation Safety Board (of the USA) NTZ No-transgression zone AIP/ICAO NVD Night Vision Device NVED Night Vision Enhancement Devices NVET National vocational education and training CASR Part 66 NVFR Night Visual Flight Rules NVG Night Vision Goggles (by the MIL) AIS NVIS Night Vision Imaging Systems NW North-West AIS NXT Next AIS NZ New Zealand NZ CAA New Zealand Civil Aviation Authority NZS New Zealand Standard O O/R On Request OAR Office of Airspace Regulation CASA OAT Outside Air Transport OAT Outside Air Temperature OBS Observe, Observed, Observation OBS Omni Bearing Selector 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 OCT October OCTA Outside Control Area AIS OCTR Outside Control Zone OEI One Engine Inoperative OEM Original Equipment Manufacturer OFZ Obstacle Free Zone OHD Overhead OIS Obstacle Identification Surface OLC Office of Legal Counsel OLD Office of Legislative Drafting (replaced by OLDP) at the Attorney-General's Department OLDI On-line Data Interchange OLDP Office of Legislative Drafting and Publishing (previously OLD) at the Attorney-General's Department OLS Obstacle Limitation Surface 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 ORR Office of Regulation Review (at the Productivity Commission) ORS Online Response System - a CASA online form for consultation documents such as DPs, NPRMs, NPCs, draft ACs and draft CAAPs CASA OSIP Overhaul and Special Inspections Periods OT Other Times OTAC Overseas Territories Aviation Circulars - developed by ASSI, a wholly-owned subsidiary of the UK Civil Aviation Authority. ASSI oversees aviation safety in the UK's overseas territories. Air Safety Support International (UK) OTAR Overseas Territories Aviation Requirements - developed by ASSI, a wholly-owned subsidiary of the UK Civil Aviation Authority. ASSI oversees aviation safety in the UK's overseas territories. Air Safety Support International (UK) OTLK Outlook (used in Sigmet messages for volcanic ash and tropical cyclones) OTP On Top OUBD Outboard OVC Overcast OW Over Water P P.. Prohibited Area (followed by identification) AIS PA Precision Approach PAL Pilot Activated Lighting AIS PANS Procedures for Air Navigation Services AIS PANS-OPS Procedures for Air Navigation Services - Aircraft Operations (ICAO Doc 8168 Vol I & II) ICAO PAPI Precision Approach Path Indicator AIS PAR Precision Approach Radar AIS PARL Parallel AIS PATC Precision Approach Terrain Chart (followed by name/title) AIS PAX Passengers AIS PBM Power Plant Build-Up Manual WATOG PC Personal Computer PCATD Personal Computer-based Aviation Training Device PCD Proceed, Proceeding AIS PCL Pilot Controlled Lighting AIS PCN Pavement classification number ICAO/AIP PCT Practical consolidation training CASR Part 66 PDC Pre-Departure Clearance AIS PDO Product distribution organisation CASR Part 144 PDOP Positional Dilution of Precision PDSE Pre-departure Service Check PEC Pressure Error Correction AIS PERM Permanent AIS PFC Porous Friction Course AIS PFR Preferred Route AIS PH Public Holiday AIS PIB Pre-flight information bulletin ICAO/AIP PIC Pilot-in-command CAR 1988 PICUS Pilot-in-Command Under Supervision PIFR Private IFR rating CAR 1988 PILS Practice ILS AIS PIREP Pilot Reports WATOG PJE Parachute Jumping Exercise AIS PL Ice Pellets AIS PLET CASA's Personnel Licensing, Education and Training Group CASA PLN Flight Plan AIS PLVL Present Level AIS PMP Primary Maintenance Process WATOG PN Prior Notice Required AIS PNR Point of No Return AIS PO Dust Devils AIS POB Persons on Board AIS POH Pilot Operating Handbook POSS Possible AIS PPI Plan Position Indicator AIS PPL Private Pilot Licence CAR 1988 PPR Prior Permission Required AIS PPS Precise Positioning Service PPSN Present Position AIS PRD Prohibited, Restricted and Danger Areas AIS PRFG Aerodrome Partially Covered by Fog (MET code) AIS PRI Primary AIS PRKG Parking AIS PRM Precision Runway Monitoring AIS PRM Precision runway monitoring AIP PROB Probable, Probability AIS PROC Procedure AIS 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 PVT Private AIS PWR Power AIS Q QDM Magnetic Heading (zero wind) AIP QDR Magnetic Bearing AIP QEC Quick Engine Change Unit WATOG QFE An altimeter set to QFE will read zero when the aircraft is on the runway QNH Altimeter subscale setting to obtain elevation or altitude AIS QTE True Bearing AIP QTG Qualification test guide QUAD Quadrant AIS R R Red AIS R Right (runway system identification) AIS R.... Restricted Area (followed by number) AIS R/T Radio Telephone RA Rain AIS RA-Aus Recreational Aviation Australia (previously the AUF) RAA Recreational Aviation Australia (previously the AUF) RAAO Recreational Aviation Administrative Organisation RAC Rules of the Air and Air Traffic Services AIS RAD Radius AIS RAeS Royal Aeronautical Society RAFC Regional Area Forecast Centre AIS RAG Ragged AIS RAG Runway Arresting Gear AIS RAI Runway Alignment Indicator AIS RAIM Receiver Autonomous Integrity Monitoring AIS RAM Repair and Maintenance RAP Regulatory Advisory Panel RAPAC Regional Airspace Users Advisory Committee RAPIC Radar Picture (MET) AIS RAS Radar Advisory Service AIS RASC Regional AIS System Centre AIS RAT RAM Air Turbine RCA Reach Cruising Altitude, AIS RCA Request For Corrective Action AIS 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 RDCP CASA's Regulatory Development Coordination Panel CASA RDL Radial AIS RDMB CASA's Regulatory Development Management Branch CASA RDO Radio AIS RE... Recent (used to qualify weather phenomena, eg RERA = recent rain) AIS 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 ICAO/AIP RESTR Restrictions AIS REV Review AIS RFACA Royal Federation of Aero Clubs of Australia RFC Request for change RFC Regional Forecasting Centre (Met) AIS RFFS Rescue and Fire Fighting Services AIS RFP Regulatory Framework Program (superceded by RRP) CASA RH Radio Height AIS RHC Right-hand Circuit AIS RIF Reclearance in Flight AIS RIFTO Restricted Instrument Flight Take-off RIS Regulation Impact Statement ORR RIS Radar information service AIP/ICAO RL Report Leaving AIS RLA Relay to AIS RLLS Runway Lead-in Lighting AIS RMIT Royal Melbourne Institute of Technology RMK Remark(s) AIS RMK Root Mean Square RNAV Area navigation AIP RNP Required navigation performance RO Registered operator CASR Part 43 ROBEX Regional OPMET Bulletin Exchanges AIS ROC Rate of Climb AIS ROD Rate of Descent AIS ROFOR Route Forecast (in aeronautical meteorological code) AIS RPA Rules and practices for aerodromes CAR 1988 RPI Radar Position Indicator AIS RPI Regulatory Performance Indicator CAR 1988 RPI Runway Point of Intercept AIS RPL Recognition of prior learning CASR Part 66 RPM Revolutions Per Minute RPT Regular public transport CAR 1988 RQ Require(d) AIS RQMNTS Requirements AIS RR Report Reaching AIS RRM Routine Reportable Matters RRP Regulatory Reform Programme (now closed) CASA RRPI Regulatory Reform Programme Implementation (now closed) CASA RSC Rescue Sub-Centre AIS RSCD Runway Surface Condition AIS RSP Responder Beacon AIS RSR En route Surveillance Radar AIS RSVP Regulatory Structure and Validation Project (superceded by RFP) CASA RTB Return to Base RTCA Radio Technical Commission for Aeronautics RTE Route AIS RTF Radio Telephone AIS RTHL Runway Threshold Light(s) AIS RTIL Runway Threshold Identification Lights AIS RTN Return, Returned, Returning AIS RTO Rejected take-off AIP RTO Registered training organisation CASR Part 147 RTS Return to Service AIS RTZL Runway Touchdown Zone Light(s) AIS RVR Runway visual range AIP/ICAO RVSM Reduced Vertical Separation Minimum ICAO/CAR 1988 RWS Runway Strip AIS RWY Runway AIS S S South, South Latitude AIS S-I Straight-In AIP S/B Service Bulletin WATOG S/E Single-engine SA Sand AIS SA Selective Availability SA Situation Awareness SAAA Sport Aircraft Association of Australia SAL Supplementary Airline Licence AIS SALr Saturated Adiabatic Lapse Rate SALS Simple Approach Lighting System AIS SAR Search and Rescue AIS SARPs Standards and Recommended Practices (ICAO) ICAO SARTIME Time search action required AIS SARWATCH Search and Rescue Watch SAT Saturday AIS SATCOM Satellite Communication AIS SB Southbound AIS SBAS Satellite Based Augmentation System SC Stratocumulus AIS SCC Standards Consultative Council CASA SCT Scattered (meteorological) AIS SDBY Standby AIS SDC Standard Departure Clearance AIS SDR Service difficulty report CAR 1998 SE South East AIS SEA Sea (used in connection with sea-surface temperature and state of the sea) AIS SEACO Single engine aircraft only SEC Seconds AIS SECN Section AIS SECT Sector AIS SELCAL Selective Calling System AIS SEP September 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 SID Standard instrument departure ICAO/AIP SIF Selective Identification AIS SIG Significant AIS SIGMET Information concerning en route weather phenomena which may affect the safety of aircraft operations AIS SIL Service Information Letter SIMUL Simultaneous, or Simultaneously AIS SKC Sky Clear AIS SKED Schedule, Scheduled AIS SL Service Letter SLP Speed Limiting Point AIS SLW Slow, Slowly AIS SMC Surface Movement Control AIS SMR Surface Movement Radar AIS SMS Safety management system CAR 1998 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 AIS SOC Start of Climb AIS SOE Schedule of experience CAR 1988 SOM (SoM) System of Maintenance CAR 1998 SOPS Standard Operating Procedures SOR Summary of responses (to DP or NPRM) CASA SOT Start of TORA (take-off) AIS SP Single Pilot AIS 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 SQ Squall AIS SR Sunrise AIS SRD Standard Radar Departure AIS SRG Short Range AIS SRM Structural Repair Manual WATOG SRR Search and Rescue Region AIS SRY Secondary AIS SS Sandstorm AIS SS Sunset AIS SSB Single Sideband AIS SSCRO Senate Standing Committee on Regulations and Ordinances SSE South South-East AIS SSI Structural Significant Item WATOG SSM System Schematics Manual WATOG SSR Secondary Surveillance Radar AIS SST Supersonic Transport AIS SSW South South-West AIS ST Stratus AIS STA Straight in Approach AIS STAR Standard Arrival Route AIP STAR Standard instrumental arrival ICAO STARs Standard terminal arrival routes STC Supplemental Type Certificate CASR Part 21 STD Synthetic training device CASR Part 60 STD Standard AIS STF Stratiform AIS 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 SUN Sunday 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 T Temperature AIS T-VASIS 'T'Visual Approach Slope Indicator System (pronounced 'TEE-VAR-SIS') AIS TA Transition Altitude AIS TA Traffic advisory ICAO/AIP TAAATS The Australian Advanced Air Traffic System TAAM Airservices Australia's Total Airspace Airport and Aerodrome Modeller AIS TAC Terminal Area Chart AIS TACAN Tactical Air Navigation Aid AIS TAF Aerodrome Forecast AIS TAF Terminal Area Forcast TAIL Tailwind AIS TAR Terminal Area Surveillance Area AIS TAS True Airspeed AIS TAT Terminal Area Thunderstorm Service (meteorological term) AIS TAWS Terrain awareness and warning system CAO 20.18 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. CAO Part 20, Section 20.18, Issue 9 TAX Taxiing, Taxi AIS TBA To be advised AIS TBO Time Between Overhauls WATOG TC Type Certificate CASR Part 21 TC Tropical Cyclone AIS TC5 Technical Committee 5 - AME Licensing Committee established under RFP CASA TCAC Tropical Cyclone Advisory Centre TCAS Traffic alert and collision avoidance system ICAO TCDS Type certificate data sheet CASR Part 21 TCH Threshold Crossing Height AIS TCO Training and Checking Organisation TCTA Trans-continental Control Area AIS TCU Towering Cumulus (met) AIS TDO Tornado AIS TDZ Touchdown Zone AIS TECR Technical Reason AIS TEL Telephone AIS TEM (Illustrated) Tool And Equipment Manual WATOG TEM Threat and Error Management TEMPO Temporary, Temporarily (meteorologically) AIS TERPs Terminal and En-route procedures AIS 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 THU Thursday AIS TIBA Traffic Information Broadcasts by Aircraft AIS TIL Until AIS TIP Until Past (place) AIS TIS Time in service TKOF Take-off AIS TLOF Touchdown and lift-off area ICAO TLS Transponder Landing System TLW Time Limited WIP (work in progress) AIS TMA Terminal Control Area AIS TMG Track Made Good TNA Turn Altitude AIS TNH Turn Height AIS TNS Transitional Surface AIS TOC Top of Climb AIS TODA Take-off distance available ICAO TOP Cloud Top AIS TORA Take-off run available ICAO TOT Turbine Outlet Temperature TP Turning Point AIS TR Track AIS TRA Temporary Reserved Airspace AIS TRAN Transition AIS TRANS Transmits, Transmitter AIS Trike A manned, powered hang-glider TRL Transition Level AIS TROP Tropopause AIS 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 WATOG TSO Technical Standard Order TSO Time Since Overhaul WATOG TTF Trend Type Forecast AIS TTMRA Trans Tasman Mutual Recognition Agreement TUE Tuesday AIS TURB Turbulence AIS TWR Aerodrome Control Tower, Aerodrome Control AIS TWY Taxiway AIS TWYL Taxiway Link AIS TYP Type of Aircraft AIS TYPH Typhoon AIS U U/S Unserviceable AIS UAB Until Advised By AIS UAV Unmanned aerial vehicles CASR Part 101 UDF UHF Direction Finding Stations AIS UFIT Uncontrolled Flight Into Terrain UFN Until Further Notice AIS UHDT Unable Higher Due Traffic AIS UHF Ultra High Frequency (300 to 3,000 MHZ) AIS UIR Upper Flight Information Region AIS UK United Kingdom UL Upper Limits AIS UNA Unable AIS UNAP Unable to Approve AIS UNICOM Universal Communications UNL Unlimited AIS UNLC Unlicensed AIS UNREL Unreliable AIS US United States US FAR Federal Aviation Regulations (of the USA) USA United States of America UTA Upper Control Area AIS UTC Coordinated Universal Time AIS V V Velocity V1 Take-off Decision Speed V2 Take-off Safety Speed (Applicable to Larger Multi-engine Aircraft) VA Volcanic Ash AIS VA Maximum Manoeuvring Speed VAA-H Visual Approach Area - Helicopter VAAC Volcanic Ash Advisory Centre VAC Visual Approach Chart ( followed by name/title) AIS VAL In Valleys AIS 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 VFR Visual flight rules VHF Very High Frequency (30 to 300 MHZ) AIS VHFCOM Very High Frequency Communications VIA By way of... AIS VIMD Maximum Drag Speed VIP Very Important Person AIS VIS Visibility AIS VLE Maximum Speed with Landing Gear Extended VLF Very Low Frequency (3 to 30 KHZ) AIS VLJ Veryl Light Jet VLO Landing Gear Operating VLO2 Landing Gear Operation Down VLR Very Long Range AIS VMAN Visual Maneouvre Speed VMC Visual Meteorological Conditions AIS VMC Minimum Control Speed VMCA Minimum Control Airspeed Airborne (Red line speed) VMCG Minimum Control Airspeed on the Ground VNAV Vertical Navigation VNE Never Exceed Speed ICAO VNO Maximum Structural Cruising Speed ICAO VNO Normal Operating Speed VOLMET Meteorological Information for Aircraft in Flight AIS VOR VHF Omni-directional Radio Range (OMNI) AIS VP Variable Pitch Propellers VR The speed at which the aircraft is rotated to lift off from the runway VRB Variable AIS VSI Vertical Speed Indicator VSI Clean Stall Speed VSL Vertical speed limit ICAO VSO Stalling speed, minimum steady flight speed in the landing configuration CAR 1998 VSO Stall speed with undercarriage and flap selected VSSE Safe single-engine Speed VTC Visual Terminal Chart AIS VTOL Vertical take-off and landing ICAO VTOSS Take-off Safely Speed VX Best Angle of Climb Speed 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 W Watt W West, West Longitude AIS W White AIS W/V Wind Velocity WAAS Wide Area Augmentation System WAC World Aeronautical Chart ICAO 1:1,000,000 (followed by name/title) AIS WAFC World Area Forecast Centre AIS WAFS World Area Forecast System WATIR Weather and Terminal Information Rectifier AIS WATOG World Airlines Technical Operations Glossary WB Westbound AIS WBM Weight And Balance Manual WATOG WDI Wind Direction Indicator AIS WDSPR Widespread AIS 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 WATOG WMO World Meteorological Organisation WNW West North-West AIS WO Without AIS 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 X Cross AIS XBAR Crossbar (of approach lighting system) AIS XNG Crossing AIS XS Atmospherics AIS XSEC Extra Section WATOG Y Y Yellow AIS YCZ Yellow Caution Zone AIS YR Your/s AIS Z Z Coordinated Universal Time (in meteorological messages) AIS