AIP MALDIVES

GEN 2.2 - 115 JUL 99

GEN 2.2 ABBREVIATIONS USED IN AIS PUBLICATIONS

Abbreviations marked with an asterisk (*) are either different from or are not contained in ICAO Doc 8400.

AA AmberAAA (or AAB, AAC ....etc, in sequence)

Amended meteorological message (message type designator)

A* AlphaAA* All after...A/A Air-to-airAACC* Area Approach Control CentreAAL Above aerodrome levelAB* All before...ABM AbeamABN Aerodrome beaconABT AboutABV AboveABV* Repeat (or I repeat) the figures in

abbreviated formAC AltocumulusACAS Airborne collision avoidance systemACC Area control centre or area controlACCID Notification of an aircraft accidentACFT AircraftACK AcknowledgeACL Altimeter check locationACN Aircraft classification numberACP Acceptance (message type designator)ACPT Accept or acceptedACT Active or activated or activityAD AerodromeADA Advisory areaADDN Addition or additionalADF Automatic direction-finding equipmentADIZ Air defence identification zoneADJ AdjacentADR Advisory routeADS Automatic dependent surveillanceADS* The addressADSU Automatic dependent surveillance unitADVS Advisory serviceADZ AdviseAES Aircraft earth stationAFC* Area forecast centreAFIL Flight plan filed in the airAFIS Aerodrome flight information service

AFM Yes or affirm or affirmative or that is correct

AFS Aeronautical fixed serviceAFT After. . . . . . . . (time or place)AFTN Aeronautical fixed telecommunication

networkA/G Air-to-ground

AGA Aerodromes, air routes and ground aidsAGL Above ground levelAGN AgainAIC Aeronautical information circularAIP Aeronautical information publicationAIRAC Aeronautical information regulation and

controlAIREP Air-reportAIS Aeronautical information servicesALA Alighting areaALERFA Alert phaseALR Alerting (message type designator)ALRS Alerting serviceALS Approach lighting systemALT AltitudeALTN Alternate or alternating (light alternates in

colour)ALTN Alternate (aerodrome)AMA Area minimum altitudeAMD Amend or amended (used to indicate

amended meteorological message, message type designator)

AMDT Amendment (AIP Amendment)AMS Aeronautical mobile serviceAMSL Above mean sea levelAMSS Aeronautical mobile satellite serviceANS AnswerAOC Aerodrome obstruction chartAOC* Assumption of control messageAP AirportAPCH ApproachAPP Approach control office or approach

control serviceAPR AprilAPRX Approximate or approximatelyAPSG After passingAPV Approve or approved or approval

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2nd EditionAIRAC AIP AMDT 1/99

AIP MALDIVES

GEN 2.2 - 215 JUL 99

AR* End of transmission [._._.}ARFOR Area forecast (in aeronautical

meteorological code)ARMET* Forecast upper wind and temperature at

specified pointsARNG ArrangeARO Air traffic services reporting officeARP Aerodrome reference pointARP Air-report (message type designator)ARQ Automatic error correctionARR Arrive or arrivalARR Arrival (message type designator)ARS Special air-report (message type

designator)ARST Arresting (specify (part of) aircraft

arresting equipment)AS AltostratusAS* Wait [._...]ASC Ascend to or ascending toASDA Accelerate-stop distance availableASPH AsphaltAT... At (followed by time at which weather

change is forecast to occur)ATA Actual time of arrivalATC Air traffic control (in general)ATD Actual time of departureATFM Air traffic flow managementATIS Automatic terminal information serviceATM Air traffic managementATN Aeronautical telecommunication networkATP At... (time or place)ATS Air traffic servicesATTN AttentionATZ Aerodrome Traffic ZoneAUG AugustAUTH Authorized or authorizationAUW All up weightAUX AuxiliaryAVASIS Abbreviated visual approach slope

indicator systemAVBL Available or availabilityAVG AverageAVGAS Aviation gasolineAWTA Advise at what time ableAWY AirwayAZM Azimuth

BB BlueB* BravoBA Braking actionBASE Cloud base

BCFG Fog patchesBCN Beacon (aeronautical ground light)BCST BroadcastBDRY BoundaryBECMG BecomingBFR BeforeBK* Signal used to interrupt a transmission in

progressBKN BrokenBL... Blowing (followed by DU = dust, SA =

Sand or SN = Snow)BLDG BuildingBLO Below cloudsBLW Below. . . . . . . .BOMB BombingBQ* A reply to an RQBR MistBRF Short (used to indicate the type of

approach desired or required)BRG BearingBRKG BrakingBS Commercial broadcasting stationBT* Separative sign [ ]BTL Between layersBTN Between

CC Centre (runway identification)C Degrees Celsius (Centigrade)CAT CategoryCAT Clear air turbulenceCAVOK (to be pronounced “KAV-OH-KAY”)

Visibility, cloud and present weather better than prescribed values or conditions

CB (to be pronounced “CEE BEE”) Cumulonimbus

CC CirrocumulusCCA (or CCB, CCC .... etc, in sequence)

Corrected meteorological message (message type designator)

CD CandelaCDN Co-ordination (message type designator)CF Change frequency toCFM* Confirm or I confirmCGL Circling guidance light(s)CH ChannelCH* This is a channel continuity check

transmission to permit comparison of your record of channel sequence numbers of messages received on the channel

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2nd EditionAIRAC AIP AMDT 1/99

AIP MALDIVES

GEN 2.2 - 305 AUG 04

CHG Modification (message type designator)CI CirrusCIDIN Common ICAO data interchange networkCIT Near or over large townsCIV CivilCK CheckCL Centre lineCL* I am closing my stationCLA Clear type of ice formationCLBR CalibrationCLD CloudCLG CallingCLR Clear(s) or cleared to. . . . . . . . or

clearanceCLSD Close or closed or closingCM CentimetreCMB Climb to or climbing toCMPL Completion or completed or completeCNL Cancel or cancelledCNL Flight plan cancellation (message type

designator)CNS Communications, navigation and

surveillanceCOM CommunicationsCON* CONSOLCONC ConcreteCOND ConditionCONS ContinuousCONST Construction or constructedCONT Continue(s) or continuedCOOR Co-ordinate or co-ordination-COP Change-over pointCOR Correct or correction or corrected (used

to indicate corrected meteorological message; message type designator)

COR* Technical correction messageCOT At the coastCOV Cover or covered or coveringCP* General call to two or more specified

stationsCPL Current flight plan (message type

designator)CRZ CruiseCS CirrostratusCS* Call sign (used to request a call sign)CTA Control areaCTAM Climb to and maintainCTC Contact

CTF* I am referring to the originator (or...stations) to answer your answer your query [or the following groups have been referred back to the originator for confirmation or correction]

CTL ControlCTN CautionCTR Control zoneCU CumulusCUF CumuliformCUST CustomsCW Continuous waveCWY Clearway

DD... Danger area (followed by identification)D Downward (tendency in RVR during

previous 10 minutes)DA Decision altitudeDCD Double channel duplexDCKG DockingDCS Double channel simplexDCT Direct (in relation to flight plan

clearances and type of approach)DE* From (used to proceed the call sign of

the calling station)DEC DecemberDECCA* DECCADEG DegreesDENEB Fog dispersal operationsDEP Depart or departureDEP Departure (message type designator)DES Descend to or descending toDEST DestinationDETRESFA

Distress phase

DEV Deviation or deviatingDF* I am connecting you to the station you

requestDFTI Distance from touchdown indicatorDH Decision heightDIF DiffuseDIST DistanceDIV Divert or divertingDLA Delay (message type designator)DLA Delay or delayedDLYDME

DailyDistance measuring equipment

DNG Danger or dangerousDOM DomesticDP Dew point temperatureDPT Depth

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AIP MALDIVES

GEN 2.2 - 415 JUL 99

DR Dead reckoningDR... Low drifting (followed by DU = dust, SA =

sand or SN = snow)DRG DuringDS DuststormDSB Double sidebandDTAM Descend to and maintainDTG Date-time groupDTRT Deteriorate or deterioratingDTW Dual tandem wheelsDU DustDUC Dense upper cloudDUPE* This is a duplicate messageDUR DurationDVOR Doppler VORDW Dual wheelsDZ Drizzle

EE East or eastern longitudeEAT Expected approach timeEB EastboundE E E* ErrorEET Estimated elapsed timeEFC Expect further clearanceEHF Extremely high frequency (30 000 to 300

000 MHz)ELBA Emergency location beacon - aircraftELEV ElevationELR Extra long rangeEM EmissionEMBD Embedded in a layer (to indicate

cumulonimbus embedded in layers of other clouds)

EMERG EmergencyEND Stop-end (related to RVR)ENE East north eastENG EngineENRT En routeEOBT Estimated off-block timeEQPT EquipmentER Here....or herewithESE East south eastEST Estimate or estimated or estimate

(message type designator)EST* Estimated time over significant point or

estimate or estimatedETA Estimated time of arrival or estimating

arrivalETD Estimated time of departure or estimating

departureETO Estimated time over significant point

EV EveryEXC ExceptEXCER Exercises or exercising or to exerciseEXP Expect or expected or expectingEXTD Extend or extending

FF FixedFAC FacilitiesFAF Final approach fixFAL Facilitation of international air transportFAP Final approach pointFATO Final approach and take-off areaFAWP* Final approach way pointFWP* Feeder waypointFAX Facsimile transmissionFBL Light (used to indicate the intensirt of

weather phenomena, interference of static reports, e.g. FBL RA = light rain)

FC Funnel cloud (tornado or water spout)FCST ForecastFCT Friction coefficientFEB FebruaryFG FogFIC Flight information centreFIR Flight information regionFIS Flight information serviceFISA Automated flight information serviceFL Flight levelFLD FieldFLG FlashingFLR FlaresFLT FlightFLTCK Flight checkFLUC Fluctuating or fluctuation or fluctuatedFLW Follow(s) or followingFLY Fly or flyingFM FromFM... From (followed by time weather change

is forecast to begin)FMU Flow management unitFNA Final approachFOT* Units of English systemFPL Filed flight plan (message type

designator)FPM Feet per minuteFPR Flight plan routeFR Fuel remainingFREQ FrequencyFRI FridayFRNG Firing

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2nd EditionAIRAC AIP AMDT 1/99

AIP MALDIVES

GEN 2.2 - 515 JUL 99

FRONT Front (relating to weather)FRQ FrequentFSL Full stop landingFSS Flight service stationFST FirstFT Feet (dimensional unit)FU SmokeFZ FreezingFZDZ Freezing drizzleFZFG Freezing fogFZRA Freezing rain

GG GreenG* GolfGA* Go ahead, resume sendingG/A Ground-to-airG/A/G Ground-to-air and air-to-groundGCA Ground controlled approach system or

ground controlled approachGEN GeneralGEO Geographic or trueGES Ground earth stationGLD GliderGND GroundGNDCK Ground checkGNSS Global navigation satellite systemGP Glide pathGPS* Global Positioning SystemGR HailGRASS Grass landing areaGRID Processed meteorological data in the

form of grid point values (in aeronautical meteorological code)

GRVL GravelGS Ground speedGS Small hail and/or snow pellets

HH24 Continuous day and night serviceHAPI Helicopter approach path indicatorHBN Hazard beaconHDF High frequency direction-finding stationHDG HeadingHEL HelicopterHF High frequency (3 000 to 30 000 KHz)HGT Height or height aboveHJ Sunrise to sunsetHLDG HoldingHN Sunset to sunrise

HO Service available to meet operational requirements

HOL HolidayHOSP Hospital aircraftHPA HectopascalHR HoursHS Service available during hours of

scheduled operationsHURCN HurricaneHVDF High and very high frequency direction-

finding stations (at the same location)HVY HeavyHVY Heavy (used to indicate the intensity of

weather phenomena, e.g. HVY RA = heavy rain)

HX No specific working hoursHYR HigherHZ Dust hazeHZ Hertz (cycle per second)

IIAC Instrument approach chartIAF Initial approach fixIAL* Instrument approach and landing chartIAO In and out of cloudsIAR Intersection of air routesIAS Indicated air speedIAWP* Initial approach waypointIBN Identification beaconIC Diamond dust (very small ice crystals in

suspension)ICE IcingID Identifier or identityIDENT IdentificationIF Intermediate approach fixIFF Identification friend/foeIFR Instrument flight rulesIGA International general aviationILS Instrument landing systemIM Inner markerIMC Instrument meteorological conditionsIMG ImmigrationIMI* Interrogation sign (question mark) [.._..]IMPR Improve or improvingIMT Immediate or immediatelyINA Initial approachINBD InboundINC In cloudINCERFA Uncertainty phaseINFO InformationINOP InoperativeINP If not possible

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AIP MALDIVES

GEN 2.2 - 615 JUL 99

INPR In progressINS Inertial navigation systemINSTL Install or Installed or InstallationINSTR InstrumentINT IntersectionINTL InternationalINTRG InterrogatorINTRP Interrupt or interruption or interruptedINTSF Intensify or intensifyingINTST IntensityIR Ice on runwayISA International standard atmosphereISB Independent side bandISOL IsolatedIWP* Intermediate waypoint

JJAN JanuaryJM* Make a series of dashes if I may

transmit. Make a series of dots to stop my transmission

JTST Jet streamJUL JulyJUN June

KK* Invitation to transmitKA* Start-of message signal in Morse

telegraphyKG KilogramsKHZ KilohertzKM KilometresKMH Kilometres per hourKPA KilopascalKT KnotsKW Kilowatts

LL Left (runway identification)L Locator (see LM, LO)LAM Logical acknowledgement (message

type designator)LAN InlandLAT LatitudeLCN* Load classification numberLDA Landing distance availableLDAH Landing distance available, helicopterLDG LandingLDI Landing direction indicatorLEFT* Left (direction indicator)LEN Length

LF Low frequency (30 to 300 KHz)LGT Light or lightingLGTD LightedLIH Light intensity highLIL Light intensity lowLIM Light intensity mediumLLZ LocalizerLM Locator, middleLMT Local mean timeLNG Long (used to indicate the type of

approach desired or required)LO* Connect me to a perforator receiverLO Locator, outerLOC Local or locally or location or locatedLONG LongitudeLORAN LORAN (long range air navigation

system)LR* The last message received by me was....LRG Long rangeLS* The last message sent by me was (or

last message was)LSQ Line squallLTD LimitedLTT Landline teletypewriterLV Light and variable (relating to wind)LVE Leave or leavingLVL LevelLYR Layer or layered

MM Mach Number (followed by figures)M Metres (preceded by figures)MAA Maximum authorized altitudeMAG MagneticMAHWP* Missed approach holding waypointMAWP Missed approach waypointMAINT MaintenanceMAP Aeronautical maps and chartsMAPT Missed approach pointMAR At seaMAR MarchMAS Manual A1 simplexMAX MaximumMAY MayMC* Multiple copy for delivery to...(number)

addresseesMCA Minimum crossing altitudeMCW Modulated continuous waveMDA Minimum descent altitudeMDF Medium frequency direction finding

station

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2nd EditionAIRAC AIP AMDT 1/99

AIP MALDIVES

GEN 2.2 - 718 NOV 10

MDH Minimum descent heightMEA Minimum en-route altitudeMEHT Minimum eye height over threshold (for

visual approach slope indicator systems)MET Meteorological or meteorologyMETAR Aviation routine weather report (in

aeronautical meteorological code)MF Medium frequency (300 to 3 000 KHz)MHDF Medium and high frequency direction-

finding stations (at the same location)MHVDF Medium, high and very high frequency

direction-finding stations (at the same location)

MHZ MegahertzMID Mid-point (related to RVR)MIFG Shallow fogMIL MilitaryMIN MinutesMIS* Missing...(transmission identification)MKR Marker radio beaconMLS Microwave landing systemMM Middle markerMMMM* Connect to... stations (used in multiple

transmission, followed by call signs of stations)

MNM MinimumMNPS Minimum navigation performance

specificationsMNT Monitor or monitoring or monitoredMNTN MaintainMOA Military operating areaMOC Minimum obstacle clearance (required)MOD Moderate (used to indicate the intensity

of weather phenomena, interference or static report, e.g. MOD RA = moderate rain)

MON Above mountainMON MondayMOTNE Meteorological Operational

Telecommunications Network EuropeMOV Move or moving or movementMPS Metres per secondMRA Minimum reception altitudeMRG Medium rangeMRP ATS/MET reporting pointMS MinusMSA Minimum safe altitudeMSG MessageMSL Mean sea levelMSR* Message...(transmission identification)

has been misrouted.MSSR Mono pulse secondary surveillance radarMT Mountain

MTU Metric unitsMTW Mountain wavesMVDF Medium and very high frequency

direction-finding stations (at the same location)

MWO Meteorological watch officeMX Mixed type of ice formation (white and

clear)

NN North or northern latitudeN No distinct tendency in (RVR during

previous 10 minutes)NAT North AtlanticNAV NavigationNB NorthboundNBFR Not beforeNC No changeND* I am unable to deliver message... (filling

number) address to aircraft... (Identification); please notify message originator

NDB Non-directional radio beaconNE North-eastNEB North-eastboundNEG No or negative or permission not granted

or that is not correctNEH* I am connecting you to to a station which

will accept traffic for the station you request

NGT NightNIL None of I have nothing to send to youNM Nautical milesNML NormalNNE North north eastNNW North north westNO* NoNOF International NOTAM OfficeNOSIG No significant change (used in trend-type

landing forecasts)NOTAM A notice containing information

concerning the establishment, condition or change in any aeronautical facility, service, procedure or hazard, the timely knowledge of which is essential to personnel concerned with flight operations

NOV NovemberNR NumberNRH No reply heardNS NimbostratusNSC Nil significant cloudNSW Nil significant weather

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AIP MALDIVES

GEN 2.2 - 818 NOV 10*

NW North-westNWB North-west boundNXT Next

OOAC Oceanic area control centreOAS Obstacle assessment surfaceOBS Observe or observed or observationOBSC Obscure or obscured or obscuringOBST ObstacleOCA Obstacle clearance altitudeOCA Oceanic control areaOCC Occulting (light)OCC* The line engagedOCH Obstacle clearance heightOCNL Occasional or occasionallyOCS Obstacle clearance surfaceOCT OctoberOHD OverheadOM Outer markerOPA Opaque, white type of ice formationOPC The control indicated is operational

controlOPMET Operational meteorological (information)OPN Open or opening or openedOPR Operator or operate or operative or

operating or operationalOPS OperationsO/R On requestORD Indication of an orderOSV Ocean station vesselOTLK Outlook (used in SIGMET messages for

volcanic ash and tropical cyclones)OTP On topOTS Organized track systemOUBD OutboundOVC Overcast

PP... Prohibited area (followed by

identification)PALS Precision approach lighting system

(specify category)PANS Procedures for air navigation servicesPAPI Precision approach path indicatorPAR Precision approach radarPARL ParallelPAX Passenger(s)PBN Performance based navigationPCD Proceed or proceedingPCN Pavement classification number

PE Ice pelletsPER PerformancePERM PermanentPJE Parachute jumping exercisePLA Practice low approachPLN Flight planPLVL Present levelPN Prior notice requiredPNR Point of no returnPO Dust devilsPOB Persons on boardPOSS PossiblePPI Plan position indicatorPPR Prior permission requiredPPSN Present positionPRI PrimaryPRKG ParkingPROB ProbabilityPROC ProcedurePROV ProvisionalPS PlusPSG PassingPSN PositionPSP Pierced steel plankPTN Procedure turnPTS Polar track structurePUN* Prepare a new perforated tape for

messagePWR Power

QQBI Compulsory IFR flightQDM Magnetic heading (zero wind)QDR Magnetic bearingQFE Atmospheric pressure at aerodrome

elevation (or at runway threshold)QFU Magnetic orientation of runwayQNH Altimeter sub-scale setting to obtain

elevation when on the groundQTE True bearingQUAD Quadrant

RR RedR... Restricted area (followed by

identification)R Right (runway identification)R* Received (acknowledgement of receipt)R* RomeoRA RainRAC Rules of the air and traffic services

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AIP MALDIVES

GEN 2.2 - 918 NOV 10*

RAFC Regional area forecast centreRAG RaggedRAG Runway arresting gearRAI Runway alignment indicatorRAR* Request radar blip identification

messageRB Rescue boatRB* Read backRBI* Radar blip identification messageRCA Reach cruising altitudeRCC Rescue coordination centreRCF Radio communication failure (message

type designator)RCH Reach or reachingRCL Runway centre lineRCLL Runway centre line light(s)RCLR ReclearedRDH Reference datum height (for ILS)RDL RadialRDO RadioRE... Recent (used to qualify weather

phenomena such as rain, e.g. RERA = recent rain)

REC Receive or receiverREDL Runway edge light(s)REF Reference to. . . .. . . or refer to. . . . . . .REG RegistrationRENL Runway end light(s)REP Report or reporting or reporting pointREQ Request or requestedRERTE RerouteRG Range (lights)RIF Reclearance in flightRITE Right (direction of turn)RJT* Technical rejection messageRL Report leavingRLA Relay toRLCE Request level change en-routeRLLS Runway lead-in lighting systemRLNA Request level not availableRMK RemarkRNAV (to be pronounced “AR-NAV”)

Area navigationRNG Radio rangeRNP Required navigation performanceROBEX Regional OPMET bulletin exchange

(scheme)ROC Rate of climbROD Rate of descentROFOR Route forecast (in aeronautical

meteorological code)RON Receiving only

RPL Repetitive flight planRPLC Replace or replacedRPS Radar position symbolRPT* Repeat or I repeatRQ* Indication of a requestRQMNTS RequirementsRQP Request flight plan (message type

designator)RQS Request supplementary flight plan

(message type designator)RR Report reachingRRA (or RRB, RRC... etc., in sequence)

Delayed meteorological message (message type designator)

RSC Rescue sub-centreRSCD Runway surface conditionRSP Responder beaconRSR En-route surveillance radarRTD Delayed (used to indicate delayed

meteorological; message type designator)

RTE RouteRTF RadiotelephoneRTG RadiotelegraphRTHL Runway threshold light(s)RTN Return or returned or returningRTODAH Rejected take-off distance available,

helicopterRTS Return to serviceRTT RadioteletypewriterRTZL Runway touchdown zone light(s)RUT Standard regional route transmitting

frequenciesRV Rescue vesselRVR Runway visual rangeRVSM Redused vertical seperation minimaRWY Runway

SS South or southern latitudeSA SandSALS Simple approach lighting systemSAN SanitarySAP As soon as possibleSAR Search and rescueSARPS Standards and Recommended Practices

(ICAO)SAT SaturdaySATCOM Satellite communicationSB SouthboundSC StratocumulusSCT Scattered

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2nd EditionAIRAC AIP AMDT1/10

AIP MALDIVES

GEN 2.2 - 1018 NOV 10

SDBY Stand bySE South-eastSEB South-eastboundSEC SecondsSECT SectorSELCAL Selective calling systemSEP SeptemberSER Service or servicing or servedSEV Severe (used e.g. to qualify icing and

turbulence reports)SFC SurfaceSG Snow grainsSGL SignalSH... Showers (followed by RA = rain, SN =

snow, PE = ice pellets, GR = hail, GS = small hail and/or snow pellets or combination thereof, e.g. SHRASN = showers of rain and snow)

SHF Super high frequency (3 000 to 30 000 MHz)

SID Standard instrument departureSIF Selective identification featureSIG* SignatureSIGMET Information concerning en-route weather

phenomena which may affect the safety of aircraft operations

SIGWX Significant weatherSIMUL Simultaneous or simultaneouslySIWL Single isolated wheel loadSKC Sky clearSKED Schedule or scheduledSLP Speed limiting pointSLW SlowSMC Surface movement controlSMR Surface movement radarSN SnowSNOWTAM

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, by means of a specific format

SPECI Aviation selected special weather report (in aeronautical meteorological code)

SPECIAL Special meteorological report (in abbreviated plain language)

SPL Supplementary flight plan (message type designator)

SPOT Spot windSQ SquallSR SunriseSRA Surveillance radar approach

SRE Surveillance radar element of precision approach radar system

SRG Short rangeSRR Search and rescue regionSRY SecondarySS SandstormSS SunsetSSB Single sidebandSSE South south eastSSR Secondary surveillance radarSST Supersonic transportSSW South south westST StratusSTA Straight in approachSTAR Standard instrument arrivalSTD StandardSTF StratiformSTN StationSTNR StationarySTOL Short take-off and landingSTS StatusSTWL Stopway light(s)SUBJ Subject toSUN SundaySUP Supplement (AIP Supplement)SUPPS Regional supplementary proceduresSVC Service messageSVCBL ServiceableSW South-westSWB South-westboundSWY Stopway

TT TemperatureTA Transition altitudeTACAN UHF tactical air navigation aidTAF Aerodrome forecastTAIL Tail windTAM* Technical acknowledge messageTAR Terminal area surveillance radarTAS True airspeedTAX Taxiing or taxiTC Tropical cycloneTCU Towering cumulusTCX* Transfer of control cancellation messageTDO TornadoTDZ Touchdown zoneTECR Technical reasonTEL TelephoneTEM* Technical error messageTEMPO Temporary or temporarily

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AIP MALDIVES

GEN 2.2 - 1115 JUL 99

TEND Trend forecastTFC TrafficTGL Touch-and-go landingTGS Taxiing guidance systemTHR ThresholdTHUR* I am connecting you to another switch-

boardTHRU ThroughTHU ThursdayTIL UntilTIP Until past. . . . . . . . (place)TKOF Take-offTL... Till (followed by time by which weather

change is forecast to end)TLOF Touchdown and lift-off areaTMA Terminal control areaTNA Turn altitudeTNH Turn heightTO To. . . . . . . . (place)TOC Top of climbTODA Take-off distance availableTOP Cloud topTORA Take-off run availableTP Turning pointTR TrackTRA* Radar transfer of control messageTRA Temporary reserved airspaceTRANS Transmits or transmitterTRL Transition levelTROP TropopauseTS Thunderstorm (in aerodrome reports and

forecasts, TS used alone means thunder heard but no precipitation at the aerodrome)

TS... Thunderstorm (followed by RA = rain, SN = snow, PE = ice pellets, GR = hail, GS = small hail and/or snow pellets or combination thereof, e.g. TSRASN = thunderstorm with rain and snow)

TT TeletypewriterTUE TuesdayTURB TurbulenceTVOR Terminal VORTWR Aerodrome control tower or aerodrome

controlTWY TaxiwayTWYL Taxiway-linkTYP Type of aircraftTYPH Typhoon

U

U Upward (tendency in RVR during previous 10 minutes)

UAB Until advised by...UAC Upper area control centreUAR Upper air routeUDF Ultra high frequency direction-finding

stationUFN Until further noticeUHDT Unable higher due trafficUHF Ultra high frequency (300 to 3 000 MHz)UIC Upper information centreUIR Upper flight information regionULR Ultra long rangeUNA UnableUNAP Unable to approveUNL UnlimitedUNREL UnreliableU/S UnserviceableUTA Upper control areaUTC Co-ordinated Universal Time

VVA Volcanic ashVA* End of work [..._._]VAC Visual approach chartVAL In valleysVAL* Visual approach and landing chartVAN Runway control vanVAR Magnetic variationVAR Visual-aural radio rangeVASIS Visual approach slope indicator systemVC Vicinity of the aerodrome (followed by FG

= fog, FC = funnel cloud, SH = showers, PO = dust/sand whirls, BLDU = blowing dust, BLSA = blowing sand or BLSN = blowing snow, e.g. VC FG = vicinity fog)

VCY VicinityVDF Very high frequency direction-finding

stationVER VerticalVFR Visual flight rulesVHF Very high frequency (30 to 300 MHz)VIA* By way of...VIO* Heavy (used to qualify interference or

static reports)VIP Very important personVIS VisibilityVLF Very low frequency (3 to 30 KHz)VLR Very long rangeVMC Visual meteorological conditionsVOLMET Meteorological information for aircraft in

flight

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AIP MALDIVES

GEN 2.2 - 1215 JUL 99

VOR VHF omnidirectional radio rangeVORTAC VOR and TACAN combinationVOT VOR airborne equipment test facilityVRB VariableVSA By visual reference to the groundVSP Vertical speedVTOL Vertical take-off and landingVVV* Retransmit this message to all

addressees mentioned in the line-following the heading as though it had been filed locally at your centre (group used in a diversion indicator)

VVV...VVV*

Marking or test transmission (sent in a series)

WW West or western longitudeW WhiteWA* Word after ...WAC World Aeronautical Chart - ICAO 1:1 000

000WAFC World area forecast centreWB WestboundWB* Word before ...WBAR Wing bar lightsWD* Words or groupsWDI Wind direction indicatorWDSPR WidespreadWED WednesdayWEF With effect from or effective fromWI WithinWID WidthWIE With immediate effect or effective

immediatelyWILCO Will complyWINTEM Forecast upper wind and temperature for

aviationWIP Work in progressWKN Weaken or weakeningWNW West north westWO WithoutWPT Way-pointWRNG WarningWS Wind shearWSW West south westWT WeightWTSPT WaterspoutWX Weather

XX CrossXBAR Crossbar (of approach lighting system)

XNG CrossingXS Atmospherics

YY YellowYCZ Yellow caution zone (runway lighting)YES* Yes (affirm)YR Your

ZZ Co-ordinated Universal Time (in

meteorological messages)

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