Luchtvaart afkortingen
Van AviationWiki
Inhoud |
A
| Afkorting | Betekenis |
|---|---|
| A | Amber |
| A/A | Air-to-air |
| AAL | Above aerodrome level |
| ABM | Abeam |
| ABT | About |
| ABV | Above |
| AC | Altocumulus |
| ACAS | Airborne collision avoidance system |
| ACC | Area control centre or area control |
| ACFT | Aircraft |
| ACK | Acknowledge |
| ACL | Altimeter check location |
| ACN | Aircraft classification number |
| ACPT | Accept or accepted |
| ACT | Active or activated or activity |
| AD | Aerodrome |
| ADA | Advisory area |
| ADC | Aerodrome chart |
| ADDN | Addition or additional |
| ADF | Automatic direction-finding equipment |
| ADJ | Adjacent |
| ADR | Advisory route |
| ADS | Automatic dependent surveillance |
| ADVS | Advisory service |
| ADZ | Advise |
| AFIL | Flight plan filed in the air |
| AFIS | Aerodrome flight information service |
| AFM | Yes or affirm or affirmative or that is correct |
| AFT | After... (time or place) |
| AFTN | Aeronautical fixed telecommunication network |
| A/G | Air-to-ground |
| AGA | Aerodromes, air routes and ground aids |
| AGL | Above ground level |
| AGN | Again |
| AIC | Aeronautical information circular |
| AIP | Aeronautical information publication |
| AIRAC | Aeronautical information regulation and control |
| AIREP | Air-report |
| AIRMET | Information concerning en-route weather phenomena which may affect the safety of low-level aircraft operations |
| AIS | Aeronautical information services |
| ALERFA | Alert phase |
| ALRS | Alerting service |
| ALS | Approach lighting system |
| ALT | Altitude |
| ALTN | Alternate (aerodrome) |
| AMA | Area minimum altitude |
| AMSL | Above mean sea level |
| ANC | Aeronautical chart 1:500 000 (followed by name/title) |
| ANCS | Aeronautical navigation chart small scale (followed by name/title and scale) |
| ANS | Answer |
| AOC | Aerodrome obstacle chart (followed by type and name/title) |
| AP | Airport |
| APAPI | Abbreviated precision approach path indicator |
| APCH | Approach |
| APDC | Aircraft parking/docking chart (followed by name/title) |
| APN | Apron |
| APP | Approach control office or approach control or approach control service |
| APR | April |
| APRX | Approximate or approximately |
| APSG | After passing |
| APV | Approve or approved or approval |
| ARC | Area chart |
| ARNG | Arrange |
| ARO | Air traffic services reporting office |
| ARP | Aerodrome reference point |
| ARR | Arrive or arrival |
| ARST | Arresting (specify (part of) aircraft arresting equipment) |
| AS | Altostratus |
| ASC | Ascend to or ascending to |
| ASDA | Accelerate-stop distance available |
| ASPEEDG | Airspeed gain |
| ASPEEDL | Airspeed loss |
| ASPH | Asphalt |
| AT | At (followed by time at which weather change is forecast to occur) |
| ATA | Actual time of arrival |
| ATC | Air traffic control (in general) |
| ATD | Actual time of departure |
| ATFM | Air traffic flow management |
| ATIS | Automatic terminal information service |
| ATM | Air traffic management |
| ATP | At... (time or place) |
| ATS | Air traffic services |
| ATTN | Attention |
| AT-VASIS | Abbreviated T visual approach slope indicator system |
| ATZ | Aerodrome traffic zone |
| AUG | August |
| AUTH | Authorized or authorization |
| AUW | All up weight |
| AUX | Auxiliary |
| AVBL | Available or availability |
| AVG | Average |
| AVGAS | Aviation gasoline |
| AWTA | Advise at what time able |
| AWY | Airway |
| AZM | Azimuth |
B
| Afkorting | Betekenis |
|---|---|
| B | Blue |
| BA | Braking action |
| BASE | Cloud base |
| BCFG | Fog patches |
| BCN | Beacon (aeronautical ground light) |
| BCST | Broadcast |
| BDRY | Boundary |
| BECMG | Becoming |
| BFR | Before |
| BKN | Broken |
| BL | Blowing (followed by DU = dust, SA = sand or SN = snow) |
| BLDG | Building |
| BLO | Below clouds |
| BLW | Below |
| BR | Mist |
| BRF | Short (used to indicate the type of approach desired or required) |
| BRG | Bearing |
| BRKG | Breaking |
| BTL | Between layers |
| BTN | Between |
C
| Afkorting | Betekenis |
|---|---|
| C | Centre (preceded by runway designation number to identify a parallel runway) |
| C | Degrees Celsius (Centigrade) |
| CAT | Category |
| CAT | Clear air turbulence |
| CAVOK | Visibility, cloud and present weather better than prescribed values or conditions |
| CB | Cumulonimbus |
| CC | Cirrocumulus |
| CCA | (or CCB, CCC. .. etc., in sequence) Corrected meteorological message |
| CD | Candela |
| CDN | Coordination (message type designator) |
| CF | Change frequency to . . . |
| CFM | Confirm or I confirm |
| CGL | Circling guidance light(s) |
| CH | Channel |
| CHG | Modification (message type designator) |
| CI | Cirrus |
| CIT | Near or over large towns |
| CIV | Civil |
| CK | Check |
| CL | Centre line |
| CLA | Clear type of ice formation |
| CLBR | Calibration |
| CLD | Cloud |
| CLG | Calling |
| CLIMB-OUT | Climb-out area |
| CLR | Clear(s) or cleared to or clearance |
| CLRD | Runway(s) cleared (used in METAR/SPECI) |
| CLSD | Close or closed or closing |
| CM | Centimetre |
| CMB | Climb to or climbing to |
| CMPL | Completion or completed or complete |
| CNL | Cancel or cancelled |
| CNL | Flight plan cancellation |
| CNS | Communications, navigation and surveillance |
| COM | Communications |
| CONC | Concrete |
| COND | Condition |
| CONS | Continuous |
| CONST | Construction or constructed |
| CONT | Continue(s) or continued |
| COOR | Coordinate or coordination |
| COORD | Coordinates |
| COP | Change-over point |
| COR | Correct or correction or corrected |
| COT | At the coast |
| COV | Cover or covered or covering |
| CPDLC | Controller-pilot data link communications |
| CPL | Current flight plan |
| CRC | Cyclic redundancy check |
| CRZ | Cruise |
| CS | Call sign |
| CS | Cirrostratus |
| CTA | Control area |
| CTAM | Climb to and maintain |
| CTC | Contact |
| CTL | Control |
| CTN | Caution |
| CTR | Control zone |
| CU | Cumulus |
| CUF | Cumuliform |
| CVR | Cockpit voice recorder |
| CW | Continuous wave |
| CWY | Clearway |
D
| Afkorting | Betekenis |
|---|---|
| D | Downward (tendency in RVR during previous 10 minutes) |
| D | Danger area (followed by identification) |
| DA | Decision altitude |
| D-ATIS | Data link automatic terminal information service |
| DCKG | Docking |
| DCP | Datum crossing point |
| DCPC | Direct controller-pilot communications |
| DCT | Direct (in relation to flight plan clearances and type of approach) |
| DEC | December |
| DEC | Degrees |
| DEP | Depart or departure |
| DEP | Departure |
| DES | Descend to or descending to |
| DEST | Destination |
| DETRESFA | Distress phase |
| DEV | Deviation or deviating |
| DFDR | Digital flight data recorder |
| DFTI | Distance from touchdown indicator |
| DH | Decision height |
| DIP | Diffuse |
| DIST | Distance |
| DIV | Divert or diverting |
| DLA | Delay or delayed |
| DLY | Daily |
| DME | Distance measuring equipment |
| DNG | Danger or dangerous |
| DOM | Domestic |
| DP | Dew point temperature |
| DPT | Depth |
| DR | Dead reckoning |
| DR | Low drifting (followed by DU = dust, SA =sand or SN = snow) |
| DRG | During |
| DS | Duststorm |
| DTAM | Descend to and maintain |
| DTG | Date-time group |
| DTHR | Displaced runway threshold |
| DTRT | Deteriorate or deteriorating |
| DTW | Dual tandem wheels |
| DU | Dust |
| DUC | Dense upper cloud |
| DUPE | This is a duplicate message |
| DUR | Duration |
| D-VOLMET | Data link VOLMET |
| DVOR | Doppler VOR |
| DW | Dual wheels |
| DZ | Drizzle |
E
E East or eastern longitude
EAT Expected approach time
EB Eastbound
EDA Elevation differential area
EEE# Error
EET Estimated elapsed time
EFC Expect further clearance
EGNOS European geostationary navigation overlay service
EHF Extremely high frequency [30 000 to 300 000 MHz]
ELBA Emergency location beacon aircraft
ELEV Elevation
ELR Extra long range
ELT Emergency locator transmitter
EM Emission
EMBD Embedded in a layer (to indicate cumulonimbus embedded in layers of other clouds)
EMERG Emergency
END Stop-end (related to RVR)
ENE East-north-east
ENG Engine
ENR En route
ENRC En-route chart (followed by name/title)
EOBT Estimated off-block time
EQPT Equipment
ER* Here . . . or herewith
ESE East-south-east
EST Estimate or estimated or estimation
ETA Estimated time of arrival or estimating arrival
ETD Estimated time of departure or estimating departure
ETO Estimated time over significant point
EV Every
EXC Except
EXER Exercises or exercising or to exercise
EXP Expect or expected or expecting
EXTD Extend or extending
F
F Fixed
FAC Facilities
FAF Final approach fix
FAL Facilitation of international airtransport
FAP Final approach point
FATO Final approach and take-off area
FAX Facsimile transmission
FBL Light (used to indicate the intensity of-weather phenomena, interference or static reports, e.g. FBL RA = light rain)
FC Funnel cloud (tornado or water spout)
FCST Forecast
FCT Friction coefficient
FDPS Flight data processing system
FEB February
FEW Few
FG Fog
FIC Flight information centre
FIR Flight information region
FIS Flight information service
FISA Automated flight information service
FL Flight level
FLD Field
FLG Flashing
FLR Flares
FLT Flight
FLTCK Flight check
FLUC Fluctuating or fluctuation or fluctuated
FLW Follow(s) or following
FLY Fly or flying
FM From
FM From (followed by time weather change is forecast to begin)
FMS Flight management system
FMU Flow management unit
FNA Final approach
FPAP Flight path alignment point
FPL Filed flight plan
FPM Feet per minute
FPR Flight plan route
FR Fuel remaining
FREQ Frequency
FRI Friday
FRNG Firing
FRONT Front (relating to weather)
FRQ Frequent
FSL Full stop landing
FSS Flight service station
FST First
FT Feet (dimensional unit)
FTP Fictitious threshold point
FU Smoke
FZ Freezing
FZDZ Freezing drizzle
FZFG Freezing fog
FZRA Freezing rain
G
G Green
G Variations from the mean wind speed (gusts) (followed by figures in METAR/SPECI and TAP)
GA Go ahead, resume sending
G/A Ground-to-air
G/A/G Ground-to-air and air-to-ground
GAGAN GPS and geostationary earth orbit augmented navigation
GAMET Area forecast for low-level flights
GARP GBAS azimuth reference point
GBAS Ground-based augmentation system
GCAJ Ground controlled approach system or ground controlled approach
GEN General
GEO Geographic or true
GES Ground earth station
GLD Glider
GLONASS Global orbiting navigation satellite system
GMC . . . Ground movement chart (followed by name/title)
GND Ground
GNDCK Ground check
GNSS Global navigation satellite system
GP Glide path
GPS Global positioning system
GR Hail
GRAS Ground-based regional augmentation system
GRASS Grass landing area
GRIB Processed meteorological data in the form of grid point values expressed in binary form
GRVL Gravel
GS Ground speed
GS Small hail and/or snow pellets
GUND Geoid undulation
H
H High pressure area or the centre of high pressure
H24 Continuous day and night service
HAPI Helicopter approach path indicator
HBN Hazard beacon
HDF High frequency direction-finding station
HDG Heading
HEL Helicopter
HF High frequency [3 000 to 30 000 kHz]
HOT Height or height above
HJ Sunrise to sunset
HLDG Holding
HN Sunset to sunrise
HO Service available to meet operational requirements
HOL Holiday
HOSP Hospital aircraft
HPA Hectopascal
HR Hours
HS Service available during hours of scheduled operations
HURCN Hurricane
HVDF High and very high frequency direction finding Stations (at the same location)
HVY Heavy
HVY Heavy (used to indicate the intensity of weather phenomena, e.g. HVY RA = heavy rain)
HX No specific working hours
HYR Higher
HZ Haze
HZ Hertz (cycle per second)
I
IAC Instrument approach chart (followed by name/title)
IAF Initial approach fix
IAO In and out of clouds
IAP Instrument approach procedure
IAR Intersection of air routes
IAS Indicated airspeed
IBN Identification beacon
IC Ice crystals (very small ice crystals in suspension, also known as diamond dust)
ICE Icing
ID Identifier or identify
IDENT Identification
IF Intermediate approach fix
IFF Identification friend/foe
IFR Instrument flight rules
IGA International general aviation
ILS Instrument landing system
IM Inner marker
IMC Instrument meteorological conditions
IMPR Improve or improving
IMT Immediate or immediately
INA Initial approach
INBD Inbound
INC In cloud
INCERFA Uncertainty phase
INFO Information
INOP Inoperative
INP If not possible
INPR In progress
INS Inertial navigation system
INSTL Install or installed or installation
INSTR Instrument
INT Intersection
INTL International
INTRG Interrogator
INTRP Interrupt or interruption or interrupted
INTSF Intensify or intensifying
INTST Intensity
IR Ice on runway
ISA International standard atmosphere
ISOL Isolated
J
JAN January
JTST Jet stream
JUL July
JUN June
K
KG Kilograms
KHZ Kilohertz
KM Kilometres
KMH Kilometres per hour
KPA Kilopascal
KT Knots
KW Kilowatts
L
L Left (preceded by runway designation number to identify a parallel runway)
L Locator (see LM, LO)
L Low pressure area or the centre of low pressure
LAN Inland
LAT Latitude
LDA Landing distance available
LDAH Landing distance available, helicopter
LDG Landing
LDI Landing direction indicator
LEN Length
LF Low frequency [30 to 300 kHz]
LGT Light or lighting
LGTD Lighted
LIH Light intensity high
LIL Light intensity low
LIM Light intensity medium
LM Locator, middle
LMT Local mean time
LNG Long (used to indicate the type of approach desired or required)
LO Locator, outer
LOC Localizer
LOG Local or locally or location or located
LONG Longitude
LORAN LORAN (long range air navigation system)
LRG Long range
LTD Limited
LTP Landing threshold point
LV Light and variable (relating to wind)
LVE Leave or leaving
LVL Level
LYR Layer or layered
M
M Mach number (followed by figures)
M Metres (preceded by figures)
M Minimum value of runway visual range (followed by figures in METAR/SPECI)
MAA Maximum authorized altitude
MAG Magnetic
MAINT Maintenance
MAP Aeronautical maps and charts
MAPT Missed approach point
MAR At sea
MAR March
MAX Maximum
MAY May
MBST Microburst
MCA Minimum crossing altitude
MCW Modulated continuous wave
MDA Minimum descent altitude
MDF Medium frequency direction-finding station
MDH Minimum descent height
MEA Minimum en-route altitude
MEHT Minimum eye height over threshold (for visual approach slope indicator systems)
MET Meteorological or meteorology
METAR Aerodrome routine meteorological report (in meteorological code)
MET REPORT Local routine meteorological report (in abbreviated plain language)
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 Megahertz
MID Mid-point (related to R VR)
MIFG Shallow fog
MIL Military
MIN Minutes
MKR Marker radio beacon
MLS Microwave landing system
MM Middle marker
MNM Minimum
MNPS Minimum navigation performance specifications
MNT Monitor or monitoring or monitored
MNTN Maintain
MOA Military operating area
MOC Minimum obstacle clearance (required)
MOD Moderate (used to indicate the intensity of weather phenomena, interference or static reports, e.g. MODRA = moderate rain)
MON Above mountains
MON Monday
MOPS Minimum operational performance standards
MOV Move or moving or movement
MPS Metres per second
MRA Minimum reception altitude
MRG Medium range
MRP ATS/MET reporting point
MS Minus
MSA Minimum sector altitude
MSAS Multifunctional transport satellite (MTSAT) satellite-based augmentation system
MSAW Minimum safe altitude warning
MSG Message
MSL Mean sea level
MSSR Monopulse secondary surveillance radar
MT Mountain
MTU Metric units
MTW Mountain waves
MVDF Medium and very high frequency direction finding stations (at the same location)
MX Mixed type of ice formation (white and clear)
N
N No distinct tendency (in RVR during previous 10 minutes)
N North or northern latitude
NASC National AIS system centre
NAT North Atlantic
NAV Navigation
NB Northbound
NBFR Not before
NC No change
NCD No cloud detected (used in automated METAR/SPECI)
NDB Non-directional radio beacon
NDV No directional variations available (used in automated METAR/SPECI)
NE North-east
NEB North-eastbound
NEG No or negative or permission not granted or that is not correct
NGT Night
NIL None or I have nothing to send to you
NM Nautical miles
NML Normal
NNE North-north-east
NNW North-north-west
NOF International NOTAM office
NOSIG No significant change (used in trend-type landing forecasts)
NOTAM A notice distributed by means of telecommunication 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 November
NOZ Normal operating zone
NR Number
NRH No reply heard
NS Nimbostratus
NSC Nil significant cloud
NSW Nil significant weather
NTL National
NTZ No transgression zone
NW North-west
NWB North-westbound
NXT Next
O
OAC Oceanic area control centre
OAS Obstacle assessment surface
OBS Observe or observed or observation
OBSC Obscure or obscured or obscuring
OBST Obstacle
OCA Obstacle clearance altitude
OCA Oceanic control area
OCC Occulting (light)
OCH Obstacle clearance height
OCNL Occasional or occasionally
OCS Obstacle clearance surface
OCT October
OFZ Obstacle free zone
OGN Originate
OHD Overhead
OLDI On-line Data Interchange
OM Outer marker
OPA Opaque, white type of ice formation
OPC Control indicated is operational control
OPMET Operational meteorological (information)
OPN Open or opening or opened
OPR Operator or operate or operative or operating or operational
OPS Operations
O/R On request
ORD Order
OSV Ocean station vessel
OTLK Outlook (used in SIGMET messages for volcanic ash and tropical cyclones)
OTP On top
OTS Organized track system
OUBD Outbound
OVC Overcast
P
P Maximum value of wind speed or runway visual range (followed by figures in METAR/SPECI and TAP)
P Prohibited area (followed by identification)
PA Precision approach
PALS Precision approach lighting system
PANS Procedures for air navigation services
PAPI Precision approach path indicator
PAR Precision approach radar
PARL Parallel
PATC Precision approach terrain chart (followed by name/title)
PAX Passenger(s)
PCD Proceed or proceeding
PCL Pilot-controlled lighting
PCN Pavement classification number
PDC Pre-departure clearance
PDG Procedure design gradient
PER Performance
PERM Permanent
PIB Pre-flight information bulletin
PJE Parachute jumping exercise
PL Ice pellets
PLA Practice low approach
PLN Flight plan
PLVL Present level
PN Prior notice required
PNR Point of no return
PO Dust/sand whirls (dust devils)
POB Persons on board
POSS Possible
PPI Plan position indicator
PPR Prior permission required
PPSN Present position
PRFG Aerodrome partially covered by fog
PRI Primary
PRKG Parking
PROB Probability
PROC Procedure
PROV Provisional
PS Plus
PSG Passing
PSN Position
PSR Primary surveillance radar
PSYS Pressure system(s)
PTN Procedure turn
PTS Polar track structure
PWR Power
Q
QDL Do you intend to ask me for a series of bearings? or I intend to ask you for a series of bearings (to be used in radiotelegraphy as a Q Code)
QDM Magnetic heading (zero wind)
QDR Magnetic bearing
QFE Atmospheric pressure at aerodrome elevation (or at runway threshold)
QFU Magnetic orientation of runway
QGE What is my distance to your station? or Your distance to my station is (distance figures and units) (to be used in radiotelegraphy as a Q Code)
QNH Altimeter sub-scale setting to obtain elevation when on the ground
QTE True bearing
QTF Will you give me the position of my station according to the bearings taken by the D/F stations which you control? or The position of your station according to the bearings taken by the D/F stations that I control was. . . latitude . . . longitude weight gain (or other indication of position), class . . . a t . . . hours (to be used in radiotelegraphy as a Q Code)
QUAD Quadrant
QUJ Will you indicate the TRUE track to reach you? Or The TRUE track to reach me is ... degrees a t . . hours (to be used in radiotelegraphy as a Q Code)
R
R Right (preceded by runway designation number to identify a parallel runway)
R Red
R Restricted area (followed by identification)
R Runway visual range (followed by figures in METAR/SPECI)
RA Rain
RAC Rules of the air and air traffic services
RAG Ragged
RAG Runway arresting gear
RAI Runway alignment indicator
RAIM Receiver autonomous integrity monitoring
RASC Regional AIS system centre
RASS Remote altimeter setting source
RB Rescue boat
RCA Reach cruising altitude
RCC Rescue coordination centre
RCF Radiocommunication failure (message type designator)
RCH Reach or reaching
RCL Runway centre line
RCLL Runway centre line light(s)
RCLR Recleared
RDH Reference datum height
RDL Radial
RDO Radio
RE Recent (used to qualify weather phenomena, e.g. RERA = recent rain)
REC Receive or receiver
REDL Runway edge light(s)
REF Reference to . . . or refer to ...
REG Registration
RENL Runway end light(s)
REP Report or reporting or reporting point
REQ Request or requested
RERTE Re-route
RESA Runway end safety area
RG Range (lights)
RHC Right-hand circuit
RIF Reclearance in flight
RITE Right (direction of turn)
RL Report leaving
RLA Relay to
RLCE Request level change en route
RLLS Runway lead-in lighting system
RLNA Request level not available
RMAC Radar minimum altitude chart
RMK Remark
RNAV Area navigation
RNG Radio range
RNP Required navigation performance
ROC Rate of climb
ROD Rate of descent
ROFOR Route forecast (in meteorological code)
RON Receiving only
RPI Radar position indicator
RPL Repetitive flight plan
RPLC Replace or replaced
RPS Radar position symbol
RQMNTS Requirements
RQP Request flight plan
RQS Request supplementary flight plan (message type designator)
RR Report reaching
RRA (or RRB, RRC... etc., in sequence) Delayed meteorological message (message type designator)
RSC Rescue sub-centre
RSCD Runway surface condition
RSP Responder beacon
RSR En-route surveillance radar
RTD Delayed (used to indicate delayed meteorological message; message type designator)
RTE Route
RTF Radiotelephone
RTG Radiotelegraph
RTHL Runway threshold light(s)
RTN Return or returned or returning
RTODAH Rejected take-off distance available, helicopter
RTS Return to service
RTT Radioteletypewriter
RTZL Runway touchdown zone light(s)
RUT Standard regional route transmitting frequencies
RV Rescue vessel
RVR Runway visual range
RVSM Reduced vertical separation minimum (300 m (1 000 ft)) between FL 290 and FL 410
RWY Runway
S
S State of the sea (followed by figures in METAR/SPECI)
S South or southern latitude
SA Sand
SALS Simple approach lighting system
SAN Sanitary
ASAP As soon as possible
SAR Search and rescue
SARPS Standards and Recommended Practices [ICAO]
SAT Saturday
SATCOM Satellite communication
SB Southbound
SBAS Satellite-based augmentation system
SC Stratocumulus
SCT Scattered
SDBY Stand by
SE South-east
SEA Sea (used in connection with sea-surface temperature and state of the sea)
SEB South-eastbound
SEC Seconds
SECN Section
SECT Sector
SELCAL Selective calling system
SEP September
SER Service or servicing or served
SEV Severe (used e.g. to qualify icing and turbulence reports)
SFC Surface
SG Snow grains
SGL Signal
SH ... Shower (followed by RA = rain, SN = snow, PL = ice pellets, GR = hail, GS = small hail and/or snow pellets or combinations thereof, e.g. SHRASN = showers of rain and snow)
SHF Super high frequency [3 000 to 30 000 MHz]
SID Standard instrument departure
SIF Selective identification feature
SIG Significant
SIGMET Information concerning en-route weather phenomena which may affect the safety of aircraft operations
SIMUL Simultaneous or simultaneously
SKC Sky clear
SKED Schedule or scheduled
SLP Speed limiting point
SLW Slow
SMC Surface movement control
SMR Surface movement radar
SN Snow
SNOCLO Aerodrome closed due to snow (used in METAR/SPECI)
SNOWTAM 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 Aerodrome special meteorological report (in meteorological code)
SPECIAL Local special meteorological report (in abbreviated plain language)
SPL Supplementary flight plan (message type designator)
SPOC SAR point of contact
SPOT Spot wind
SQ Squall
SQL Squall line
SR Sunrise
SRA Surveillance radar approach
SRE Surveillance radar element of precision approach radar system
SRG Short range
SRR Search and rescue region
SRY Secondary
SS Sandstorm
SS Sunset
SSE South-south-east
SSR Secondary surveillance radar
SST Supersonic transport
SSW South-south-west
ST Stratus
STA Straight-in approach
STAR Standard instrument arrival
STD Standard
STF Stratiform
STN Station
STNR Stationary
STOL Short take-off and landing
STS Status
STWL Stopway light(s)
SUBJ Subject to
SUN Sunday
SUP Supplement (AIP Supplement)
SUPPS Regional supplementary procedures Service message
SVCBL Serviceable
SW South-west
SWB South-westbound
SWY Stopway
T
T Temperature
TA Transition altitude
TAA Terminal arrival altitude
TACAN UHF tactical air navigation aid
TAF Aerodrome forecast (in meteorological code)
TAIL Tail wind
TAR Terminal area surveillance radar
TAS True airspeed
TAX Taxiing or taxi
TC Tropical cyclone
TCAC Tropical cyclone advisory centre
TCAS Traffic Collision Avoidance System
TCU Towering cumulus
TDO Tornado
TDZ Touchdown zone
TECR Technical reason
TEL Telephone
TEMPO Temporary or temporarily
TFC Traffic
TGL Touch-and-go landing
TGS Taxiing guidance system
THR Threshold
THRU Through
THU Thursday
TIBA Traffic information broadcast by aircraft
TIL Until
TIP Until past... (place)
TKOF Take-off
TL . . . Till (followed by time by which weather change is forecast to end)
TLOF Touchdown and lift-off area
TMA Terminal control area
TN . . . Minimum temperature (followed by figures in TAP)
TNA Turn altitude
TNH Turn height
TO ... To ... (place)
TOC Top of climb
TODA Take-off distance available
TODAH Take-off distance available, helicopter
TOP Cloud top
TORA Take-off run available
TP Turning point
TR Track
TRA Temporary reserved airspace
TRANS Transmits or transmitter
TREND Trend forecast
TRL Transition level
TROP Tropopause
TS 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, PL = ice pellets, GR = hail, GS = small hail and/or snow pellets or combinations thereof, e.g. TSRASN = thunderstorm with rain and snow)
TUE Tuesday
TURB Turbulence
T-VASIS T visual approach slope indicator system
TVOR Terminal VOR
TWR Aerodrome control tower or aerodrome control
TWY Taxiway
TWYL Taxiway-link
TX... Maximum temperature (followed by figures in TAP)
TXT Text
TYP Type of aircraft
TYPH Typhoon
U
U Upward (tendency in RVR during previous 10 minutes)
UAB Until advised by . .
UAC Upper area control centre
UAR Upper air route
UDF Ultra high frequency direction-finding station
UFN Until further notice
UHDT Unable higher due traffic
UHF Ultra high frequency [300 to 3 000 MHz]
UIC Upper information centre
UIR Upper flight information region
ULR Ultra long range
UNA Unable
UNAP Unable to approve
UNL Unlimited
UNREL Unreliable
UP Unidentified precipitation (used in automated METAR/SPECI)
U/S Unserviceable
UTA Upper control area
UTC Coordinated Universal Time
V
V Variations from the mean wind direction (preceded and followed by figures in METAR/SPECI, e.g. 350V070)
VA Volcanic ash
VAAC Volcanic ash advisory centre
VAC Visual approach chart (followed by name/title)
VAL In valleys
VAN Runway control van
VAR Magnetic variation
VAR Visual-aural radio range
VASIS Visual approach slope indicator systems
VC... Vicinity of the aerodrome (followed by FG =fog, FC = funnel cloud, SH = shower, PO = dust/sand whirls, BLDU = blowing dust, BLSA = blowing sand, BLSN = blowing snow, DS = duststorm, SS = sandstorm, TS = thunderstorm or VA = volcanic ash, e.g. VCFG = vicinity fog)
VCY Vicinity
VDF Very high frequency direction-finding station
VER Vertical
VFR Visual flight rules
VHF Very high frequency [30 to 300 MHz]
VIP Very important person
VIS Visibility
VLF Very low frequency [3 to 30 kHz]
VLR Very long range
VMC Visual meteorological conditions
VOLMET Meteorological information for aircraft in flight
VOR VHF omnidirectional radio range
VORTAC VOR and TACAN combination
VPA Vertical path angle
VRB Variable
VSA By visual reference to the ground
VSP Vertical speed
VTOL Vertical take-off and landing
VV... Vertical visibility (followed by figures in METAR/SPECI and TAP)
W
W West or western longitude
W White
W Sea-surface temperature (followed by figures in METAR/SPECI)
WAAS Wide area augmentation system
WAC World Aeronautical Chart ICAO 1:1 000 000 (folio-wed by name/title)
WAFC World area forecast centre
WB Westbound
WBAR Wing bar lights
WDI Wind direction indicator
WDSPR Widespread
WED Wednesday lasagna day
WEF With effect from or effective from
WGS-84 World Geodetic System 1984
WI Within
WID Width
WIE With immediate effect or effective immediately
WILCO Will comply
WIND Wind
WINTEM Forecast upper wind and temperature for aviation
WIP Work in progress
WKN Weaken or weakening
WNW West-north-west
WO Without
WPT Way-point
WRNG Warning
WS Wind shear
WSPD Wind speed
WSW West-south-west
WT Weight
WTSPT Waterspout
WWW Worldwide Web
WX Weather
X
X Cross
XBAR Crossbar (of approach lighting system)
XNG Crossing
XS Atmospherics
Y
Y Yellow
YCZ Yellow caution zone (runway lighting)
YR Your
Z
Z(ulu) Coordinated Universal Time (in meteorological messages)
