ICAO: R . received (acknowledgement of receipt)/red/restricted area (followed by identification)/right (runway identification)
RADAR radio detection and ranging
RAPCON radar approach control (USAF)
RCAG remote communications air/ground
RCLS runway centerline lights system
ICAO: RCL . runway centerline
RCO remote communications outlet
RCV receive
RCVG receiving
REIL runway end identifier lights
REQ request
RNAV area navigation
RRP runway reference point
REL runway entrance lights
RSTRD restricted
RTS returned to service
RVR runway visual range
RVRM runway visual range midpoint
RVRR runway visual range rollout
RVRT runway visual range touchdown
RVV runway visibility values
RWSL runway status light
RWY runway
ICAO: RWY.runway
S
S runway weight bearing capacity for aircraft with single.wheel type landing gear
S south
ICAO: S . south/south latitude
SDF simplified directional facility
SEC second
SFC surface
SFL sequenced flashing lights
SI straight.in approach
ICAO: STA . straight.in approach
SM statute mile(s)
SR sunrise
SS sunset
ICAO: SS . sandstorm
SSALF simplified short approach lighting system with sequenced flashers
SSALR simplified short approach lighting system with runway alignment indicator lights
SSALS simplified short approach lighting system
STOL short take.off and landing runway
ICAO: STOL . short takeoff and landing
SVC service
ICAO: SVC . service message
T
T true (after a bearing)
ICAO: T . temperature
TAC terminal area chart
TACAN UHF navigational facility . omnidirectioal course and distance information
ICAO: TACAN . VHF tactical navigational aid
TAS true air speed
ICAO: TMA . TERMINAL CONTROL AREA
TCH threshold crossing height
TFC traffic
THL takeoff hold lights
THR threshold
THRU through
ICAO: THRU . through/I am connecting you to another switchboard
TKOF take.off
TEMPRLY temporarily
TMPRY temporary/temporarily
ICAO: TEMPO . Temporary/temporarily
TPA traffic pattern altitude
TRACON terminal radar approach control
TRML terminal
TRSA terminal radar service area
TSNT transient
TWEB transcribed weather broadcast
TWR tower
TWY taxiway
U
UAS Unmanned Aircraft System
UAVBL unavailable
UHF ultra high frequency
UNLGTD unlighted
UNMON unmonitored
UNSKED unscheduled
UNUSBL unusable
ICAO: U/S . unserviceable
V
VASI visual approach slope indicator
VCNTY vicinity
VDP visual descent point
VFR visual flight rules
VHF very high frequency
VOR VHF omni.directional radio range
VORTAC Combined VOR and TACAN system (collocated)
VOT a VOR Receiver testing facility
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本文鏈接地址：美國航行情報匯編 AERONAUTICAL INFORMATION PUBLICATION AIP 1(89)
