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6 – i ndex
RH
RadioHeight
RHC
Right HandCircuit
RIF
Reclearance in flight
+RIS
Rader/ADS-B Information
Service
RL
Report Leaving
RLA
Relay to
RLLS
Runway Lead-in Lighting
RMK
Remark(s)
+RNAV
AreaNavigation
RNP
RequiredNavigation
Performance
+ROBEX
Regional OPMETBulletin
ExchangesRecommended
Practices (ICAO)
ROC
Rate of Climb
ROD
Rate of Descent
+ROFOR
RouteForecast (in aeronautical
meteorological code)
RPI
RunwayPoint of Intercept
#RPI
Radar Position Indicator
RPT
Regular PublicTransport
RPT
Repeat, I Repeat
RQ
Require(d)
RQMNTS
Requirements
RR
Report Reaching
RSC
RescueSub-Centre
RSCD
RunwaySurfaceCondition
RSP
Responder BeaconSystem
RSR
EnRouteSurveillanceRadar
RTE
Route
RTF
RadioTelephone
RTIL
RunwayThreshold
IdentificationLights
RTHL
RunwayThreshold Light(s)
RTN
Return, Returned, Returning
RTS
Return toService
RTZL
RunwayTouchdownZone
Lights
#RVR
RunwayVisual Range
RVSM ReducedVertical Seperation
Minimum
RWS
RunwayStrip
RWY
Runway
S
S
South, South Latitude
SA
Sand
SALS
SimpleApproach Lighting
System
+SAR
Search andRescue
SARPS
Standards andRecommended
Practices (ICAO)
abbreviations and acronyms
CODE DEFINITION
CODE DEFINITION