Aeronautical Terms beginning with R
RAIM
Receiver Autonomous Integrity Monitoring.
RB
Relative Bearing.
RBI
Relative Bearing Indicator.
RCO
Remote Communications Outlet.
REIL
Runway End Identifier Lights.
RF
Radio Frequency.
RMI
Radio Magnetic Indicator.
RNAV
Area Navigation.
RNP
Required Navigation Performance.
RVR
Runway Visual Range.
RVV
Runway Visibility Value.
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