Acronyms

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R

Acronym	Meaning	Source
R	Red	AIS
R	Right (runway system identification)	AIS
R....	Restricted Area (followed by number)	AIS
R/T	Radio Telephone
R&D	Research and Development
RA	Rain	AIS
RAAA	Regional Aviation Association Of Australia
RA-Aus	Recreational Aviation Australia (previously the AUF)
RAAO	Recreational Aviation Administrative Organisation
RAC	Rules of the Air and Air Traffic Services	AIS
RAD	Radius	AIS
RAeS	Royal Aeronautical Society
RAFC	Regional Area Forecast Centre	AIS
RAG	Ragged	AIS
RAG	Runway Arresting Gear	AIS
RAI	Runway Alignment Indicator	AIS
RAIM	Receiver Autonomous Integrity Monitoring	AIS
RAM	Repair and Maintenance
RAP	Regulatory Advisory Panel
RAPAC	Regional Airspace Users Advisory Committee
RAPIC	Radar Picture (MET)	AIS
RAS	Radar Advisory Service	AIS
RASC	Regional AIS System Centre	AIS
RAT	RAM Air Turbine
RCA	Reach Cruising Altitude,	AIS
RCA	Request For Corrective Action	AIS
RCC	Rescue Coordination Centre	AIS
RCH	Reach, Reaching	AIS
RCL	Runway Centre Line	AIS
RCLL	Runway Centre Line Lights	AIS
RCLM	Runway Centre Line Marking	AIS
RDCP	CASA's Regulatory Development Coordination Panel	CASA
RDL	Radial	AIS
RDMB	CASA's Regulatory Development Management Branch	CASA
RDO	Radio	AIS
RE...	Recent (used to qualify weather phenomena, eg RERA = recent rain)	AIS
REC	Receive, Receiver, Received	AIS
REDL	Runway Edge Lights	AIS
REF	Reference to... Refer to...	AIS
REG	Registration	AIS
RENL	Runway End Lights	AIS
REP	Report, Reported, Reporting, Reporting Point	AIS
REQ	Request, Requested	AIS
RERTE	Re-route	AIS
RES	Reserve Fuel	AIS
RESA	Runway end safety area	ICAO/AIP
RESTR	Restrictions	AIS
REV	Review	AIS
RFACA	Royal Federation of Aero Clubs of Australia
RFC	Request for change
RFC	Regional Forecasting Centre (Met)	AIS
RFFS	Rescue and Fire Fighting Services	AIS
RFP	Regulatory Framework Program (superceded by RRP)	CASA
RH	Radio Height	AIS
RHC	Right-hand Circuit	AIS
RIF	Reclearance in Flight	AIS
RIFTO	Restricted Instrument Flight Take-off
RIS	Regulation Impact Statement	ORR
RIS	Radar information service	AIP/ICAO
RL	Report Leaving	AIS
RLA	Relay to	AIS
RLLS	Runway Lead-in Lighting	AIS
RMIT	Royal Melbourne Institute of Technology
RMK	Remark(s)	AIS
RMK	Root Mean Square
RNAV	Area Navigation	AIP
RNP	Required navigation performance
RO	Registered operator	CASR Part 43
ROBEX	Regional OPMET Bulletin Exchanges	AIS
ROC	Rate of Climb	AIS
ROD	Rate of Descent	AIS
ROFOR	Route Forecast (in aeronautical meteorological code)	AIS
RPA	Rules and practices for aerodromes	CAR 1988
RPI	Radar Position Indicator	AIS
RPI	Regulatory Performance Indicator	CAR 1988
RPI	Runway Point of Intercept	AIS
RPL	Recognition of prior learning	CASR Part 66
RPM	Revolutions Per Minute
RPT	Regular public transport	CAR 1988
RQ	Require(d)	AIS
RQMNTS	Requirements	AIS
RR	Report Reaching	AIS
RRM	Routine Reportable Matters
RRP	Regulatory Reform Programme (now closed)	CASA
RRPI	Regulatory Reform Programme Implementation (now closed)	CASA
RSC	Rescue Sub-Centre	AIS
RSCD	Runway Surface Condition	AIS
RSP	Responder Beacon	AIS
RSR	En route Surveillance Radar	AIS
RSVP	Regulatory Structure and Validation Project (superceded by RFP)	CASA
RTB	Return to Base
RTCA	Radio Technical Commission for Aeronautics
RTE	Route	AIS
RTF	Radio Telephone	AIS
RTHL	Runway Threshold Light(s)	AIS
RTIL	Runway Threshold Identification Lights	AIS
RTN	Return, Returned, Returning	AIS
RTO	Rejected take-off	AIP
RTO	Registered training organisation	CASR Part 147
RTS	Return to Service	AIS
RTZL	Runway Touchdown Zone Light(s)	AIS
RVR	Runway visual range	AIP/ICAO
RVSM	Reduced Vertical Separation Minimum	ICAO/CAR 1988
RWS	Runway Strip	AIS
RWY	Runway	AIS