7110.65R Abbreviation/ Acronym Meaning Abbreviation/ Acronym RA RAA . RAIM RAIS RBDT RC RCAG . RCC . RCLS RCO . RID RPIC . TAF . RD REIL . REL . RFM . RLIM RMI . RNAV RNP . ROC . RPAT Resolution Advisory Remote Advisory Airport Receiver Autonomous Integrity Monitoring Remote Airport Information Service Ribbon Display Terminals Radio-Controlled Remote Center Air/Ground Rescue Coordination Center Runway Centerline Lighting System Remote Communications Outlet Remote Identification Remote Pilot-in-Command Aerodrome Forecast Rotor Diameter Runway End Identifier Lights Runway Entrance Lights Rotorcraft Flight Manual Runway Light Intensity Monitor Radio Magnetic Indicator Area Navigation Required Navigation Performance Required Obstacle Clearance RNP Parallel Approach Runway Transitions SOP . SPC . SPS STAR STARS . Standard Operating Procedure Storm Prediction Center Standard Positioning Service Standard Terminal Arrival Standard Terminal Automation Replacement System STMP sUAS Special Traffic Management Program Small UAS TA . TAA . TAC . TACAN TAS . TCAS Traffic Advisory Terminal Arrival Area Terminal Area Chart Tactical Air Navigation True Air Speed Traffic Alert and Collision Avoidance System RVR . RVSM RWSL SAA . SAFO SAM . SAR . SAS . SATR SBAS SDF . SFL SFR . SFRA SGI SIAP . SID SIGMET SM SMGCS Runway Visual Range Reduced Vertical Separation Minimum Runway Status Light Sense and Avoid Safety Alerts For Operators System Area Monitor Search and Rescue Stability Augmentation System Special Air Traffic Rules Satellite-based Augmentation System Simplified Directional Facility Sequenced Flashing Lights Special Flight Rules Special Flight Rules Area Special Government Interest Standard Instrument Approach Procedure Standard Instrument Departure Significant Meteorological Information Statute Mile Surface Movement Guidance Control System TCH . TD TDLS TDWR . TDZ . TDZE TDZL TEC . THL . TIS TIS-B TLS . TPP TRSA TRUST . TSO . TWIB Threshold Crossing Height Time Difference Tower Data Link System Terminal Doppler Weather Radar Touchdown Zone Touchdown Zone Elevation Touchdown Zone Lights Tower En Route Control Takeoff Hold Lights Traffic Information Service Traffic Information Service-Broadcast Transponder Landing System Terminal Procedures Publications Terminal Radar Service Area The Recreational UAS Safety Test Technical Standard Order Terminal Weather Information for Pilots System U.S. . United States UA Unmanned Aircraft SNR . SOIA Signal-to-noise Ratio Simultaneous Offset Instrument Approaches UAM UAS . UASFM UAV . UFO . UHF . USCG UTC . UTM . UWS . UWS . Urban Air Mobility Unmanned Aircraft System UAS Facility Map Unmanned Aerial Vehicle Unidentified Flying Object Ultrahigh Frequency United States Coast Guard Coordinated Universal Time UAS Traffic Management Urgent Weather SIGMET Urgent Weather SIGMET VAR . Volcanic Activity Reporting Appendix 3-4 Meaning Abbreviations/Acronyms