| R: Route Tuned NAVAID
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| R: En-Route
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| r: Rate of change (climb or descent)
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| R: Red
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| R: Right (runway indentification)
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| R: Romania
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| R Team: Collection of air navigation charges under bilateral agreements with non- Contracting States
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| R&D: Research and Development
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| R+B: Range and Bearing line
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| R-ATSU: Air Traffic Service Receiving Unit
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| R-Channel: Random Access Channel
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| R-VKL: Radar (executive-) controller
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| R/C: Rate of Climb
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| R/T: Radio Telephonic Transmission
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| R/T or RTF: Radio Telephony
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| R1: Minor Repairs
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| R2: Signalling system used for telephone exchanges
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| R2: Eurocontrol Signalling Protocol
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| R2: Major Repairs
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| R2: European signalling standard (Voice communication)
|
| R?seau europ?en de t?l?communications a?ronautiques
: |
| RA: Radio Access
|
| RA: Radio Altitude
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| RA: Rain (meteo)
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| RA: Risk Analysis (TCAS)
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| RA: Routine Area
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| RA: Resolution Advisory (ACAS/TCAS)
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| RAA: Regional Airline Association
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| RAARR: Radar Arrival
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| RAAS: Regional Area Augmentation System
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| RAC: RUHR Assistant Controller
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| RAC: Rules of the Air and Air Traffic Services (ICAO)
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| RAC: Resolution Advisory Complement
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| RACE: Runway Capacity Enhancement
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| RAD: Route Availability Document
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| RAD: Radio
|
| RAD: Radial
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| RAD: Radar
|
| RADAC: Radar Verification Equipment in Norway
|
| RADAR: Radio Detecting and Ranging
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| RADEP: Radar Departure
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| RADIN: Radar Data Interchange Network
|
| RADIN: Radar Data Interface
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| RADNET: Radar Network (for interchange of radar data)
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| RADVIEW: Radar Verification Equipment in Norway
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| RAE: Royal Aerocraft Establishment (Farnborough)
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| RAF: Reference ATN Facility (US/Eurocontrol common project for development of the CAERAF)
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| RAF: Royal Air Force
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| RAFC: Regional Area Forecast Centre
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| RAG: Range-Azimuth Gate Generator
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| RAG: Runway Arresting Gear
|
| RAG: Ragged
|
| RAI: Italian Aeronautical Certification Authority
|
| RAI: Runway Alignment Indicator
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| RAIL: Runway Alignment Indicator Lights
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| RAIM: Receiver Autonomous Integrity Monitoring (GPS)
|
| RAM: Reliability, Availability and Maintainability
|
| RAM: Random Access Memory
|
| RAM: Responsability Assignments Matrix
|
| RAMBO: Reliable, Available, Maintainable, Benefits, Objectives
|
| RAMOS: Remote Automatic Meteorological Observing System
|
| RAMS: Reorganised ATC Mathematical Simulator
|
| RAN: Regional Air Navigation (meeting)
|
| RANSU: Regional Air Navigation Service Unit (DFS)
|
| RAP: Resource Allocation Process
|
| RAP: Recognised Air Picture
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| RAPCON: Radar Approach Control Facility
|
| RAPID: Recognised Picture Identification Distribution
|
| RAPNET: (European) Regional Aeronautical Packet Switched Network (CBN + DAKOS)
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| RAPPI: Radar Access Plan Position
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| RAPS: Recovery Access Presentation System
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| RAR: Restricted Area Requested
|
| RARAD: Radar Advisory
|
| RAS: Resource Allocation System
|
| RASA: Radar Advisory Service Area
|
| RASA: Requirements Analysis Strategy and Architecture Sub-group
|
| RASC: Regional AIS System Centre
|
| RASCAL: Radar Station Coverage Calculator
|
| RASCAL: Rotorcraft Air Crew Systems Concepts Airborne Laboratory
|
| RASCAL: Radar Sharing Calculation
|
| RASIF: Radar Simulator Flugsicherung
|
| RASP: Radar Surface Picture
|
| RASP: Radar Application Specialists Panel (MTPA / SSR)
|
| RASS: Radar Analysis Support System
|
| RASS-C: Radar Analysis Support System - Centre Level
|
| RASS-P: Radar Analysis Support System - Plot data
|
| RASS-PDP: RASS - Polar Diagram Measurement Facility
|
| RASS-S: Radar Analysis Support System - Sensor Level
|
| RASS-T: Radar Analysis Support System - Track data
|
| RASTA: Radar Statistics Program
|
| RASV: Responsibility Air Space Volume
|
| RATE: Remote Air Traffic Services Terminal
|
| RATS: Radar Analysis and Test System
|
| RATT: Radio Teletype
|
| RB: Resque Boat
|
| RBP: Radar Bypass Processor (MAS UAC)
|
| RBS: Radio (Telephony) Backup System
|
| RC: Radar Controller
|
| RCA: Reduced Co-ordination Airspace
|
| RCA: Reach Cruising Altitude
|
| RCAG: Remote Communication Air/Ground Facility
|
| RCC: Rescue Co-ordination Centre
|
| RCD: DCL Request Message
|
| RCDS: Radio Channel Distribution and Switching
|
| RCDSS: Radar Control and Display Subsystem
|
| RCF: Radio Communications Failure
|
| RCFEP: Radar Data Communications Front-End Processor
|
| RCGSP: Review of the General Concept for Separating Panel (ICAO)
|
| RCH: Reach or Reaching
|
| RCL: Executive (i.e. Radar) Controller
|
| RCL: Runway Centre Line
|
| RCLL: Runway Centre Line Lights
|
| RCLR: Recleared
|
| RCM: Radar Co-ordinator (Controller) Message (Mil. ECM)
|
| RCM: Statement of Basic Operation Requirement, Planning Criteria & Methods of Application (ICAO/AIS)
|
| RCO: Reduce Cumulative Overloads
|
| RCO: Remote Communications Outlet
|
| RCO: Route Charges Office (National Route Charges Office)
|
| RCP: Radio Control Panel
|
| RCP: Required Communication Performance
|
| RCR: Runway Condition Reading
|
| RCRT: Refresh Cycle Response Time
|
| RCS: Radar Cross Section
|
| RCS: Remote Control System
|
| RD: Routing Domain
|
| RD: Risk Display (ODID)
|
| RD-Channel: Random Data Channel
|
| RDC: Routing Domain Confederation
|
| RDDII: Radio Digital Distance Magnetic Indicator
|
| RDF: Radio Direction Finding
|
| RDG: Radar Data Generator
|
| RDH: Reference Datum Height (for ILS)
|
| RDI: Routine Domain Identifier
|
| RDI: Radio Direction Indicator
|
| RDIF: Radar Data Interchange Format
|
| RDL: Radial
|
| RDM: Running Display Message
|
| RDO: Radio
|
| RDP: Radar Data Processor
|
| RDPP: Radar Data Post Processor
|
| RDPS: Radar Data Processing System
|
| RDQC: Radar Data Quality Control
|
| RDR: Radar Data Recording
|
| RDSS: Radar Determination Satellite System
|
| RDTE: Research, Development, Trials and Evaluation
|
| RE: Recent (used to qualify weather phenomena e.g. RERA = recent rain)
|
| REACT: Rain Echo Attenuation Compensation Technique
|
| Real: Real time
|
| Real-time FDMD: Real-time Flight Data Processing Management and Distribution
|
| REC: Request EOBT Change
|
| REC: Recall (ICAO) / Recording
|
| REC: Receive or Receiver
|
| RecDPS: Recording Data Processing System (PALLAS System)
|
| REDAN: Spanish Data Network
|
| REDL: Runway Edge Light(s)
|
| REF: Reference
|
| REFGHMI: Reference generic HMI
|
| REG: Regulatory (issues)
|
| REG: Registration
|
| REIL: Runway End Indentifier Lights
|
| REJ: Rejection Message
|
| REL: Release
|
| RELCTD: Relocated
|
| REM: Radio Emergency Module
|
| REM: Roentgen Equivalent Man
|
| REMOCO: Remote Control (Supervision System)
|
| REMP: Radar Replacement and Modernisation Programme
|
| RENL: Runway End Light(s)
|
| REP: Report or Reporting
|
| REP: Reporting Point
|
| REQ: Request or Requested
|
| RER: Rerouting
|
| RER: Residual Error Rate
|
| RERTE: Reroute
|
| RES: Radar Environment Simulator
|
| RESA: Runway End Safety Area (ICAO)
|
| RESP: Response (ICAO)
|
| RESTQ: Recovery Stress Questionnaire
|
| RESTR: Restriction
|
| RESYNCING: Resynchronizing
|
| RET: Airborne & ground retrofit (issues)
|
| RET: Revised EOBT
|
| RETD: Revised Estimated Time of Departure
|
| REV: REVision / REVise (message)
|
| RF: Radio Frequency
|
| RF: Radius to a Fix (ARINC 424 Path Terminator)
|
| RFCA: Panel on Route Facility, Cost Accounting and Cost Allocation (ICAO)
|
| RFCP: Route Facility Costs Panel (ICAO)
|
| RFEP: Radar Front End Processor
|
| RFF: Radar Fall-back Facility
|
| RFG: Radio Frequency Generator
|
| RFI: Request For Information
|
| RFI: Radio Frequency Interferences
|
| RFL: Requested Flight Level
|
| RFLT: Radio Frequency Unit
|
| RFM: Remote Field Monitor
|
| RFP: Replacement Flight Plan
|
| RFP: Request for Proposal
|
| RFPD: Repetitive Flight Plan Data
|
| RFPS: Radar data Front Processing System (PALLAS system)
|
