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Performance Airspace: CPDLC

Performance Airspace: CPDLC
performance airspace

Topic Description

Controller Pilot Data Link Communications (CPDLC) is the exchange of routine and emergency information via ACARS, VHF, HF or SATCOM between aircraft and ATC. CPDLC is part of the communications portion that makes up the Communication Navigation Surveillance/Air Traffic Management System (CNS/ATM.)  

3 lessons

  • Part 1
  • Part 2
  • Part 3


  • Performance Airspace: RNAV and RNP
  • Performance Airspace: ADS-C (if installed)
  • Performance Airspace: RNP 4 (if installed)
  • Performance Airspace: NAT HLA and CMNPS (if approved)

Topic Outline

  • PBCS including RCP and RSP explanation, flight planning, operations, and failures
  • FANS and ATN
  • CPDLC approval, phase-in, flight planning, pilot responsibilities, and operating practices
  • Human factors associated with CPDLC
  • ATS Facilities Notification (AFN) logon
  • Controlling authority transfer and uplink aspects of CPDLC
  • CPDLC messages that arm the FMS
  • Loadable and downlink messages
  • The ATC log
  • Unsupported downlink message situations
  • Emergency communications
  • System failure
aviation professional

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