Section 10. En Route Data Communications

6-10-1. CONTROLLER PILOT DATA LINK COMMUNICATIONS (CPDLC)

All ARTCC ATMs must ensure that the following requirements are incorporated into facility documents, as appropriate, prior to the operational use of CPDLC.

  1. CPDLC shutdowns must be coordinated with all affected personnel and users unless operational conditions require an emergency shutdown of the service.
    1. The Operations Manager‐in‐Charge (OMIC) must coordinate with each area to ensure controllers stop using CPDLC.
    2. Controllers must use voice to broadcast a message alerting pilots to the shutdown.
    3. Controllers must take action to ensure that any open or abnormally closed uplinks at the time of the shutdown will be resolved, by voice, with each aircraft.
  2. A record of the operational status of CPDLC and its components must be maintained to include system on/off status, initial contact (IC) on/off status, service provider outages, service volume antenna outages, and other pertinent information.
  3. Ensure Operations Supervisor (OS) and Controllers‐in‐Charge (CIC) brief the operational status of CPDLC and its components when relieved of position.
  4. Establish procedures to update the frequency management tables to accurately reflect current frequency assignments.
  5. Establish procedures to coordinate any changes to frequency management tables that will impact adjacent facilities.
  6. Technical Operations (TO) personnel must be notified when an outage or problem occurs with any element of the Terminal Data Link System (TDLS).