COM 4.7 DIRECT CONTROLLER – PILOT COMMUNICATIONS

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COM 4.7 DIRECT CONTROLLER – PILOT COMMUNICATIONS

As data link becomes an important means of delivering ATS, there are crucial questions that must be answered before this technology is used for safety-critical communications. This need is especially true where a data link communications system is the primary, or even integral, element in allowing the reduction of separation standard minima.


IFATCA Policy is:

In any ATS system, where data link is considered a safety-critical element of that system, data link based ATS must be accompanied by direct two-way controller-pilot voice communications which is also safety critical. This direct voice functionality shall be rapid, continuous and static free.

Direct voice communications requires that no third human party is involved in the set-up and / or delivery of these communications. Any set-up procedures by either pilot or controller must be minimal and nearly instantaneous.


See: WP 114 – Taipei 1997 and WP 81 – Toulouse 1998

IFATCA Policy is:

For digital air-ground datalink communications to be considered to be direct controller pilot communications, they shall have demonstrated that they support communications dialogues that provide equivalent VHF voice characteristics in terms of the transactions times, the interface which the human uses to interact with the system, and in terms of the cognitive interface between human and system.


See: WP 102 – Santiago 1999

 

Last Update: September 29, 2020  

November 5, 2019   230   Jean-Francois Lepage    COM    

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