Tom Moreau Posted January 7, 2021 at 02:53 PM Posted January 7, 2021 at 02:53 PM I understand the concept of top down ATC. What I would like to clarify is whom do I call. I am based at CYKF, which has ground, tower and ATIS. Toronto Centre controls the ARTCC part of the show. If no one is manning the tower or ground but Toronto Centre is active. I assume I contact Centre. Do I address them as Centre when I wish to taxi or do I call them Waterloo Ground? Link to comment Share on other sites More sharing options...
Koen Meier Posted January 7, 2021 at 02:55 PM Posted January 7, 2021 at 02:55 PM you address them by their callsign. Link to comment Share on other sites More sharing options...
Robert Shearman Jr Posted January 7, 2021 at 09:15 PM Posted January 7, 2021 at 09:15 PM ... and to clarify, "their callsign" is Toronto Center, regardless of what other subordinate roles they are inheriting through top-down coverage. Cheers, -R. Link to comment Share on other sites More sharing options...
Tobias Dammers Posted January 8, 2021 at 10:58 AM Posted January 8, 2021 at 10:58 AM Use the callsign they are listed as in your pilot client, vatspy, or whatever you use to find active stations. Though you won't be scalded for addressing center as "ground" or "delivery", they'll just quietly correct you by responding with their correct callsign explicitly. Link to comment Share on other sites More sharing options...
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