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A departing flight will normally remain on tower frequency until

  1. Athe flight is 2,000 feet AGL.
  2. B25 NM from the airport.
  3. C15 NM from the Control Zone.
  4. Dclear of the Control Zone.Correct answer

Why this is the answer

Per the TC AIM, a departing flight normally stays on tower frequency until clear of the control zone, at which point the tower releases or hands it off — not at a fixed distance or altitude.

Reference

TC AIM-RAC – Release from Tower Frequency

Question reproduced verbatim from Transport Canada’s PSTAR Study and Reference Guide (TP 11919E). The answer key is Transport Canada’s; the explanation is ours.

A study aid — not a substitute for the official guide, the CARs, or your instructor.

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