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ATC clearances and communicationsQuestion 209 of 351

An aircraft has radiocommunication equipment. What must the pilot-in-command ensure about the radio?

  1. The radio is off while on the ground
  2. A listening watch on 121.5 MHz only
  3. The radio is used only in an emergency
  4. A listening watch on the appropriate frequency
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Correct answer: A listening watch on the appropriate frequency

The pilot-in-command must maintain a listening watch on the appropriate frequency.

Source: Canadian Aviation Regulations (SOR/96-433), CAR 602.136 Continuous Listening Watch

Practice atc clearances and communications

Questions last reviewed: 18 October 2026