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A pilot in flight hears an urgency message on an area control frequency that is acknowledged by the area controller. What action must the pilot take?
  • A
    Immediately stop all transmissions on the frequency being used by the urgency traffic.
  • B
    Take care not to interfere with the transmission of the urgency traffic.
  • C
    Immediately inform the controller of his/her position in order to provide assistance if necessary.
  • D
    Write down the information being transmitted and re-transmit it on the emergency frequency 121.5 MHz.

ICAO Annex 10, Volume II
5.3.3 Radiotelephony urgency communications

5.3.3.3 Action by all other stations
5.3.3.3.1 The urgency communications have priority over all other communications, except distress, and all stations shall take care not to interfere with the transmission of urgency traffic.

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