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What is the meaning of the phrase "Break Break" when used by an Air Traffic Services unit?
  • A
    I hereby indicate that all stations shall omit read-backs.
  • B
    I hereby indicate the separation between messages transmitted to different aircraft in a very busy environment.
  • C
    I hereby indicate that an urgent message has to be transmitted by any receiving station to another station with which radiocommunication has previously been broken.
  • D
    I hereby indicate that an incident has occurred and that I will shortly cease to provide Air Traffic Services.

ICAO Annex 10, Volume II
Chapter 5. Aeronautical Mobile Service - Voice Communications

BREAK - “I hereby indicate the separation between portions of the message.” (To be used where there is no clear distinction between the text and other portions of the message.)

BREAK BREAK - “I hereby indicate the separation between messages transmitted to different aircraft in a very busy environment.”

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