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Regarding the use of the words "Over" and/or "Out", which of the following is correct?

  • A

    "Over" and "out" are never used in aeronautical communications.

  • B

    "Over" and "out" are ICAO standard terminology but are not used in VHF communications.

  • C

    "Over" and "out" are not ICAO standard terminology but may occasionally be heard in aeronautical communications.

  • D

    “Over” has to be used at the end of every VHF transmission to indicate that the transmission is over and that an answer is expected.

  • Both the words "OVER" and "OUT" are ICAO standard terminology
  • Both words are not normally used in VHF communications

ICAO Annex 10 Volume II
5.2.1.5 TRANSMITTING TECHNIQUE

OUT “This exchange of transmissions is ended and no response is expected.”

Note: Not normally used in VHF or satellite voice communications.

OVER “My transmission is ended and I expect a response from you.”

Note: Not normally used in VHF or satellite voice communications.

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