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You have just contacted APPROACH and got the message “GULFAIR 655, standby for Precision frequency”. What is your next action?
  • A
    You acknowledge the message and wait.
  • B
    You don’t say anything and wait until they call you up.
  • C
    You switch to the Precision frequency.
  • D
    You confirm that you have understood the massage.
ICAO Annex 10
Volume II, Chapter 5
Phrase Meaning
STANDBY “Wait and I will cal you.”
Note.- The caller would normally re-establish contact if the delay is lengthy. STANDBY is not an approval or denial.

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