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What does the instruction "Fastair 345 standby 118.9 for TOWER" mean?

  • A

    Fastair 345 should standby on the current frequency.

  • B

    Fastair 345 should contact TOWER on 118.9.

  • C

    Fastair 345 should listen on frequency 118.9 on which TOWER will initiate further communications.

  • D

    Fastair 345 should change frequency to 118.9 on which aerodrome data are being broadcast.

Refer to figure.
ICAO Doc 9432
2.8.2 Transfer of communications

2.8.2.2 An aircraft may be instructed to “stand by” on a frequency when it is intended that the ATS unit will initiate communications soon, and to “monitor” a frequency on which information is being broadcast.


Note: When told to stand by on a frequency, the pilot is expected to tune that frequency and wait for air traffic control to contact him/her there. For example, Standby for Tower 118.1. In such case, air traffic control is supposed to contact the pilot, not the other way around.

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