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A pilot is performing visual patterns at a controlled aerodrome when he/she notices that the radio is unserviceable. The aircraft forms part of the aerodrome traffic. Which option correctly lists all the actions (given below) that the pilot must take?

1. If a series of red flashes is observed, divert as the aerodrome is unsafe
2. Attempt to establish contact with the appropriate ATS unit using all other available means
3. If a series of green flashes is observed, approach to land at the aerodrome

  • A
    Only 1 and 3.
  • B
    1, 2, and 3.
  • C
    Only 1 and 2.
  • D
    Only 2 and 3.

Refer to figure.
ICAO Annex 2
Appendix 1 - 4. SIGNALS FOR AERODROME TRAFFIC

4.1 Light and pyrotechnic signals

From Aerodrome Control to Aircraft in-flight

  • Steady green - Cleared to land
  • Steady red - Give way to other aircraft and continue circling
  • Series of green flashes - Return for landing*
  • Series of red flashes - Aerodrome unsafe, do not land
  • Series of white flashes - Land at this aerodrome and proceed to apron*
  • Red pyrotechnic - Notwithstanding any previous instructions, do not land for the time being

* Clearances to land and to taxi will be given in due course.

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