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ROC-A Radio Operator Certificate (Aeronautical) · Question

A flashing red light signal from Air Traffic Control to an aircraft in flight indicates:

A flashing red light signal from ATC to an aircraft in flight means the 'Airport unsafe, do not land'. This is a critical signal for safety and must be obeyed i

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Question: A flashing red light signal from Air Traffic Control to an aircraft in flight indicates:

Answer options:

  • Cleared to land.
  • Return for landing. ✅ Airport unsafe, do not land.
  • Clear of active runway.

Correct answer: Airport unsafe, do not land.

Explanation: A flashing red light signal from ATC to an aircraft in flight means the 'Airport unsafe, do not land'. This is a critical signal for safety and must be obeyed immediately.

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