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PSTAR Practice Test · Question

Scenario 4: What specific transponder code indicates an aircraft has suffered a radio failure?

Transponder code 7600 is reserved for indicating a radio failure. This alerts ATC to the situation, allowing them to provide appropriate assistance and instruct

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Question: Scenario 4: What specific transponder code indicates an aircraft has suffered a radio failure?

Answer options:

  • 7500
  • 7000
  • 7700 ✅ 7600

Correct answer: 7600

Explanation: Transponder code 7600 is reserved for indicating a radio failure. This alerts ATC to the situation, allowing them to provide appropriate assistance and instructions via visual signals or other means. The correct answer is "7600". This capacity-fill scenario 4 reinforces the same competency for the pstar bank and follows the certified explanation standard.

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