题目详情
单选题 UAL117 reply not received, turn left heading 270, I say again, left heading 270.UAL117, turn observed, will continue to pass instructions.Question: What can we infer from this exchange?( )
A. Receiver failure
B. Complete radio failure
C. Transponder failure
D. Transmitter failure

学科:管制员无线电陆空通话
时间:2025-10-14 09:20:53
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