题目内容
T or F 198The visibility of the airport is greatly affected by heavy fog.[音频]
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T or F 469The pilot will convert to radio navigation to continue the flight.[音频]
T or F 478The pilot requests heading instructions from the ATC due to FMC resetting.[音频]
T or F 480The aircraft is now flying without navigation systems.[音频]
T or F 490This aircraft has encountered communication problem.[音频]
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