Awhen the controller is in doubt about the capability of the pilot in complying with the clearance or instruction
Bafter an alternative clearance or instruction is offered
Cif the controller is sure that the pilot cannot comply with the clearance or instruction
Dwhen the controller is not ready to help the pilot
相关试题
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The phrase “if not possible, advise” may be used together with the clearance or instruction _______
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If an aircraft’s readback of a clearance or instruction is wrong, the controller shall transmit “__
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oes not work” The store manager may advice the consumer to write to the manufacturer. If so， the con
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oes not work” The store manager may advice the consumer to write to the manufacturer. If so， the con
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oes not work” The store manager may advice the consumer to write to the manufacturer. If so， the con