相关题目
单选题
Airborne SSR transponder is in fact a ( ) .
单选题
SSR Code A7500 means ( ) .
单选题
SSR Code A7600 means ( ) .
单选题
SSR Code A7700 means ( ) .
单选题
The width of airway is ( ) km, and due to some constraints, should not be less than ( )km.
单选题
The flight forecast information compiled by ARO should be promulgated not later than ( ) hours on the day before the flight.
单选题
The separations of aircraft include vertical, lateral and ( ) separations.
单选题
Moderate icing means the depth of icing is ( ) mm per minute.
单选题
The typical ATIS may include ( ) .
单选题
The ATIS information is normally updated every ( ) .
