相关题目
The control unit established to provide Air Traffic Control Service to controlled flights arriving at, or departing from, one or more aerodromes, is ( ).
When an aircraft station fails to establish contact with the aeronautical station on the designated frequency, it shall ( ) .
The controller may direct the pilot of the aircraft in distress to “squawk Mayday”. If this is the case, the pilot should ( ) .
Urgency messages have ( ) over all transmissions except distress messages.
The category symbol for flight forecast is ( ).
The word “Panpan”, spoken at the start of a transmission indentifies ( ) .
The word “Mayday” spoken at the start of a transmission identifies ( ) .
The ELT, an electronic, battery-operated transmitter, sends forth a distinctive ( ) on 121.5 MHz.
At night the aircraft in radio failure can acknowledge tower transmission or light signals by ( ) to indicate that the pilot understands the light signals and will comply accordingly.
The priority indicator for FPL is( ).
