相关题目
SIGMET is a weather advisory issued concerning weather （ ） to the safety of all aircraft.
Movement area is the part of an aerodrome to be used for the takeoff, landing and taxiing of aircraft, consisting of the manicuring area and the （ ） .
Instrument flight rules are a set of rules governing the conduct of flight under instrument （ ） conditions.
Glide path is a descent （ ） determined for vertical guidance during a final approach.
Flight level is a （ ） of constant atmospheric pressure which is related to a specific pressure datum 1013.2 hpa.
Which of the following is not part of the integrated aeronautical information package?
Aerodrome elevation is the elevation of （ ）.
Air traffic means all aircraft in flight or operating on the （ ） of an aerodrome.
The true airspeed is the airspeed of an aircraft relative to （ ） air.
Airspeed is the speed of an aircraft relative to its surrounding （ ） .
