相关题目
Vertical separation is obtained by assigning different （ ） to aircraft, in other words, they are separated by a specified vertical distance.
The code range under SSR Mode A interrogation and response is （ ） .
Two aircraft taxiing on the ground, if the wake turbulence of the preceding aircraft is medium, the succeeding aircraft should keep a minimum distance of （ ） m from it.
It is （ ） that the controllers know the position and future plan of every aircraft within his sector.
Generally, the speed of aircraft taxiing on the ground should not exceed （ ） km/h.
Aircraft flying at different altitudes under VRF should maintain at least a （ ） m vertical separation between each other.
Because of their high fuel consumption at low levels, （ ） prefer to remain at higher altitudes before starting their descent.
When airports are very busy the approach controller may have to （ ） the aircraft at different levels so that each may descend in turn towards the airport.
The approach controller generally （ ） the control of an arriving aircraft from the area controller and eventually hands over that aircraft to the control tower. For departing aircraft the procedure is reversed.
Aircraft on the same flying track and at the same altitude under VFR should maintain a longitudinal separation of at least （ ） m when cruising above 250km/h.
