相关题目
VHF is （ ） .
When aircraft depart at specified times, they are separated （ ） .
On a flight progress strip, a controller （ ） only current flight data.
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.
