相关题目
Speed adjustments should not be requested or applied after the aircraft has passed a point （ ） from the threshold on final approach.
The ground controller in the tower is responsible for （ ） .
Only when weather condition in not below the captain’s weather minima is VFR flight below （ ） meters allowed.
The radar controller should advise the aircraft of its position （ ） prior to commencement of final approach.
The landing sequence of aircraft should follow （ ） principle.
（ ） change should be made by a radar controller to a clearance issued by a non-radar controller without the prior approval of the latter, except when special procedures are in effect, or when circumstances necessitate immediate action.
During VFR, two aircraft flying head-to-head at the same altitude should both turn to the right to avoid and have a minimum separation of （ ） m
The control position at tower, approach and area control office must have at least （ ） （ ）licensed controllers on duty.
To know exactly the arriving aircraft’s position, the control unit may ask the pilot to report （ ） .
The approach controller should start monitoring the aircraft （ ） minutes before it is expected to enter the controlled airspace, open the navaids, and obtain the landing procedure and runway-in-use for the aircraft from the tower controller.
