相关题目
If an aircraft performs the initial part of a flight as a controlled flight, and at a later stage will continue as an uncontrolled flight, the clearance limit should normally be （ ） .
An ATC unit addressed by an urgency call should （ ） .
Should the pilot of an aircraft equipped with a transponder experience a loss of two-way radio capability, he can be expected to （ ） .
When the inbound leg of an assigned holding pattern lies on the 030 radial of VOR，which holding direction will be specified in the clearance?
ACC may, after contact with approach, clear the first aircraft in an approach sequence for approach, otherwise, the aircraft should （ ） .
An aircraft is to be cleared for the entire route to the intended landing airport （ ） .
Amendments to the initial clearance will be issued at any time an air traffic controller deems such action necessary to （ ） .
An essential traffic message should be in such a form that the traffic can be easily identified and contains the following elements: （ ） .
Assume an aircraft is in a standard holding pattern on the 270 radial of a VOR TAC, if a magnetic heading of 080 is required on the inbound leg, what heading should be maintained on the outbound leg?
Whenever possible, the controller should issue a clearance beyond the fix at least 5 minutes before the aircraft reaches the clearance limit, （ ） .
