相关题目
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, （ ） .
Flight level M1120 equals to （ ） .
When informed by ATC that the aircraft is in radar contact, the pilot should （ ） （ ） position report over compulsory reporting points.
If Delta 12G is given a hand-off to Cleveland center while climbing through 7,500ft to an assigned altitude of 12,000ft, the correct phraseology for the pilot’s initial call-up to centre is （ ） .
A traffic control centre is divided into sectors in order to （ ） .
TWA152, expect straight-in ILS approach, runway 07, QNH1005, report（ ） .
GABCD, （ ） downwind one mile to give room for a departure.
