相关题目
The sequence of aircraft position report en-route should be （ ） ．
Which of the following situation for which ATC is responsible is not an ATC accident?
Which of the following is not a purpose for the establishment of standard phraseology in RTF communication?
Readback procedure is not a necessity for（ ）.
The phrase “unable to comply” is used （ ） ．
The phrase “if not possible, advise” may be used together with the clearance or instruction （ ） ．
If a correction can best be made by repeating the entire message, the operator shall use the phrase “（ ）” before transmitting the message a second time．
Which statement below is not true?
If an aircraft’s readback of a clearance or instruction is wrong, the controller shall transmit “（ ）” followed by the correct version．
The pilot should terminate the readback by （ ） ．
