词汇与结构 Air traffic control units use the term “______” when they are assigning an aircraft a transponder code.
举一反三
- Air traffic control units use the term "______" when they are assigning an aircraft a transponder code. A: squall B: squawk C: squad D: reset
- 词汇与结构 When aircraft are under radar control, air traffic controllers may replace some or all of these phases of the approach with radar____.
- 词汇与结构When aircraft are under radar control, air traffic controllers may replace some or all of these phases of the approach with radar____. A: guidance B: services C: vectors D: controls
- Air traffic control provides traffic ______ services to the aircraft on a time permitting basis.
- People _____ in air traffic control may monitor aircraft movement in control tower.