Air traffic control units use the term "______" when they are assigning an aircraft a transponder code.
A: squall
B: squawk
C: squad
D: reset
A: squall
B: squawk
C: squad
D: reset
举一反三
- 词汇与结构 Air traffic control units use the term “______” when they are assigning an aircraft a transponder code.
- 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.
- 4. From the control tower, air traffic controllers coordinate aircraft movement both ________ and on the ground. A: on the air B: in the air C: at the air D: of the air
- Lesson 5 Understanding Text A T or F -3Air traffic control units only specialize in providing air traffic control services.