A、 notify concerned emergency unit at the airport to be ready before the A/C lands
B、 leave the altitude the A/C occupies and the altitude below the A/C unoccupied, prohibit the activities of other A/C and irrelevant vehicles in the maneuvering area
C、 allow the A/C to proceed to the destination airport at favored altitude
D、 A, B and C
答案:空
A、 notify concerned emergency unit at the airport to be ready before the A/C lands
B、 leave the altitude the A/C occupies and the altitude below the A/C unoccupied, prohibit the activities of other A/C and irrelevant vehicles in the maneuvering area
C、 allow the A/C to proceed to the destination airport at favored altitude
D、 A, B and C
答案:空
A. control van
B. fire service
C. maintenance service
D. tug
A. Roger
B. Ok
C. Affirm
D. Yes
A. 8
B. 10
C. 15
D. 20
A. 600
B. 400
C. 300
D. 350
A. PLA air force
B. regional administration of CAAC
C. CAAC
D. air traffic control center
A. type
B. cruising speed
C. flight altitude
D. flight range
A. for VFR flights
B. for local or very short flights
C. for local flights
D. for test flights
A. call, cooperate, comply and confess
B. Confess, communicate, climb and comply
C. communicate, cooperate, confess and comply
D. climb, control, cooperate and communicate
A. Acknowledge
B. Confirm
C. Check
D. Verify
A. A7500
B. A7600
C. A7700
D. A, B and C