A. due traffic behind B. due flow control C. due broken vehicle behind D. due traffic jam
A. facing north B. facing east C. facing south D. facing west
A. due ground handling B. due traffic jam C. due broken tug D. due catering delay
A. 05 B. 10 C. 45 D. 50
A. 54 B. 55 C. 40 D. 15