

MCQOPTIONS
Saved Bookmarks
1. |
For private aircraft operating in the US, the crew is required to use oxygen masks if the cabin altitude stays above __________ for more than 30 minutes. |
A. | 12,000 feet |
B. | 50,000 feet |
C. | 25,000 feet |
D. | 20,000 feet |
Answer» B. 50,000 feet | |