The correct answer is:
A. 30 minutes
Explanation:
- Air Carrier Operation refers to the takeoff or landing of an air carrier aircraft, including the time before takeoff and after landing.
- This entire process, from before takeoff until after landing, typically takes about 30 minutes to complete.
- Therefore, the correct choice is A, 30 minutes. This time frame accounts for the necessary procedures, checks, and activities involved in the operation of an air carrier aircraft.
