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Home > Exam Questions > ATPL - Airline Transport Pilot license > Operational Procedures > A commercial air transport aircraft is intended to be operated at FL 390. The total number of oxygen masks (dispensing units and outlets) in the cabin must be at least the same as the total number of:

254 - ATPL - A commercial air transport aircraft is intended to be operated at FL 390. The total number of oxygen masks (dispensing units and outlets) in the cabin must be at least the same as the total number of:

Question 254 - Operational Procedures - ATPL - Airline Transport Pilot license

Passengers.

Seats.

Passengers exceeded by 10%.

Seats exceeded by 10%.

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