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Home > Exam Questions > ATPL - Airline Transport Pilot license > Operational Procedures > For a pressurised aircraft, the first-aid oxygen is designed to:

125 - ATPL - For a pressurised aircraft, the first-aid oxygen is designed to:

Question 125 - Operational Procedures - ATPL - Airline Transport Pilot license

Protect all the occupants against the effects of accidental depressurisation.

Protect the flight crew and cabin attendants against fumes and noxious gases.

Provide oxygen to 10% of passengers at a cabin altitude exceeding 13000 ft after 30 minutes.

Provide undiluted oxygen to passengers for physiological reasons following a cabin depressurisation.

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