Id 489 - ATPL - Oxygen systems are systems used on pressurized airplanes in 1. an emergency in the case of depressurization. 2. an emergency in the case of the indisposition of a passenger. 3. normal use in order to supply oxygen to the cabin. 4. an emergency in the case of smoke or toxic gases The combination regrouping all the correct statements is:
Question id 489 - Aircraft General Knowledge - Airframe, Systems, Powerplant - ATPL - Airline Transport Pilot license
1, 2, 4
3
1, 4
2, 3
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