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Home > Exam Questions > ATPL - Airline Transport Pilot license > Aircraft General Knowledge - Airframe, Systems, Powerplant > Regarding the oxygen system of a CS 25 aeroplane:

265 - ATPL - Regarding the oxygen system of a CS 25 aeroplane:

Question 265 - Aircraft General Knowledge - Airframe, Systems, Powerplant - ATPL - Airline Transport Pilot license

The same source of supply is used by the crew and passengers.

With the setting on "NORMAL", the crew breathes a mixture of oxygen and cabin air.

The passenger source of supply never uses chemically generated oxygen.

The seals must be carefully greased to avoid sparks.

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