What is the total number of oxygen masks aboard the aircraft?

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Multiple Choice

What is the total number of oxygen masks aboard the aircraft?

Oxygen masks are counted by adding the masks available for passengers and the masks at crew jumpseats and cockpit areas. In this aircraft configuration there are sixty-six passenger seats, each with a mask, plus three additional masks for crew jumpseats/cockpit access. Add them together and you get sixty-nine total oxygen masks on board. This explains why sixty-nine is the correct total. The other numbers would omit some of the crew-area masks or miss passenger-seat masks, so they don’t match the actual count.

Oxygen masks are counted by adding the masks available for passengers and the masks at crew jumpseats and cockpit areas. In this aircraft configuration there are sixty-six passenger seats, each with a mask, plus three additional masks for crew jumpseats/cockpit access. Add them together and you get sixty-nine total oxygen masks on board. This explains why sixty-nine is the correct total. The other numbers would omit some of the crew-area masks or miss passenger-seat masks, so they don’t match the actual count.

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