Oxygen Flashcards
How is cockpit crew oxygen supplied?
A single high pressure bottle
The passenger oxygen mask doors open automatically if the cabin exceeds what altitude?
14,000 ft
What is the purpose of the CREW SUPPLY pb?
Controls the supply valve in the avionics bay
What indications do we have on ECAM when the CREW SUPPLY pb is OFF?
“OXY” in front of oxygen pressure on the DOOR page turns amber
Passenger oxygen is supplied by what?
Chemical generator system
Passenger oxygen system will provide a supply of oxygen for approximately how long?
13 minutes
Above 35,000 feet, the cockpit crew oxygen masks provide what type of oxygen, 100% or mixed?
100%, regardless of the position of the N/100% selector
How can the passenger oxygen system be activated?
Automatically at 14,000 feet cabin altitude, or by manually pressing the MASK MAN ON pb
What does the MASK MAN ON pb do?
Energizes the system, opening the doors
When will the flow of oxygen begin for the passengers?
When the mask is pulled toward the seat