Oxygen Flashcards
Where is crew oxy tank located in cockpit?
Under observer seat
How much oxy per sq inch is oxy tank charged for flight crew oxy?
1800 pounds per sq inch
At what pressure CREW OXY LOW PRESSURE displays on EICAS
Below 1000, CAS message below 1050
At what pressure is oxygen donned to flight crew from the masks¿
70psi
How to reset the oxygen mask after use
Press test to reset, close the oxy shutoff valve and reset the comms back to headsets
At what altitude diluted air of oxy mask (pressed N on Mask), changes to 100% oxy flow?
At 35000ft
How and when to activate oxygen mask emerg mode
The emergency mode is activated when the emergency flow control switch is turned clockwise.
During emergency mode, the flight crew breathes 100% oxygen with a positive pressure for protection from smoke and toxic fumes.
How is Ocygen mans Normal mode selected?
The normal (N) mode is selected when the N/100% selector is
pushed up. In the N mode, the flight crew breathes a mixture of ambient
air and oxygen. This dilution ratio changes with altitude, but above 35000
feet the flow is 100% oxygen.
How and when is 100 mode activated on flight crew oxy mask?
The 100% mode is selected when the
N/100% toggle switch is pushed down. In the 100% mode, the flight crew
breathes 100% oxygen at all altitudes.
At what altitude pax oxy drops automatically?
14500ft
What else happens automatically when pax oxy drops automatically above 14500?
Return to seat, no smoking, seatbelt signs
Which way to turn the knob on crew oxy mask to get 100% oxy?
Clockwise
What is ODU?
Oxygen dispensing unit for pax chem oxygen
How many mins of oxygen ODU provides?
13
EASA OXYGEN RULES - how many mins for crew and how many for pax
