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ATR 42-500 > Emergecy Equipment > Flashcards

Flashcards in Emergecy Equipment Deck (6)
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1

Oxygen System

The system consists of a main system supplying the cockpit crew and the pax. A portable unit supplies the cabin attendant.

2

Main oxygen bottle specs

2188L (77cuft)
1850psi nominal pressure, reduced to 78psi in the distribution system.
LOPR light when distribution is below 50psi

3

Crew masks

3 Quick donning masks provide the cockpit crew with 120 mins of diluted O2 in the normal setting, 15 mins on %100.

4

Cabin Attendant Bottle

Provides 30mins diluted O2 at 13000ft for 1FA.

5

Passenger Oxygen System

The main system provides pax protection through the PAX SUPPLY valve. Allows diluted O2 through 12 masks for %25 of the pax for 30 minutes in addition to the 120 minute supply for the crew.

6

How many fire extinguishers and oxygen bottles onboard? Where are they?

3 fire extinguishers (2 halon, 1 water). 1 halon located in the cockpit, 1 water in the fwd cabin and 1 halon in the aft cabin.

2 oxygen bottles, main O2 in the cockpit and portable in the aft cabin.