Miscellaneous Systems Flashcards
When quick releasing the flight deck door, which hinge should be pulled first?
The bottom
What is the maximum load capacity of the passenger door?
1,000lbs total or minimum of 4 passengers at any 1 time.
What does the passenger door rest on when fully extended?
A support wheel
What does half magenta mean on the Doors synoptic page?
Unknown whether the door is secured or not.
Can the avionics bay door be opened from the inside?
Nope.
What door is not shown on the EICAS synoptic page?
The aft equipment bay door
How many panels are there in the cockpit windshields?
3 glass panels separated by 2 vinyl inter layers
How many panes on the cabin windows?
2
The flight deck door is equipped with decompression panels that are designed to provide venting to relieve a pressure differential in excess of ______.
0.5 psi
How many Quick Donning Masks are in the flight deck?
3
What are the 3 options of oxygen modes of the quick donning masks?
- Mix of O2 and Cabin Air
- Pure Oxygen
- Oxygen Under Pressure
Where is the flight deck oxygen cylinder?
Behind the entrance storage compartment.
Is the EICAS oxygen number corrected for OAT?
Yes
How much PSI is an oxygen canister fully charged?
1850 PSI
When will OXY LO PRES display?
When O2 drops below 1410 psi
Or outlet pressure from regulator drops below 45 psi
What is the green frangible disc on the left forward fuselage?
covers crew oxygen relief port. If cracked, indicates crew O2 may be depleted due to over pressure
Where is the O2 service panel?
Right side of fuselage immediately aft of the radome
What does the flow blinker do when O2 if flowing?
Shows a yellow cross
When is positive oxygen pressure automatically supplied to the quick donning masks regardless of switch position?
Cabin altitude exceeding 30,000’
What produces oxygen for the passengers?
Chemical generators
How long can a passenger station’s chemical generator provide oxygen for?
13 minutes
Where are the containers for passenger masks?
- Each pair of PAX seats
- Lavatory
- Each flight attendant area
Why do some O2 stations have 3 masks?
For flight attendants walking up and down the aisles
When does the flow of oxygen begin for passenger masks?
When the mask is pulled down. Begins chemical reaction in the O2 generator
How hot do the oxygen generators get?
500 degrees Fahrenheit
Is the oxygen flow to passenger masks positive pressure?
Yes
Can the oxygen flow to passenger masks be stopped once it starts?
Nope
When will the oxygen container automatically release passenger oxygen masks?
Cabin altitude at or above 14,000’
How can PAX masks be deployed automatically?
Pressing guarded PASS OXY Switchlight.
How many and Where are the portable oxygen cylinders?
2 of them, 1 at each flight attendant station
With the Quickdonning mask’s EMERGENCY knob in the full counterclockwise non-emergency position __________.
You must inhale to obtain oxygen
How many fire extinguishers and where are they?
4 in total:
1 behind FO’s death beneath CBP2
1 forward FA station middle compartment
1 aft bulkhead A/C left
1 forward emergency equipment compartment in the supplemental galley