Doors Flashcards
How many emergency exits are located on the CRJ-700?
5 in total: The main door. The galley service door. 2 over-wing emergency exits. Crew escape hatch.
What is the capacity of the main passenger door?
1000 lb or 4 passengers.
How does the main passenger door open?
With from the inside or outside.
The door falls under its own weight and dampened by counter balance gas springs.
A retractable support wheel extends and locks into place when the door is opened.
A hinged cabin pressure relief flap opens to relieve any residual cabin pressure differential.
How does the main passenger door close?
Manually from the outside.
From the inside using the electric door assist system - an electric motor and a set of cables and pulleys that close the door.
How is the main passenger door status displayed to the pilot?
The Proximity Sensor Electric Unit (PSEU) senses door position and it is displays on the ‘doors synoptic page’ on ED2.
When will a red passenger door alert be displayed in the EICAS?
When two or more sensors on the door indicate that it is open.
How does the pilot know of the galley service door is closed?
A green indication on the ‘doors synoptic page’.
Which doors are not displayed on the ‘doors synoptic page’?
The emergency crew escape hatch and the aft equipment door.
What is the function of the Proximity Sensing Electronic Unit (PSEU)?
It monitors the position of the doors and their associated handles. The condition is displayed on the ‘doors synoptic page’.
How is the condition of each door displayed on the ‘doors synoptic page’?
Green to indicate the door is closed.
Amber when a door is open or not safely locked.
Red when the PSEU detects an unsafe condition.
Magenta when the door status is unknown.
How many doors are on the CRJ-700?
9 in total. FWD and AFT cargo doors. Over-wing emergency exits. Main door. Service door. FDW and AFT avionics doors. Crew escape hatch.
Which doors cannot be opened from the inside?
FWD and AFT cargo doors and the avionics bay door.
Must the door support cables be installed when moving the aircraft?
Yes.
What does a red main door on the doors synoptic page indicate?
Inner handle is not secure.
What does a yellow main door on the doors synoptic page indicate?
Outer handle is not secure.
