Hydraulics Flashcards
1
Q
Normal hydraulic operating pressure
A
3000 PSI
2
Q
RAT operating pressure
A
2500 PSI
3
Q
What causes RAT to auto deploy
A
Dual engine failure
Low fluid level in G/Y or G/B reservoir
4
Q
When does green electric pump run
A
If one engine fails, green electric pump runs for 25s when gear is selected up.
5
Q
When does blue electric pump run?
A
OEI in addition to a PRIM1 or 3 loss to ensure sufficient power for the rudder.
6
Q
What causes yellow electric pump to run?
A
Eng 2 failure if the flap lever is not at zero and spf >100kts
