EMER ELEC PWR and EVAC panel Flashcards
How would the flight crew command an
evacuation?
o Make a PA announcement – do
not use the switch.
What powers the emergency generator?
o Blue hydraulic system pressure generated by the RAT.
When does the RAT automatically deploy?
o Inflight with a loss of power to AC bus 1 and 2.
What is the source of power during RAT deployment and approximately how long
does it take?
o The aircraft batteries are the sole source of electrical power for the AC and DC
Essential Buses until the EMER GEN is online, which takes between 5-10 seconds.
What does the red FAULT light on the RAT & EMER GEN pb indicate?
o The EMER GEN is not supplying power to AC and DC Essential busses.
What does the SMOKE light in the GEN 1 LINE pb indicate?
o Smoke detected in the avionics ventilation ducting.
Will there be any other indications of avionics smoke on the overhead panel?
o FAULT lights in the EXTRACT and BLOWER PB’S on the VENTILATION panel.
What happens when you push the GEN 1 LINE pb to OFF?
Generator 1 is isolated from the electrical system network
and is only providing power to one fuel pump in each wing
fuel tank.
When is this (Push GEN 1 LINE pb to OFF?) procedure used?
o Smoke procedures
Is there a way to manually deploy the RAT?
Yes, the guarded MAN ON pb.
Will the RAT deploy on the ground if this button is pressed?
o YES
Do pilots ever use the EMER GEN TEST pb?
o No – maintenance function only.
