13. EMER ELEC PWR Panel

Question 1

What powers the emergency generator?

Answer 1

Blue hydraulic system pressure generated by the RAT

Question 2

When does the RAT automatically deploy?

Answer 2

Inflight with a loss of power to AC Bus 1 and 2

Question 3

What is the source of power during RAT deployment and approximately how long does it take?

Answer 3

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.

Question 4

What does the red FAULT light on the RAT & EMER GEN pb indicate?

Answer 4

The EMER GEN is not supplying power to AC and DC Essential busses.

Question 5

What does the SMOKE light in the GEN 1 LINE pb indicate?

Answer 5

Smoke detected in the avionics ventilation ducting.

Question 6

Will there be any other indications of avionics smoke on the overhead panel?

Answer 6

FAULT lights in the EXTRACT and BLOWER PBs on the VENTILATION panel

Question 7

What happens when you push the GEN 1 LINE pb to OFF?

Answer 7

Generator 1 is isolated from the electrical system network and is only providing power to one fuel pump in each wing fuel tank.

Question 8

When is this procedure used?

Answer 8

Smoke procedures

Question 9

Is there a way to manually deploy the RAT?

Answer 9

Yes, the guarded MAN ON pb

Question 10

Will the RAT deploy on the ground if this button is pressed?

Answer 10

Yes

Question 11

Do pilots ever use the EMER GEN TEST pb?

Answer 11

No – maintenance function only