Fuel

Question 0

The transfer valves automatically open when the wing inner tank fuel quantity drops to _____ pounds?

Answer 0

1,650 lbs

Question 1

What is the fuel feed sequencing for the ____ (A319/320/321)?

Answer 1

A319/320: fuel is used from the center tank first, then the wing tanks.
A321: fuel flows from the center tank to the wing tanks which feed the engines. The tanks empty in the following sequence: Aft ACT, forward ACT, center tank, wing tanks.

Question 2

The transfer valves have opened. When will they close?

Answer 2

Automatically during the next refueling operation

Question 3

With the SEL switch in AUTO, when will the center tank pumps operate (A319/320)?

Answer 3

The center tank pumps operate for two minutes after each engine is started, will not restart until slats are retracted in flight, and continue to operate until five minutes after the center tank is empty.

Question 4

Is refueling possible if the aircraft batteries are the only source of power?

Answer 4

Yes

Question 5

Can fuel be gravity fed to the engines?

Answer 5

Yes, in-flight

Question 6

How many fuel pumps are in each fuel tank (A319/320)?

Answer 6

Two.