Fuel Panel - Rev 01

Question 1

What is the normal in-flight fuel management scheme?

(FCOM-DSC-28-10-30)

Answer 1

Use center tank first, then the wing tanks

Question 2

How many fuel pumps are installed?

(FCOM-DSC-28-10-30, FCOM-DSC-28-10-50)

Answer 2

a. 2 in each wing tank

b. 1 APU pump to provide fuel to the APU when the left wing/center tank pumps are off

c. 2 in center tank (500, 600, 800 series aircraft and N361VA)

d. 2 center tank transfer pumps (aircraft N281VA and subsequent & N362VA and subsequent)

Question 3

With full fuel, when do the center tank fuel pumps operate (A319/320)?

(FCOM-DSC-28-10-30)

Answer 3

a. For 2 minutes after BOTH engines are started (if slats are retracted, pumps will continue to operate)

b. After slat retraction

c. Continue to run for 5 minutes after the center tank is empty or slats are extended

Question 4

What will cause a FUEL MODE SEL FAULT light?

(FCOM-DSC-28-20)

Answer 4

a. Failure of the AUTO mode

b. Center tank contains more than 550 lb and either main tank has less than 11,000 lb

Question 5

When do the main tank outer cells drain into the inner tanks (A319/320)?

(FCOM-DSC-28-10-30)

Answer 5

When the inner tank quantity reaches 1,650 lbs

Question 6

If only one inner tank reaches 1,650 lb, what happens to the other transfer valves (A319/320)?

(FCOM-DSC-28-10-30)

Answer 6

All 4 transfer valves open

Question 7

Once opened to transfer fuel, how are the fuel transfer valves closed?

(FCOM-DSC-28-10-30)

Answer 7

Automatically at the next refueling operation

Question 8

How is the IDG cooled?

(FCOM-DSC-28-10-60, FCOM-DSC-70-40-50)

Answer 8

By fuel from the HP fuel pump drawn in from the fuel manifold and then returned to its respective outer tank. When full the outer tank spills over to the inner tank.

Question 9

If the IDG return fuel fills the wing tanks, what occurs?

(FCOM-DSC-28-10-30)

Answer 9

The center tank pumps turn off until the wing tank quantity reduces by 1,100 lb

Question 10

What does an amber FAULT light in the FUEL PUMP pushbutton indicate?

(FCOM-DSC-28-20)

Answer 10

Low fuel delivery pressure

Question 11

Can fuel be transferred from one tank to another?

(FCOM-DSC-28-10-70)

Answer 11

Only during ground refueling

Question 12

Why are the outer wing tanks drained last?

(FCOM-DSC-28-10-10)

Answer 12

Structural wing bending moment relief

Question 13

When does the APU fuel pump run?

(FCOM-DSC-49-10-20)

Answer 13

When the wing or center tank pumps are off or when the aircraft is on battery power only

Question 14

What does the REFUEL message on the ECAM indicate?

(FCOM-DSC-28-30)

Answer 14

The refueling control panel door is not closed

Question 15

What does an amber boxed ECAM FOB indicate?

(FCOM-DSC-28-20)

Answer 15

Some fuel is unusable