Fuel System

Question 1

How does the fuel from the centre tank feed the engines?

Answer 1

2 jet pumps are located in the centre tanks. Fuel is transferred from the CTR to the WINGs, controlled by transfer valves.

The engines are then supplied with fuel from the wings

Question 2

Can you feed the engines with fuel from the CTR tanks?

Answer 2

No, there are no centre tank fuel lines directly to the engines

Question 3

Total usable fuel?

Answer 3

18,880kgs (STD density)

L 6220
C 6440
R 6220

Question 4

In normal operations, do the CTR TK XFR valves remain open or closed?

Answer 4

Open throughout, until they close automatically 5 mins after a CTR TK Lo LVL is reached

Question 5

When does the “FOB BELOW 3T” illuminate in the E/WD memo?

Answer 5

When the fuel quantity in either wing is below 1500kgs

Question 6

Average cruise FF (approx)?

Answer 6

2100kgs per hr

Question 7

Typical final reserve fuel?

Answer 7

1100kgs

Question 8

Typical Minimum Diversion (MAN - EMA)?

Answer 8

1700kgs approx