Fuel

Question 1

Tank capacities

Answer 1

• Outers - 6,500
• Inners - 72,000
• Center - 72,000
• Tail - 11,000
• Total - 240,000

Question 2

Fuel is Controlled by?

Answer 2

• 2 FCMC ( Fuel Control and Monitoring Computers)

Question 3

Tank filling order:

Answer 3

• Inners and outers first
• Around 80,500 start to go to Trim Tank
• Around 166,500 starts to feed center

Question 4

When does FCMC start to transfer to Trim? Automatic Cg control begins.

Answer 4

• During climb passing FL 25.5

Question 5

When does FCMCs start to transfer fuel forward?

Answer 5

• On descent passing FL 24.5 or 35 min from destination

Question 6

Fuel feed sequence during flight

Answer 6

• Center to inner
• Trim to Inner
• Outer to Inner