A330 Fuel System

Question 1

Maximum fuel temperature

Answer 1

55 degrees C

Question 2

Minimum fuel temperature in flight

Answer 2

.- 54 degrees C or fuel freeze +3

Question 3

Minimum fuel temperature in flight Jet A1

Answer 3

-44, (Jet A1 freeze -47)

Question 4

Minimum fuel temperature in flight Jet A

Answer 4

-37, jet A freeze -40?

Question 5

Minimum fuel temperature in flight JP5

Answer 5

-43, JP5 freeze -46 degrees C

Question 6

Minimum fuel temperature in flight JP8

Answer 6

-43, JP8 freeze temp -47 (NATO/military version of Jet A1 with additives)

Question 7

Outer tank fuel capacity

Answer 7

2865 kg each, 5730 kg total

Question 8

Inner tank fuel capacity

Answer 8

32,970 kg each, 65,940 kg total

Question 9

Centre tank capacity

Answer 9

32,625 kg

Question 10

Trim tank capacity

Answer 10

4891 kg

Question 11

Total fuel capacity

Answer 11

200 - 109,186 kg, 300 - 76,369 kg

Question 12

Collector tank capacity, usual quantity

Answer 12

1150 kg

Question 13

Collector tank possible non return valve failure indication

Answer 13

Less than 900 kg

Question 14

Minimum fuel for take-off

Answer 14

5200 kg or no WING TK LO LVL

Question 15

Maximum fuel discrepancy

Answer 15

1000kg, old ( not including trapped CWT considered unusable )
New 600 kg or more if load more, ? Go to chart…

Question 16

CWT maximum trapped fuel

Answer 16

750 kg (considered unusable)

Question 17

Stabilizer fuel tolerance

Answer 17

200kg,

Question 18

Standard fuel load with minimum Inners before outers fill

Answer 18

4500kg each, 9,000 kg total ?

Question 19

Total minimum fuel load when outers are full (2900 kg each)

Answer 19

14,800 kg ?

Question 20

Total minimum fuel when trim tank starts to fill

Answer 20

Inners to 15,385 total 36,500 kg

Question 21

Total minimum fuel when trim tank fills to 2400 kg

Answer 21

Over 36,500 kg trim fills til 38,900 kg total

Question 22

Total minimum fuel when centre wing tank starts to fill

Answer 22

74,100 kg (trim tank inc @2400kg)

Question 23

Total minimum fuel when trim tank fills over 2400 kg

Answer 23

Over 74.1 trim & ctr fill

Question 24

Non emergency fuel imbalance limit when outer tank full

Answer 24

1480 kg

Question 25

Non emergency fuel imbalance limit when outer tank at 2400 kg

Answer 25

1580 kg

Question 26

Non emergency fuel imbalance limit when outer tank at 1730 kg

Answer 26

1730 kg

Question 27

Non emergency fuel imbalance limit when inner tank full

Answer 27

2900 kg

Question 28

Non emergency fuel imbalance limit when inner tank half full

Answer 28

4800 kg

Question 29

Non emergency fuel imbalance limit when inner tank at 7500 kg

Answer 29

7500 kg

Question 30

Prohibited fuel types ?

Answer 30

JP4 & Jet B ? Limits APU to FL250 ?

Question 31

Trim tank auto transfer fwd

Answer 31

On descent passing FL 245 or when Inners below 4000 kg, stops when they reach 5000 kg

Question 32

Trim tank auto aft transfer on climb

Answer 32

Climbing through FL255, inners more than 6250 kg to target cg 37-39% in 0.5% increments

Question 33

Outer tanks auto transfer to inners

Answer 33

When inners reduce to 3500 kg, then stop at 4000 kg

Question 34

Fuel auto transfer from centre to inners

Answer 34

When 2000kg each free til full.

Question 35

Trim tank auto transfer to one inner only if

Answer 35

One lower by 500kg

Question 36

If CG fwd of 32% with CWT & trim Tk fuel

Answer 36

One CWT reaches 17,000kg trim fwd tfr til 2400 kg in trim
Once CWT is 0 kg, trim fwd tfr til empty

Question 37

Trim tank aft transfer under what conditions

Answer 37

Above FL255
Inners above 6250 kg
Gear up
Slats retracted

Question 38

Trim tank auto tfr fwd if

Answer 38

Less thann 35 min to dest or below FL245
(Gear up, slats retracted)

Question 39

No trim tfr if

Answer 39

Gear down
Slats extended

Question 40

Target cg when trim tank tfr in crz

Answer 40

37% @ 230.0t
39% @ 168.0t
Tfr in 0.5% increments