A330 Fuel System Flashcards
Maximum fuel temperature
55 degrees C
Minimum fuel temperature in flight
.- 54 degrees C or fuel freeze +3
Minimum fuel temperature in flight Jet A1
-44, (Jet A1 freeze -47)
Minimum fuel temperature in flight Jet A
-37, jet A freeze -40?
Minimum fuel temperature in flight JP5
-43, JP5 freeze -46 degrees C
Minimum fuel temperature in flight JP8
-43, JP8 freeze temp -47 (NATO/military version of Jet A1 with additives)
Outer tank fuel capacity
2865 kg each, 5730 kg total
Inner tank fuel capacity
32,970 kg each, 65,940 kg total
Centre tank capacity
32,625 kg
Trim tank capacity
4891 kg
Total fuel capacity
200 - 109,186 kg, 300 - 76,369 kg
Collector tank capacity, usual quantity
1150 kg
Collector tank possible non return valve failure indication
Less than 900 kg
Minimum fuel for take-off
5200 kg or no WING TK LO LVL
Maximum fuel discrepancy
( not including trapped CWT up to 750kg considered unusable )
New 600 kg or more if load more, ? Go to chart…
Up to 15 t 600 kg
Between 15 t and 35 t. 700 kg
Between 35 t and 55 t. 800 kg
Between 55 t and 75 t. 900 kg
Between 75 t and 90 t 1 000 kg
More than 90 t 1100 kg
CWT maximum trapped fuel
750 kg (considered unusable)
Stabilizer fuel tolerance
200kg,
Standard fuel load with minimum Inners before outers fill
4500kg each, 9,000 kg total ?
Total minimum fuel load when outers are full (2900 kg each)
14,800 kg ?
Total minimum fuel when trim tank starts to fill
Inners to 15,385 total 36,500 kg
Total minimum fuel when trim tank fills to 2400 kg
Over 36,500 kg trim fills til 38,900 kg total
Total minimum fuel when centre wing tank starts to fill
74,100 kg (trim tank inc @2400kg)
Total minimum fuel when trim tank fills over 2400 kg
Over 74.1 trim & ctr fill
Non emergency fuel imbalance limit when outer tank full
1480 kg
Non emergency fuel imbalance limit when outer tank at 2400 kg
1580 kg
Non emergency fuel imbalance limit when outer tank at 1730 kg
1730 kg
Non emergency fuel imbalance limit when inner tank full
2900 kg
FULL 2,900 kg (6,400 lbs)
FULL 1,480 kg (3,260 lbs)
HALF 4,800 kg (10,500 lbs)
2,400 kg (5,290 lbs) 1,580 kg (3,480 lbs)
Inner 7,500 kg (16,500 lbs) 7,500 kg (16,500 lbs)
Outer 1,740 kg (3,810 lbs) 1,730 kg (3,810 lbs)
Non emergency fuel imbalance limit when inner tank half full
4800 kg
Non emergency fuel imbalance limit when inner tank at 7500 kg
7500 kg
Prohibited fuel types ?
JP4 & Jet B ? Limits APU to FL250 ?
Trim tank auto transfer fwd
On descent passing FL 245 or when Inners below 4000 kg, stops when they reach 5000 kg
Trim tank auto aft transfer on climb
Climbing through FL255, inners more than 6250 kg to target cg 37-39% in 0.5% increments
Outer tanks auto transfer to inners
When inners reduce to 3500 kg, then stop at 4000 kg
Fuel auto transfer from centre to inners
When 2000kg each free til full.
Trim tank auto transfer to one inner only if
One lower by 500kg
If CG fwd of 32% with CWT & trim Tk fuel
One CWT reaches 17,000kg trim fwd tfr til 2400 kg in trim
Once CWT is 0 kg, trim fwd tfr til empty
Trim tank aft transfer under what conditions
Above FL255
Inners above 6250 kg
Gear up
Slats retracted
Trim tank auto tfr fwd if
Less thann 35 min to dest or below FL245
(Gear up, slats retracted)
No trim tfr if
Gear down
Slats extended
Target cg when trim tank tfr in crz
37% @ 230.0t
39% @ 168.0t
Tfr in 0.5% increments
