Fuel Capacity
42,000 lbs (41,285)
Why is it possible to show a value higher than 42,000 lbs?
The fuel can expand by 2% without venting overboard
How many fuel pumps?
7
2 in each wing
2 in the center
plus the APU pump
fault light on tank pump pb
low delivery pressure
fault light on MODE pb
Failure of the AUTO mode
With more than 550 lbs in the center tank,
and less than 11,000 lbs in either inner tank
What if IDG cooling fuel re-fills an inner/wing tank while the center tank is feeding?
The center tank feeding will stop until the associated inner/wing tank quantity is reduced by 1,100 lbs.
When do the outer tanks drain into the inner tanks?
When either inner tank quantity reaches approximately 1650 lbs, all four valves open.
outer tank quantity
1500 lbs each
(1494)
inner tank quantity
11,968 lbs each
center tank quantity
14,274 lbs
layout of the fuel tanks
center tank
wing tanks
A320 wing tanks are divided, inner and outer
A321 wing tanks are not divided
all have vent tanks
ECAM alert…
FUEL WING TK LO LVL
Do NOT take off with this alert
minimum fuel quantity for
take off 3307 lbs
Regarding APU starts during fueling/defueling
If the APU fails to start or
after an auto shutdown
do not start the APU.
If a fuel spill occurs
perform a normal
APU shutdown
