Fuel Flashcards
Fuelling lines on synoptic page normally shows as white when N2 get below…
60 % N2
Normal power source for reuelling is…
DC Bus 1, DC bus 2
The alternate power source for refuelling is from battery. But which bus?
Hot Batt Bus 2
What are magnetic fuelling dipsticks called?
LH3, LH2, LH1, RH1, RH2, RH3
What is the fuel quantity uncertainty?
2% of indicated + 0,75% of tank capacity.
What is the max indicated fuel quantity in each tank?
6550 kg
Total 13100 kg
What does the AC fuel pump provide fuel for?
- Onside engine during eng start
- Cross side engine for cross feed start
- APU, when engine is not running
- Backup pump when ejector pump fails
What is the power source for the AC pumps?
AC pump 1 - AC Bus 1
AC pump 2 - AC Ess bus
When can you see a FUEL 1(2) LO LEVEL warning?
- Fuel less than 400 kg
- In case of failure of scavenge pumps causing collector tank not to be full.
Around 2800 kg totally in the tank.
If you get a FUEL 1(2) LO LEVEL warning, what is important to avoid fuel starvation?
- Max attitude +- 15 degrees
- Avoid uncoordinated flight
- Avoid negative G - loads
When do you get caution FUEL IMBALANCE?
Diff 360 kg
When do you get FUEL LO TEMP?
-37 degrees C
What does advisory message
FUEL FEED 1(2) FAULT mean?
Respective AC pump is on due to failure of normal jet pump.