Fuel

Question 1

What is FLSCU?

Answer 1

Fuel level sensing and control unit
Comprises of:
- Fuel level sensors to sense high, low and overflow eg. LO LVL Ecam when one tank goes below 750kg
- Fuel temperature sensor to control IDG cooling recirculation

Question 2

What is Fuel Interting System?

Answer 2

Only in center tank (as has high flammability exposure)

Basically a system on belly fairing of aircraft, that provides oxygen-depleted air to replace ambient air in fuel tank)”.

Question 3

What do two dashes across last 2 digits of fuel tank quantity mean?

Answer 3

FQI is inaccurate

Question 4

What does it mean if a tank is boxed amber?

Answer 4

Outer- both transfer valves fair to open while at low level
Center- both center tank transfer valves fail in closed position

This will result in FOB figure being half boxes amber

Question 5

If a total fuel indication is half boxed amber- what can you do to find out how much accuracy is lost?

Answer 5

Open up fuel SD page and see which tank is affected.

Check in FCOM (under legend for FUEL ECAM page) and see +- figure for each tank.