Fuel Flashcards
ENG VALVE CLOSED will illuminate bright blue when
Related engine or spar valve is in transit or valve position and engine start lever or engine fire switch disagree
Fuel temperature is measured from
No1 main tank
Centre tank LOW PRESSURE light is illuminated when
Output pressure is low and the switch is ON
Continuous illumination of one LOW PRESSURE lights for 10 secs illuminates MASTER CAUTION and FUEL system lights
Fuel LOW light
Illuminated amber when
Fuel tank quantity is less than 453kg in related main tank
LOW light remains until
Fuel quantity in related tank increases to 567kg
Fuel CONFIG alert
Displayed amber when
Either engine is running
Centre tank quantity greater than 726kgs and both pumps OFF
CONFIG light remains until
Both engines are not running
Center tank fuel quantity less than 363kgs
One center fuel pump is switched ON
IMBAL alert
Main tanks differ by 453kgs
Displayed on the tank with the lower quantity
A/c on ground or in the air
IMBAL alert is inhibited when
Fuel LOW light illuminates
IMBAL is displayed until
Imbalance is reduced to 91kg
How many fuel measuring sticks
16
6 in each main wing tank
4 in the center
NGS system auto shuts down when
A/c is on the ground and not in test mode
Either engine is not running in flight
Fire or smoke in cargo or main deck areas
Left aircon pack overheat
Center tank refuelling valve open
Fuel crossfeed valve is powered by
DC motor from the battery bus
Spar fuel shutoff valves are powered by
DC motor from the hot battery bus
Engine fuel shutoff valves are powered by
Fuel actuated, solenoid controlled valves from the battery bus
