Fuel Flashcards
Burns how many lbs./hr.?
1000 lbs./hr.
How many fuel tanks and what are they?
5 total fuel tanks
Left Main
Right Main
Left Outboard AUX Tank
Left Inboard AUX Tank
Right Inboard AUX Tank
Fuel Tank capacites
Mains: 590 gallons
LO: 120/113 gallons
LI: 120/113 gallons
RI: 80/75 gallons
Fuel fill sequence
Mains-LO-LI-RI
Fuel transfer sequence
RI-LI-LO
Function of Prime/Boost Pump
Provide APU boost pressure
Prime ALL lines if prime is lost
Max total fuel capacity in gallons
Mains: 590
LO: 120
LI: 120
RI: 80
Total: 910 gallons
“ALL STORES SONO” will do what?
Jettison all aux tanks with less than 1/3 tank fuel capacity left
Fuel Management Control Panel does what?
Controls auto fill, auto transfers, and fuel dump
Transfer rate
250-300 lbs. per MINUTE
During a fuel transfer if a split exists, secure transfer before _____ main fuel cell reaches 1700 lbs
Right
DO NOT initiate an unmonitored manual fuel transfer from AUX tanks until mains are below _____ lbs.
3200 lbs.
FMCP should be set to ____ after transfer.
“STOP FLOW”
AUTO fuel transfer is initiated by FMCP when main tanks drop below ____% (about _____ lbs.)
68% (2600 lbs.)
Transfer pumps are dual element pumps. After ___ mins of no fuel flow through pump, it will switch elements. After another ____ seconds of no fuel flow, the FMCP will select another transfer/dump pump.
5 minutes
40 seconds
If a transfer pump fails to operate, the valve will be latched ____. You will also see what EICAS message?
OFF
“PUMP/VALVE FAIL”
In this mode, all valves and pumps function.
MANUAL OVERRIDE
During fueling, AUX tanks begin to fill when each preceding tank reaches ____%.
85%
During power off fueling, what is the fill sequence?
All tanks fill evenly at the same time (all valves are open, FMCP is not controlling fuel sequence)
When fueling, stop if ___ psi is present on refuel gauge
2 psi
Fuel dump rate
800 lbs./MINUTE
What inhibits fuel dump on deck?
WOW switch
What valves operate during a fuel dump?
Main dump S/O valve
OVBD dump S/O valve
Fuel dump secures with how much fuel left in main tanks?
LH Main: 270 lbs
RH Main: 210 lbs
Fuel Jettison is controlled by what component (ALL STORES SONO, Individual AUX Tank drop)?
Weapons Management System
Breakaway valves are installed in lines coming from what tanks?
AUX tanks
