BE30 - Fuel & Fire extinguisher systems Flashcards
Mains qty
each & tot
each 1273
tot 2546
Aux qty
each & tot
each 533
tot 1065
Total usable fuel
3611
Yellow arc
qty & limit
265
No take-off
[L/R FUEL QTY] amber
300 lbs / 45 g
30 min at MCP
Max imbalance
300
Approved grades
- Regular (3)
- Military (3)
Regular = Jet A , Jet A-1, Jet B
Military = JP4, JP5, JP8
Commercial grades
Limitations (3)
- Max 150hr between engine overhauls
- Both standby pumps must be operative
- Crossfeed must be operative for flights ≥ FL200
Fuel freezing point
JetA / JetA-1
-40
-50
[FUEL PRESS LO]
Cause + Limit
9-11psi decreasing pressure
Limited to (10) hours before overhaul /or/ replacement of engine-driven fuel pump
Crossfeed - When can it be used?
Restricted to single engine ops
How many STDBY pumps are required for takeoff?
(1) when using approved engine fuels
* But crossfeed capability will not be available on the side of the inop stdby pump
(2) when using commercial grade
* Crossfeed must be operative for flights ≥ FL200
How is fuel moved from the AUX tanks to the Nacelle tank?
Motive Flow Jet pump
How is fuel moved from the WING tank to the Nacelle?
Gravity
What happens if the High Pressure engine-driven fuel pump fails?
The engine flames-out immediatly