Fuel System

Question 1

SPPR pressure is ( )

Answer 1

20-40 psi or 20-55psi for aircraft modified by SB 45-28-2

PTM 5-23

Question 2

During SPPR, the precheck should shut off within ( ).

Answer 2

20 seconds.

PTM 5-24

Question 3

True or False

Once the engines are running, the Lear 45 fuel system can operate on gravity and suction feed.

Answer 3

True

PTM 5-16

Question 4

True or False

Fuel can not gravity feed between the wing tanks.

Answer 4

False. It can gravity feed but only if the cross flow valve is open.

PTM 5-12

Question 5

The amber FUEL IMBALANCE CAS msg displays when the wing tanks have an imbalance of ( ).

Answer 5

200 pounds or more.

PTM 5-17

Question 6

To correct a right wing heavy fuel imbalance, the pilot should ( ).

Answer 6

open the cross flow valve and turn on the right standby pump.

PTM 5-12

Question 7

What must be done prior to gravity fueling?

Answer 7

Drain the vent expansion lines.

PTM 5-26

Question 8

Does the fuel used value on the EICAS page include fuel used by the APU?

Answer 8

No

PTM 6-6

Question 9

How much fuel does the Lear 45 hold in each tank and total?

Answer 9

1677 lbs. per wing
2708 lbs in the trunk
6062 lbs. total

Question 10

How many fuel vents are there and where are they/it located?

Answer 10

1 NACA duct vent located on L fuselage in front of L engine pylon.