Sovereign Fuel System

Question 1

What normally provides fuel to the engines?

Answer 1

Primary Ejector Pumps

Question 2

What is the back up for the Primary Ejector pumps?

Answer 2

Electric Boost pumps

Question 3

How is fuel delivered to the Feed Hopper?

Answer 3

Gravity and 3 Transfer Ejector pumps on each side

Question 4

What is the total Fuel Capacity?

Answer 4

SPR - 1,600 gallons (10,800 pounds)

Over Wing - 1,660 gallons (11,120 pounds)

Question 5

Where is the Electric Boost Pump and Primary Ejector Pump located?

Answer 5

In the Hopper Tank

Question 6

How many sump drain are there?

Answer 6

3 per wing

Question 7

How do you fuel only one wing?

Answer 7

Pull the Pre-Check on the wing NOT being serviced

Question 8

How do you De-Fuel one wing only?

Answer 8

Pull the respective Pre-Check lever

Question 9

When do the Electric Boost Pumps come ON?

Answer 9

When selected ON or 
Automatically in the NORM position:
1. Engine Start
2. X-FEED
3. Low Fuel Pressure

Question 10

What other time will the right Electric Boost Pump be scheduled ON automatically?

Answer 10

When the APU is started and operating with the right Engine shut down

Question 11

What happens during a low fuel pressure event?

Answer 11

1. Electric Fuel Boost Pump comes ON automatically
2. FUEL PRESSURE LOW message extinguishes
3. Amber FUEL BOOST PUMP L/R message appears

Question 12

What type of valve is the X-FEED valve?

Answer 12

Motor valve

Question 13

Can you X-FEED on EMER power?

Answer 13

No

Question 14

What type valves are Firewall Shutoff valves?

Answer 14

Motor valves (fails in last position)

Question 15

Motive flow valves are NC valves, but are usually OPEN, when do they close?

Answer 15

1. No electric power
2. Engine Start (on respective engine)
3. X-FEED (on receiving engine)

Question 16

When will you get an amber LOW FUEL L/R message?

Answer 16

540 pounds remaining +/- 60

Question 17

What happens when you select X-FEED?

Answer 17

1. X-FEED valve OPENS
2. Supplying Electric Boost Pump activates
3. Receiving engine Motive Flow valve closes after 3 second delay

Question 18

What CAS message(s) appear during X-FEED?

Answer 18

1. Cyan FUEL X-FEED

2. Cyan FUEL BOOST PUMP L/R

Question 19

Do you need Main DC Bus power to supply fuel to the engines?

Answer 19

No
Main DC power is required during:
1. Start
2. Low Fuel Pressure 
3. X-FEED

Question 20

When are the Pre-Check levers normally used?

Answer 20

1. When checking the SPR automatic shutoff valves

2. De-Fueling

Question 21

What is the NACA duct under the wing for?

Answer 21

1. Fuel Vent

2. Overflow fuel drain

Question 22

What is the Filter next to the NACA duct?

Answer 22

Positive/Negative pressure valve during SPR and De-Fueling

Question 23

What powers the Fuel Quantity Signal Conditioner?

Answer 23

Main D.C.

Question 24

What powers the LOW FUEL LEVEL float System?

Answer 24

EMER BUS

Question 25

What triggers the FUEL LOW STBY annunciator and the CAS message?

Answer 25

Float switch

Question 26

What technique is used to preflight the X-FEED?

Answer 26

Turn it to the Left first, so if you were to grab the PASS O2 switch by mistake you won't deploy the Oxygen Mask

Question 27

What is normally planned Taxi Fuel?

Answer 27

200 pounds

Question 28

How much fuel is planned for a 45 minute RESERVE?

Answer 28

1,500 pounds

Question 29

When does the ON light in the FUEL PUMP Button illuminate?

Answer 29

1. Manual activation | 2. LOW FUEL PRESSURE

Question 30

What triggers FUEL LEVEL LOW L-R CAS message?

Answer 30

MAU's

Question 31

What's required when approaching 600 pounds of fuel on either side?

Answer 31

Electric Boost Pumps ON

Question 32

What constitutes a good Pre-Check test?

Answer 32

Fuel Totalizer on fuel truck shows 0 to 6 GPM fuel flow within 30 seconds

Question 33

Do you know how much fuel you have on EMER power?

Answer 33

No | STBY power LOW FUEL annunciator will illuminate at 540 pounds +/- 60

Question 34

What does the amber FUEL FILTER BYPASS L/R message indicate?

Answer 34

An impending or actual Filter Bypass