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Aviation > Sovereign Fuel System > Flashcards

Sovereign Fuel System Flashcards

1
Q

What normally provides fuel to the engines?

A

Primary Ejector Pumps

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2
Q

What is the back up for the Primary Ejector pumps?

A

Electric Boost pumps

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3
Q

How is fuel delivered to the Feed Hopper?

A

Gravity and 3 Transfer Ejector pumps on each side

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4
Q

What is the total Fuel Capacity?

A

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

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

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5
Q

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

A

In the Hopper Tank

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6
Q

How many sump drain are there?

A

3 per wing

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7
Q

How do you fuel only one wing?

A

Pull the Pre-Check on the wing NOT being serviced

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8
Q

How do you De-Fuel one wing only?

A

Pull the respective Pre-Check lever

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9
Q

When do the Electric Boost Pumps come ON?

A 
When selected ON or 
Automatically in the NORM position:
1. Engine Start
2. X-FEED
3. Low Fuel Pressure
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10
Q

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

A

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

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11
Q

What happens during a low fuel pressure event?

A
  1. Electric Fuel Boost Pump comes ON automatically
  2. FUEL PRESSURE LOW message extinguishes
  3. Amber FUEL BOOST PUMP L/R message appears
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12
Q

What type of valve is the X-FEED valve?

A

Motor valve

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13
Q

Can you X-FEED on EMER power?

A

No

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14
Q

What type valves are Firewall Shutoff valves?

A

Motor valves (fails in last position)

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15
Q

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

A
  1. No electric power
  2. Engine Start (on respective engine)
  3. X-FEED (on receiving engine)
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16
Q

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

A

540 pounds remaining +/- 60

17
Q

What happens when you select X-FEED?

A
  1. X-FEED valve OPENS
  2. Supplying Electric Boost Pump activates
  3. Receiving engine Motive Flow valve closes after 3 second delay
18
Q

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

A
  1. Cyan FUEL X-FEED

2. Cyan FUEL BOOST PUMP L/R

19
Q

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

A 
No
Main DC power is required during:
1. Start
2. Low Fuel Pressure 
3. X-FEED
20
Q

When are the Pre-Check levers normally used?

A
  1. When checking the SPR automatic shutoff valves

2. De-Fueling

21
Q

What is the NACA duct under the wing for?

A
  1. Fuel Vent

2. Overflow fuel drain

22
Q

What is the Filter next to the NACA duct?

A

Positive/Negative pressure valve during SPR and De-Fueling

23
Q

What powers the Fuel Quantity Signal Conditioner?

A

Main D.C.

24
Q

What powers the LOW FUEL LEVEL float System?

A

EMER BUS

25
Q

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

A

Float switch

26
Q

What technique is used to preflight the X-FEED?

A

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

27
Q

What is normally planned Taxi Fuel?

A

200 pounds

28
Q

How much fuel is planned for a 45 minute RESERVE?

A

1,500 pounds

29
Q

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

A
  1. Manual activation

2. LOW FUEL PRESSURE

30
Q

What triggers FUEL LEVEL LOW L-R CAS message?

A

MAU’s

31
Q

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

A

Electric Boost Pumps ON

32
Q

What constitutes a good Pre-Check test?

A

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

33
Q

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

A

No

STBY power LOW FUEL annunciator will illuminate at 540 pounds +/- 60

34
Q

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

A

An impending or actual Filter Bypass

Aviation (9 decks)

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