Part 1 - Chapter 2 - Fuel System Flashcards

1
Q

Fuel capacity by component (lbs)

A

Main tanks: 2 x 728 lbs
Tip tanks: 2 x 384
Other: 28 lbs
Total: 2,252 lbs

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2
Q

Booster pump (location, operation, warning)

A

Collector tank, DC driven with microswitch on LP cock, low fuel pressure warning if below 5 psi

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3
Q

Tank pressurisation

A

c. 2psi

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4
Q

Fuel recuperator (capacity and filling)

A

Filled by booster pump, 25 seconds at 100% rpm

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5
Q

Tank air pressure normal operation

A

1.5 - 2.5 psi

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6
Q

Fuel float switch test

A

Time it takes for green light to come on depends on fuel in collector tank, if no green light = valve inop, green light should go off after 2 secs, if stays on > 3secs = issue with fuel supply

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7
Q

Low fuel pressure warning

A

If pressure at HP cock in,et is < 3psi

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8
Q

Min landing fuel

A

400 lbs total, min 150 lbs on any side

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9
Q

Booster pump failure

A
  • Check / reset booster pump circuit breaker
  • If breaker not popped consider taking out to avoid overheating partially failed pump
  • Stay below 12,000 ft
  • Land asap
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