Part 1 - Chapter 2 - Fuel System

Question 1

Fuel capacity by component (lbs)

Answer 1

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

Question 2

Booster pump (location, operation, warning)

Answer 2

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

Question 3

Tank pressurisation

Answer 3

c. 2psi

Question 4

Fuel recuperator (capacity and filling)

Answer 4

Filled by booster pump, 25 seconds at 100% rpm

Question 5

Tank air pressure normal operation

Answer 5

1.5 - 2.5 psi

Question 6

Fuel float switch test

Answer 6

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

Question 7

Low fuel pressure warning

Answer 7

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

Question 8

Min landing fuel

Answer 8

400 lbs total, min 150 lbs on any side

Question 9

Booster pump failure

Answer 9

• 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