FCOM: 29 - Hydraulic

Question 1

What is the difference between a pump fail and a loss of fluid on the green system?

Question 2

If the blue hydraulic pump overheats, will this affect the RAT?

Question 3

When will the RAT deploy?

Question 4

Can the RAT power the blue hydraulic system if the fluid is lost?

Question 5

When does the PTU begin to operate?

Question 6

What are the main considerations for a G+B hydraulic failure?

Question 7

What are the main considerations for a G+Y hydraulic failure?

Question 8

What are the main considerations for a B+Y hydraulic failure?

Question 9

Name the sources of power for each of the hydraulic systems.

Question 10

What services do each of the hydraulic each systems deliver?

Question 11

In flight, why does the green hydraulic reservoir quantity show lower than the blue and yellow systems?

Question 12

How are the hydraulic reservoirs pressurised and why?

Question 13

What is the purpose of the hydraulic priority valves?

Question 14

What is the purpose of the hydraulic accumulators?

Question 15

Explain the purpose of the PTU.

Question 16

What is the typical system pressure of the three hydraulic systems?

Question 17

What pressure would you expect to see when the RAT is powering the blue system?

Question 18

At what PSI does the system pressure indicate amber?

Question 19

Of the dual hydraulic failures, which in your opinion is worst and why?

Question 20

Which of the dual hydraulic failures maintains the aircraft in normal law?

Question 21

Why is the gear gravity extension used on the blue and yellow Dual hydraulic failure?

Question 22

What is the purpose of extending the landing gear at 200kt with the green and blue system failure?

Question 23

Why in the green and yellow failure is Flaps 3 selected before the gear is selected down?

Question 24

Which hydraulic systems power the ailerons?