Hydraulic Systems

Question 1

What type of hydraulic fluid is used on the P-8A?

Answer 1

Skydrol

Question 2

Who must be present for hydraulic systems to be operated?

Answer 2

1. Operator
2. Safety observer

Question 3

What are these individuals looking for before hydraulic systems can be powered on/operated?

Answer 3

Operator: Flap position/Weapons bay door switches are in agreement with their current positions and good hydraulic pressure
Safety observer: Flight surfaces and equipment are clear of ground personnel/obstructions

Question 4

What are the three hydraulic system?

Answer 4

1. A
2. B
3. Standby

Question 5

Which hydraulic system charges the brake accumulator?

Answer 5

B

Question 6

Where is the brake accumulator located?

Answer 6

Starboard aft bulkhead of the main landing gear wheel well

Question 7

What systems are operated by hydraulic power?

Answer 7

1. Flight controls
2. Autopilot
3. Nose wheel steering
4. Brakes
5. Landing gear extension and retraction
6. Weapons bay doors
7. Thrust reversers
8. Power transfer unit

Question 8

What are the hydraulic limits on the flight station CDU?

Answer 8

76-101%

Question 9

What are the hydraulic limits on the flight station CDU for AAS configured aircraft?

Answer 9

90-96%

Question 10

What are the servicing limits for the hydraulic systems?

Answer 10

Must be over 76%

Question 11

Can you drop flaps with 1,000 pounds of fuel in each main tank? Why/Why not?

Answer 11

No, the minimum amount of fuel required in each main tank is 1,675 pounds to properly cool the hydraulic systems

Question 12

How do you properly open the weapons bay doors?

Answer 12

Use a safety observer

Question 13

How many degrees do the flaps extend to?

Answer 13

40 degrees