Cargo Handling Systems

Question 1

Rubber vibration isolators provide:

Answer 1

• Reduce overall internal load vibrations

- over-tightening of loads will reduce effectiveness of vibration isolators

Question 2

D-ring fittings on cabin floor:

Answer 2

• 87 5,000 pound fittings

- 8 10,000 pound fittings

Question 3

Cabin sections A-F

Answer 3

A- cockpit
B- companionway/ troop CDR seat
C,D,E- cabin area
F- ramp

Question 4

Three prime factors for loading the helicopter:

Answer 4

-Weight, balance, restraint

Question 5

Cargo ramp/cargo door:

-Return control module (transfer cylinder)

Answer 5

-Holds additional fluid for ramp actuators as ramp is moved up/down

Question 6

Cargo ramp/cargo door:

-Actuating cylinder:

Answer 6

• Located on each side of ramp
• Hydraulically operated to raise and lower the ramp
• Ramp lowers by gravity, actuating cylinders serve as dampers
• Contains internal locks- only method of locking ramp in place

Question 7

Cargo ramp/cargo door:

-Cargo door actuator motor:

Answer 7

• Located inside the ramp
• Reversible motor controlled by sequence valve
• Used to extend or retract the cargo door as ramp opens or closes

Question 8

Cargo ramp/cargo door:

-Emergency utility pressure valve:

Answer 8

• APU start accumulator pressure for ramp operation
  
  • Ramp switch in cockpit- on
  • Valve- open
  • Operate ramp- ramp control lever

Question 9

Winch/rescue hoist
-Selector lever: rescue or cargo

-Rescue:

Answer 9

• 0-100 FPM
• limit switch: 28.5 ft IN, 150 ft OUT
• Structural limit: 600 lbs.

Question 10

Winch/rescue hoist:

Selector lever- Cargo

Answer 10

• 0-20 FPM
• Limit switch: 3 ft IN, 150 ft OUT
• Structural limit: 3000 lbs straight line pull

Question 11

What flooring stations have rubber vibration isolators?

Answer 11

Flooring from STA 200 - STA 400, Buttline 44L to 44R.