DQ-134

Question 1

The cabin floor tie-down fittings and net restraintrings are rated at what restraint capacity?

Answer 1

There are 17 cabin floor tie-down fittings rated at 5,000 pounds each (6.15). (Four cabin ceiling tiedown rated at 4,000#)

Eight net restraint rings in the cargo compartment prevent cargo from hitting the bulkhead at station 398, or entering the crew area. The upper restraint rings are rated at a 3,500-pound capacity in any direction.

Tests have demonstrated failure of the lower restraint rings when individually loaded at limits less than 3,500 pounds. This depends on the restraint ring attachment hardware and surrounding structure condition. Multiple tie-down fittings and restraint rings should be used when securing internal cargo.

Question 2

What is the moment of three combat equipped soldiers seated in row five of the aircraft?

Answer 2

Moment of three combat equipped soldiers seated in row five:
240 # / Soldier (-10 6.11) = 720 #
Row 5 - Arm 387.2
Moment = 280 - DATA BASIS (fig. 6-3 pg 6-9)
(By regular math: WxA (/1000) = Moment of 278)

Question 3

What is the weight spreading effect of shoring?

Answer 3

Althoug shoring spreads out the weight of a load, the weight of that load is not spread over the entire surface of the shoring.
Shoring only increases the area over which a load rests at an angle of 45 degrees from the load contact area to the surface on which the shoring rests.

Question 4

What is the restraint criteria for the UH-60 and what formula is used to determine the number of restraints required to secure prepared cargo?

Answer 4

The amount of restraint that must be used to keep the cargo from moving in any direction is called the restraint criteria and is usually expressed in units of the force of gravity (Gs). Following are the units of the force of gravity (Gs) needed to restrain cargo in four directions:

Forward 12 Gs
Rear 3 Gs
Lateral 8 Gs

Vertical
3 Gs (Up)
3 Gs (Down)

Formula for calculating number of tie-down device required:

Weight of load X (multiply) Restrain Criteria
Weakest link of tie-down X % effectiveness

• Restrain Criteria - FWD, AFT, LATRERAL
• Weakest link of tie-down - found in A/C manual
• Percent (%) effectiveness - Use table (30* angle)

Question 5

Q5. Given the following cruise conditions what is the Maximum Allowable Gross Weight and Optimum IAS and explain how is it calculated?

TEMP 40 Degrees
PA 2000’
ACFT GWT 20000 LBS
ATF .96

Answer 5

Maximum Allowable Gross Weight:
22.000 # - Using cruise-chart (pg 7A-55)

Optimum IAS:
74 KIAS
Using cruise-chart (pg 7A-55) - reading IAS out of the Max Endurance airspeed, for Max GWT (22K #).

Question 6

During operations, what is the individual’s primary role in risk management?

Answer 6

The individual’s primary role in RM during operations is to support commanders and leaders by rapidly identifying and communicating hazards and risks that arise and may affect the mission.
This usually takes the form of providing immediate feedback to the leader as the operation progresses and hazards are encountered.

Ref: ATP 5-19 pg 2-3