6-6-35. Cargo Weight.

TM-1-1520-240-10 Army CH-47D Heilcopter (EIC:RCD) Manual
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TM 1-1520-240-10 6-6-18 6-6-35. Cargo Weight. Package weight of individual items of cargo should be legibly stenciled on an exterior surface. If not provided, the weight must be determined in order to plan cargo placement, to calculate contact pressure, and too compute helicopter weight and balance. The same rule applies to palletized cargo and vehicle loads. 6-6-36. Cargo Center of Gravity. The center of gravity (C.G.) of each item of cargo must be determined in order to compute weight and balance by the station method. As a rule, those items of cargo crated for transport will be marked with a C.G. If the C. G. is not marked, it can be determined by methods provided in TM 10-450-10. 6-6-37. Vehicle Load. The same general rules that are observed in cargo loading apply to vehicle loading. In addition, the fuel tank caps, radiator caps and battery filler caps should be checked and secured. Fuel tanks should be checked to see that they are not filled above three-quarters capacity. Air trapped in a fuel tank will expand at altitude and force fuel out through the filler neck, creating a fire hazard. If fuel tanks are filled to capacity, some fuel must be drained off before the vehicle is loaded. Also, check tire pressures and if necessary, deflate tires to prescribed limits. 6-6-38. Hazardous Cargo. Items of cargo possessing dangerous physical proper- ties, such as explosives, acids, flammables. etc., must be handled with extreme caution and in accordance with established regulations and TM 38-250. 6-6-39. General Instructions for Loading, Securing, and Unloading Cargo. There are three prime factors to be considered in proper- ly loading the helicopter. These factors are weight, bal- ance, and restraint. The weight of the cargo to be loaded must remain within safe operating limits, and the cargo must be restrained from shifting during takeoff, flight, and landing. Refer to TM 10-450-10 to determine or compute loading, shoring and restraint criteria. 6-6-40. Weight and Balance. Refer to TM 55-1500-342-23 and figure 6-7-1 to compute helicopter GW/CG and complete Form F. 6-6-41. Restraint. Items of cargo within the helicopter are subject to the same forces which affect the helicopter in flight. These forces will cause the cargo to shift unless the cargo is restrained. To maintain helicopter balance and prevent injury to personnel, cargo must be restrained from shift- ing.

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