SECTION IV OPERATING INSTRUCTIONS

Figure 2-22. Installation of Ramp Support Assembly

Table 2-5. 463L Pallet Configurations - TM-55-1680-358-12P_43

TM-55-1680-358-12P Survival Kit Overwater Individual (NSN 1680-00-973-1863) Manual
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TM 55-1680-358-12&P SECTION IV OPERATING INSTRUCTIONS 2-11. Cargo Handling. The Helicopter Internal Cargo Handling System can be used for a variety of cargo. a. Cargo Range. Cargo that can be handled by the Helicopter Internal Cargo Handling System is listed in Table 2-4. A mixture of pallets, personnel and/or vehicles may be combined. However, all cargo must be properly restrained to ensure safe operation of the helicopter and the safety of personnel. Loads must be restrained in accordance with procedures and guidelines set out in TM55-450-15, Air Movement of Troops and Equipment (Nontactical) HQ DA June 1971 and TM55- 450-18, Internal and External Loads, CH47 Helicopter, HQ DA August 1970. b. Load. Total load must always be within the normal weight and center-of-gravity limits as specified in the operational technical orders. 2-12. System Configurations. The Helicopter Internal Cargo Handling System can be placed in any one of four configurations. These are loading, restraint, flight and unloading. Refer to Tables 2-5, 2-6 and 2-7 for the configurations applicable to 463L Pallets, Warehouse Pallets and Wheeled Vehicles. To accomplish the configurations described above and in the referenced tables, several components must be set in a predetermined position. These components are listed below in conjunction with the illustration that defines the component location and/or position. (1) Outboard Rail/Roller Assemblies, Stations 158.500 to 274.000, 272.531 to 374.000, and 373.469 to 487.000 - Figure 2-23. (2) Inboard Center Rail Guide - Figure 2-24. (3) Ramp Support Assembly - Figure 2-25. (4) Pallet Lock Assembly - Figure 2-26. (5) Retractable Flange Assembly - Figure 2-26. (6) 10k Fitting Assembly - Figure 2-27. (7) 5k Tiedown Fitting Assembly - Figure 2-28. Table 2-4. Applicable Cargo Type of Cargo Quantity HCU-6/E (88 x 108 inches) 3 HCU-12/E or HCU-10/C (54 x 88 inches) 6 Warehouse wooden pallets (40 x 48 inches) 8-10*** Wheeled vehicles * Miscellaneous (TOW, Hellfire, etc.) equipment * (pallet or skid mounted) Personnel ** * Quantity dependent on size and helicopter capacity. ** System does not provide for personnel transport but it is compatible with personnel. *** Quantity dependent on pallet weight. NOTE A suitable mix of the above cargo can be handled as required. 2-35

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