Figure 6-6-2. Maximum Package Size (Sheet 2 of 3)

Figure 6-6-2. Maximum Package Size (Sheet 1 of 3)

TM-1-1520-240-10 Army CH-47D Heilcopter (EIC:RCD) Manual
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TM 1-1520-240-10 6-6-5 on the floor formers. The floor limits are the same as the concentrated load limits in the treadway and center section of the floor, that is 2,500 pounds and 1,000 pounds. 6-6-13. Compartment Identification. The cargo compartment is divided, for weight and bal- ance purposes, into three compartments designated C,D, and E, running fore and aft. (fig. 6-6-1). When the cargo ramp is used as an extension of the cargo compart- ment, it is designated as F for weight and balance purpo- ses. These compartment designations and their limiting fuselage stations are stenciled on the cargo compart- ment walls. Figure 6-6-2. Maximum Package Size (Sheet 2 of 3) 6-6-14. Compartment Capacities. Based on a maximum distributed floor loading of 300 psf, the compartment capacities can be obtained by multiply- ing the floor loading by the floor area of the individual compartment; however, this weight may exceed present limitations. Figure 6-6-4 lists the maximum capacity of each compartment. In addition to the limitations in figure 6-6-4, compartment loads will be limited by those limita- tions set forth in Chapter 5. 6-6-15. Tiedown Fittings. Tiedown fittings (fig. 6-6-3) for securing cargo are installed on the cargo compartment floor and on the ramp floor. All the fittings are D-ring types. There are 87 5,000-pound-capacity tiedown rings (83 in the fuselage floor and 4 in the ramp floor) and eight 10,000-pound-ca- pacity tiedown fittings. The fittings are normally used with tiedown devices which will not exceed the limits of the fitting. 6-6-16. Five Thousand-Pound Capacity Tiedown Fit- tings. The 83 5,000-pound-capacity tiedown fittings in the car- go compartment floor are equally spaced in five rows spaced 20 inches apart longitudinally. The four in the ramp are in a rectangular pattern. Each 5,000-pound-ca- pacity fitting swivels freely and is capable of resisting a single maximum load of 5,000 pounds exerted along any radius of a hemisphere, the flat side of which is the sur-

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