FM 55-450-2 PDF

Army Helicopter Internal Load Operations (FM ) [Department of the Army ] on *FREE* shipping on qualifying offers. Field Manual provide extensive information about FM ( ). FM PREFACE. This manual will assist personnel who perform helicopter internal load missions. It will familiarize them with.

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Army Helicopter Internal Load Operations (FM 55-450-2)

Straps or chains may be used as required. CAUTION Forklift operators must ensure cargo load is properly secured to the pallet using nets, straps, or chains before moving the pallet.

Shoring Requirements 1 To determine the need for shoring cm load spreaders for a given load, consider only the area of contact with the floor. The fuselage design gives the helicopter a water-landing capability. In practice, however, it is not feasible to attach tie-down devices purely in the direction in which restraint is required because of the location of the tie-down provisions on the cargo.

Universal Military Pod Attached to Helicopter.

The selection of a usable PZ or LZ is extremely important. The load binder is a locking device used to tighten and secure straps. The remaining treadway area will withstand a wheel load of 1, pounds. Make sure that the spool on the ratchet is completely unwound.

Army Helicopter Internal Load Operations (FM ) : Department of the Army :

This paragraph covers a possible vehicle load that is air transportable in the aircraft. There are three models of the UH This will aid in the movement of the pallets and will protect the lower surface from damage. Personnel selected to load, tie down, and unload vehicles and other cargo to be transported by air must be qualified and trained to drive vehicles, tie down cargo at the direction of the aircraft crew chief or flight engineerposition shoring, and act as guides.


The AHD has the same safety items to look for as the utility helicopters, such as tail rotor, skids, and wire strike kit. Mark hidden obstructions or warn the supporting aviation unit of their presence.

CAUTION The 10,pound capacity tie-down fittings must be screwed into the threaded receptacles to full depth to achieve their rated capacity. Any restrictions that apply to helicopters in general also apply here, whether for internal load operations or for a routine training flight.

At the time of assembly and before loading, the loading crew compiles data covering weight, dimensions, center of gravity CG location, and contact areas for each item.

Two people should do this to 554-50-2 that the net stays even. Include shoring weight with the cargo weight to accurately determine cargo CG.

Determine the amount of forward and lateral restraint. The device weighs about 3. Prior planning, along with coordinating plans with the aviation liaison officer, is essential for a smooth, safe operation.

The spacers are used to keep the pallets aligned and properly spaced so 5-450-2 they will lock into the aircraft’s rail systems.


FM Army Helicopter Internal Load Operations – Table of Contents

Refer to Rule 4, paragraph The netting material will mildew and deteriorate. The table shows that at least four tie-down devices attached to 5,pound tie-down fittings are required. It may be towed up to 5 miles per hour on level ground 55-4502- a maximum gross weight of 20, pounds. The Army uses two models. They do, however, concentrate more restraint in the forward direction than a tie-down device applied at a de- gree vertical and degree side tie-down angle.

The tie-down angle is very important because it determines the amount of restraint that can be obtained in any direction. If tie-down fittings are not located to allow longer barrier net straps toward the front of the load for forward restraint, attach to the next available tie-down fitting aft.

Load these items inside the helicopter and secure as directed by a crew member. In this case, the area of contact has Tbeen more than doubled-an increase of percent.

Cargo with Tie-Down Provisions. Do not tighten these straps until the side nets are hooked to the top net. Place the top net over the cargo making sure that vm is centered.