Deplaning Rope Assembly – Troop Deployment

An essential element of tactical helicopter operations is the ability to rapidly deploy troops. However, it is not always possible or desirable for assault helicopters to land in order to deploy personnel. The IrvinGQ Deplaning Rope Assemblies Mk 2 and Mk 3 enable fully equipped troops to rapidly deplane from hovering helicopters using a 45 mm diameter rope attached to an anchorage point on the aircraft.

The Deplaning Rope Assembly comprises a black or olive drab, bonded nylon rope woven into an 8-plait construction with a diameter of approximately 45 mm. Once attached to the helicopter anchorage point, the rope is dropped and allowed to hang free and the troops climb down. The rope has a safe working load of 584 kg (1,287 lb).

The free end of the rope is whipped to prevent fraying, and the other end is secured into a cylindrical casing by a bolted cross-pin. The end of the casing is closed by an end cap. In the centre of the end cap is an eyebolt which carries the attachment fitting.

 

The Deplaning Rope Assembly Mk 2 is attached directly to the helicopter anchorage point by an integral ring and sprung double action snaphook.

The Deplaning Rope Assembly Mk 3 is attached to the helicopter anchorage point via IrvinGQ Quick Release Mechanism (QRM). The QRM provides a means of rapid detachment of the deplaning rope from the helicopter, even under tension, in the event of an emergency. It has been designed to ensure simple but safe operation and has a minimal number of moving parts for reliability and ease of maintenance. The QRM is available with a 15 mm (0.6 in) or 17.75 mm (0.7 in) wide attachment hole.

The Helicopter Deplaning Rope Assemblies can be supplied with rope lengths and attachment fittings to suit specific helicopter types, operating procedures or special customer requirements. See technical data below.

 

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