The RR4 rescue sled is a versatile craft designed for use in rivers, lakes and flooded urban and coastal areas. Its lightweight, portable design allows for it to be carried into remote bodies of water, for example in mountains.
With an extended platform on the stern, the sled can help provide efficient casualty recovery. Stability is aided by the sponsons and 15 centimetre-thick double walled floor. The sponsons are finished with rubbing strakes and have a diameter of 23 centimetres each.
Multiple grab handles of different sizes are present all around the sled, and the craft is also fitted with 19 D-rings.