Inflatable craft without a keel, for rescue over water and ice, has two inflatable and parallel tubular bodies with a firm base between them to support an air propeller propulsion unit at the stern

摘要

The powered craft, without a keel, has two spaced inflatable and parallel tubular bodies (1,2) with a rigid base (6) fitted between them, to carry an air propeller propulsion unit (25) at the stern together with a steering mechanism (27). The air propeller motor controls (32) are mounted to the base.