a life boat adapted to be thrown out into a body of water from a mother boat for automatically forming a lifesaving air boat as a result of being thrown onto the water . the lifeboat structure includes a source of compressed air in the form of an air bomb which is released when a retaining pin for a control valve supplied for the air bomb is pulled out . the release of the compressed air inflates air tubes constructed and defined to form a floating body or lifeboat . the lifeboat may include air tubes to form an enclosure on the floating body for eliminating the danger of an individual being washed away by rough waters . the resulting floating body or lifeboat is further defined to be propelled through the water by a manually operated mechanism or wind powered mechanism . the floating structure will readily restore to a normal position even when capsized .