Loening Aeronautical Engineering Corporation was founded 1917 by Grover Loening and Henry M. Crane produced early aircraft and amphibious aircraft beginning in 1917. When it merged with Keystone Aircraft Corporation in 1928, some of its engineers left to form Grumman. Loening formed a new enterprise, Grover Loening Aircraft Company, in 1929, which closed in 1933.[1]