The Grumman G-21 Goose was introduced in the 1930s as an amphibious transport aircraft. Designed for corporate and utility roles, it combined land and water capability. The aircraft saw both civil and military service.
The Republic RC-3 Seabee was introduced in the late 1940s as a civilian amphibious aircraft. Designed for recreational use, it combined land and water capability. The aircraft gained popularity among private owners.
