Amphibious in this atlas's Off-Road and Amphibious Vehicles category, vehicles that can operate on both land and water, including amphibious aircraft and flying boats. Belongs here: an amphibious car or utility vehicle, a flying boat, a seaplane or an amphibious aircraft. Does not belong here: a vehicle used only on water, gathered under Marine Vehicles. It is a family within Off-Road and Amphibious Vehicles and is divided into types below it where the atlas has them, with the individual vehicles of each kind, their makes and models, beneath those.