The German Aerospace Center (DLR) Smartfish is a two seated experimental aircraft designed by Konrad Schafroth which uses a lifting body configuration.
Unlike most aircraft, the Smartfish is modeled after the Tuna species of fish. This makes the plane fly steadily without error-prone slats, spoilers or flaps. The projected range of the aircraft is 8000 km at about Mach 0.9. There are few working model exemplars of the Smartfish.
A fuel cell-powered model has been built in collaboration with German Aerospace Center (DLR) and, according to the factory, flew in April 2007.
A proposal for a hybrid airship based on the Smartfish's geometry has also been published.[1]
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