Heinonen HK-1

HK-1
General information
TypeSport aircraft
National originFinland
Designer
Juhani Heinonen
StatusSole example in the Finnish Aviation Museum
Number built3
History
First flightAugust 1954

The Heinonen HK-1 Keltiäinen is a Finnish single-seat, single-engined sport aircraft of the 1950s. Three examples were built. The first was used by its designer to set a class distance record in 1957 that stood for 27 years before being beaten.

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