Heinkel He 51

He 51
General information
TypeBiplane fighter-bomber
ManufacturerHeinkel
Designer
StatusRetired
Primary userLuftwaffe
Number built700
History
Introduction dateJuly 1934
First flightMay 1933
Retired1939 (Luftwaffe) 1952 (Spanish Air Force)
Developed fromHeinkel He 49

The Heinkel He 51 was a German single-seat biplane fighter aircraft. A seaplane variant and a ground-attack version were also developed. It was a development of the earlier He 49.