Heinkel He 51 - Variants

Variants

He 49a
First prototype. Short fuselage.
He 49b
Second prototype, with stretched fuselage. Tested as both landplane and floatplane.
He 49c
Third prototype, with revised, glycol-cooled engine installation.
He 51a
Fourth prototype. New vertical tail, revised wings and undercarriage, new radiator.
He 51A-0
Pre-production aircraft. Nine built.
He 51A-1
Initial production version, 150 built.
He 51B-0
Structurally strengthened. Pre-production aircraft, 12 built.
He 51B-1
Production version of B-0. 12 built.
He 51B-2
Single-seat floatplane fighter, reconnaissance version; 46 built.
He 51B-3
High-altitude version.
He 51C-1
Light ground-attack version. 79 sent to Spain to equip the Legion Condor and Nationalist air force.
He 51C-2
Improved version of C-1, with revised radio equipment. 21 built.

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