Heinkel He 49

The Heinkel He 49 was a German single-bay, single-seat biplane of mixed construction armed with two machine guns. Four variants were made, the He 49a, He 49b, He 49c and He 49d.

Variants
Data from: 
 * HD 49: original Heinkel designation for the He 49, before allocation of the Reichsluftfahrtministerium (RLM) designations.
 * He 49L:generic designation for any of the He 49 landplane variants.
 * He 49W:generic designation for the He 49 floatplane variant.
 * He 49a:The first prototype, (originally HD 49), was flown in November 1932
 * He 49b:the second prototype followed in February 1933, with a modified fuselage to make it 400 mm longer, powered by a BMW VI 6.0 V-12 engine.
 * He 49bW:The He 49b turned into a floatplane
 * He 49c:The third prototype
 * He 49d:later prototype Heinkel He 51