Ht. 135

A proposed German bomber design by Heinkel, intended to be a long-range bomber capable of attacking targets deep within enemy territory. The project was cancelled due to the lack of resources.

Ht. 136

A German twin-engine bomber developed by Heinkel. It was designed to be a high-altitude bomber capable of reaching altitudes over 30,000 feet, but never entered production.

Ht. 137

A German experimental fighter aircraft designed by Heinkel. It featured a revolutionary swept-wing design, but never entered production due to technical challenges.

Ht. 138

A German single-engine fighter aircraft developed by Heinkel. It was designed to be a light and agile aircraft for air combat, but never entered production.

Ht. 139

A proposed German bomber design by Heinkel, intended to be a heavy bomber capable of carrying a massive payload. The project was cancelled due to the lack of resources.

Ht. 140

A German experimental fighter aircraft designed by Heinkel. It featured a unique tailless design, but never entered production due to technical challenges.

Ht. 141

A German single-engine fighter aircraft developed by Heinkel. It was designed to be a high-performance aircraft for air combat, but never entered production.

Ht. 142

A proposed German bomber design by Heinkel, intended to be a long-range bomber capable of attacking targets deep within enemy territory. The project was cancelled due to the lack of resources.

Hs 126

A German single-engine, three-seat biplane designed by Henschel Flugzeugwerke for reconnaissance and artillery spotting. It was widely used by the Luftwaffe during the early stages of World War II.

Hs 127

A German twin-engine bomber prototype designed by Henschel Flugzeugwerke in the 1930s. It was intended to replace the Heinkel He 111 but failed to meet performance expectations and was not produced.