Bristol Blenheim: Mk I, Mk IF, Finnish variant, "Pelti-Heikki", Mk IV, Mk IV/IVF

The Bristol Blenheim was one of the most popular British aircraft at the beginning of World War II. It was a very versatile and modifiable machine, and therefore typical bomber, reconnaissance, and fighter (including night) versions were created.

The first mass—produced version was the Mk I, which featured a richly glazed nose part of the fuselage. The most common version in the air force of several countries was the Mk IV, in which the glass nose of the aircraft was extended so that the bom...