Three-seat version with an enlarged forward fuselage section; three built.
Four-seat version with an enlarged forward fuselage section; 11 built.
The new fuselage section is constructed as a single large component, including the vertical stabilizer.
The aircraft is designed with a forward swept wing and an extremely thin fuselage section.
Like the An-12, the aircraft has a circular fuselage section.
The main exception is the central fuselage section, which has a riveted tube frame.
An observation position was fitted above the central fuselage section.
There were four or five divided fuselage sections, the latter holding the maximum of 40 passengers.
Each fuselage section has a 450cc gasoline engine, which drives an electric generator.
Directly ahead of them, she saw mechanics installing cargo doors in the fuselage sections.
