Overview
The Kalinin K-6 was a mail-plane designed by Konstantin Alekseevič Kalinin. It was an aircraft largely derived from the previous Kalinin K-5, which shared its wing, tail and landing gear. This aircraft differed from the previous one by the new fuselage design, which was slender and had a four-meter compartment for the load. The K-6 flew for the first time in 1930 but remained at the prototype stage, since mass production was never authorised.
Specifications
Figures are compiled from public sources and may be approximate; they can vary by variant and configuration.
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