When the Whirlwind engine became unavailable no further aircraft were produced and a smaller variant was designed with a locally produced
M-11 radial engine and designated the
AIR-6.[2]
Specifications
Data from The History of Soviet Aircraft from 1918[3]
^
abcdGordon, Komissarov and Komissarov 2005, p. 23.
Bibliography
Gordon, Yefim; Komissarov, Dmitry; Komissarov, Sergey (2005). OKB Yakovlev: A History of the Design Bureau and its Aircraft. Hinkley, UK: Midland Publishing.
ISBN1-85780-203-9.
Nemecek, Vaclav (1986). The History of Soviet Aircraft from 1918. London: Willow Books.
ISBN0-00-218033-2.