Konstantin Alekseevich Kalinin
Born	(1887-01-24)24 January 1887 Warsaw
Died	24 October 1938(1938-10-24) (aged 51) Voronezh
Education	Igor Sikorsky Kyiv Polytechnic Institute (Ukraine)
Known for	Aircraft industry

Konstantin Alekseevich Kalinin (Russian:Калинин Константин Алексеевич; born 17 December (29) 1889 inWarsaw,Russian Empire; died 1938 or 21 April 1940 inVoronezh) was aWorld War I aviator and Soviet aircraft designer.

He was born to a Russian family in Warsaw,Russian Empire. Kalinin graduated from theOdessa Military School in 1912, theGatchina Military Aviation School in 1916 and theKyiv Polytechnic Institute in 1925. After theTreaty of Brest-Litovsk, he became a pilot and commanding officer underUkrainian Directory Government. He was a member of theAll-Union Communist Party (bolsheviks) since 1927. In 1926, he organized and headed an aviation design bureau inKharkiv.^[1] He designed theKalinin K-4,Kalinin K-5,Kalinin K-7 andKalinin K-12 aircraft.

Kalinin was arrested on 1 April 1938 in Voronezh during theGreat Purge. While in prison, he designed the K-15 delta-wing rocket fighter. Seven months after his arrest on 22 October, at a closed court hearing of theMilitary Collegium of the Supreme Court of the Soviet Union, which lasted 10 minutes without defense or witnesses, Kalinin was accused of anti-Soviet activities and espionage and sentenced to death.

The same day (according to some sources the next day, 23 October), Kalinin was executed in the basement of the NKVD prison in Voronezh.^[2] According to Soviet records, he died in 1940.

Kalinin was rehabilitated on 10 August 1955.

Kalinin was one of the founders and first teachers of theKharkiv Aviation Institute. He was awarded theOrder of the Red Banner of Labour.^[1]

• K-1, three-passenger airliner (1924)
• K-2, four-passenger airliner developed from the K-1 (1925)
• K-3, air ambulance version of K-2 (1927)
• K-4, multipurpose transport (1928)
• K-5, eight-passenger airliner (1929). Was the backbone of Aeroflot's fleet in the 1930s.
• K-6, prototype mailplane derivative of the K-5 (1930). Only one built.
• K-7, experimental large seven-engine bomber/airliner (1933). Only one built.
• K-9, liaison/sport aircraft (1930). Only one built.
• K-10, trainer/liaison/agricultural aircraft (1932). Only one built.
• K-11, twin-engine, twin-boom transport project (1933)
• K-12/BS-2, prototype twin-engine tailless bomber (1936). Also known asZhar-Ptitsa (Firebird).
• K-13, long-range, twin-engine bomber (1933). Cancelled as it was inferior to theIlyushin DB-3.
• K-14, airliner version of the K-13 (1934)
• K-15, delta-wing rocket (or jet) bomber design (early 1930s)
• K-16, high-altitude reconnaissance aircraft
• K-17, four-engine, long-range tailless bomber

• 1889 births
• 1938 deaths
• 1940 deaths
• Kalinin aircraft
• Russian aerospace engineers
• Ukrainian aerospace engineers

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