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The Kalinin K-4 was an airliner built in the Soviet Union in the late 1920s which was also adapted for use as a photographic survey aircraft and as an air ambulance. A further development of the K-1 it was a conventional high-wing strut-braced monoplane with separate enclosed cabin and cockpit. Kalinin undertook the design to offer a locally-produced alternative to pioneering Ukrainian airline Ukrvozduhput which was at that time flying Dornier designs.

Die Kalinin K-4 war ein einmotoriges sowjetisches Mehrzweckflugzeug. Es war eine Weiterentwicklung des Flugzeuges K-3. Mit der Entwicklung und dem Bau begannen in Charkow K. A. Kalinin und seine Mitarbeiter im Jahre 1928.1

Made by Kharkov Aviation Factory.

Il Kalinin K-4 era un monoplano ad ala alta progettato da Konstantin Alekseevič Kalinin a partire dal Kalinin K-1. Venne costruito in tre versioni complessive.2
Empty Weight Lb
3390
Wing Area Sqm
40
Designer
Konstantin Alekseevich Kalinin
Eng 1 Type
BMW IV
Max Speed Mph
108
Range Km
1040
Ceiling Ft
14800
Eng 1 Kw
180
Span In
11
Gross Weight Lb
5170
Capacity
Four passengers or 410 kg cargo
Crew
Two pilots
Climb Rate Ftmin
470
Empty Weight Kg
1540
Gross Weight Kg
2350
Height In
1
Primary user
Ukrvozduhput
Climb Rate Ms
2
Manufacturer
Kharkov Aviation Factory
Range Miles
650
First Flight
June
Max Speed Kmh
173
Height Ft
9
Span Ft
54
National Origin
Soviet Union
Wing Area Sqft
430
Met Or Eng
met
Span M
17
Length Ft
37
Height M
3
Ceiling M
4500
Eng 1 Hp
240
Eng 1 Number
1
Length In
3
Length M
11
Category
Kalinin aircraft
Soviet and Russian airliners 1920-1929

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