Kalinin K-7
| Type/Role: | Experimental Multi-Engine Monoplane |
| Type/Role: | Heavy bomber/ Troop or Civilian Transport |
| Top speed: | 225 mph / 121 kph |
| Range: | Untested |
| Service Ceiling: | 13,123' / 4,000m |
| Weight: | 83,776 lbs / 38,000 kg |
| Wingspan: | 115' / 35m |
| Length: | 93′ / 28m |
| Height: | 40′ 8″ / 12.4m |
| Power: | 7 750 hp Mikulin AM-34F V-12 Piston Engines |
| Crew: | 11 |
| Capacity: | 120 Passengers 112 Paratroopers or Heavy Bomber Configuration |
| Designer: | Konstantin Kalinin |
| Number Manufactured: | 1 |
| Country of Origin: | Russia |
| First Flight: | August 11, 1933 |
| Retired: | Crashed: November 21, 1933 |
| Guns (Bomber Configuration): | 8 20mm autocannons 8 7.62mm machine guns |
| Bombs (Bomber Configuration): | Up to 21,200 lbs. / 9,600 kg of Bombs |