9-cylinder air-cooled engine. Small outer diameter and high reliability keep this engine family among the best engines for aerobatic and trainer aircraft for many decades. The 'V' (Vertoliotnyj, Helicopter) variants were fitted with fan assisted cooling system and special gearbox.
| AI-14R | ? | a.c. | 260hp takeoff 220hp normal |
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| AI-14RF | 1958 | supercharged | 300hp |
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| AI-14V | 1952? | piston | 228hp |
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| AI-14VF | 1955? | piston | 275hp |
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