AIR-5 adaptation for domestic M-11 engine. It was ready in May 1932, flew on September 8 and passed all trials easily. Adopted as short range liaison aircraft.
In 1934 group of AIR-6 performed flight Moscow-Irkutsk-Moscow (with refuel landings), covering more than 10,000km.
During 1934-36 total 486 AIR-6 were built. Twenty of them were modified as ambulance with room for a stretcher and doctor.