[1] The type served in small numbers in the Second World War as an air ambulance.
[1] The SAM-5 was a cantilever high-wing monoplane with fixed conventional landing gear and an enclosed cabin for a pilot and four passengers.
[1] The first prototype was built using stressed-skin light alloy construction but it had problems with the quality of workmanship in what was an unfamiliar material.
[1] After testing 37 production aircraft were built and they were delivered from 1937 as air ambulances with room for three patients and an attendant.
[1] Moskalyev then worked on an improved variant, the SAM-5-2bis, tested with a 200 hp (149 kW) engine; the aircraft established distance and height records.