The Kamov V-80 eventually evolved into that single seat Russian attack helicopter?
Kamov V-80 The Kamov V-80 was a design study designation for an attack helicopter that eventually evolved into the single seat Kamov Ka-50 family of aircraft.
Kamerton-N Ratnik The Kamerton-N Ratnik is a 1990s Russian light autogyro designed and built by Kamerton-N Ltd of Shchyolkovo.