The KA-50 is a state-of-the-art and powerful battle helicopter which is in limited service with the Russian Air Force. This aircraft is not fielded. Only a handful of prototypes exist, and it has not yet been approved for full-scale production. There are two versions of the Hokum. The Ka-50 Hokum-A is a single seat close support helicopter and the Ka-52 Hokum-B two seat trainer and combat version.