I don't know anything about helicopters however she looks like a russian Bratukhin Omega 2/MGHere's something from the early days of helicopter flying:
Thanks Ferry for your understanding...these russian crafts do have umpteen names for the same item! Anyway here goes my offer and apologies for the grainy pic...It is part of the Bratukhin family, although I have it as the G-3. So close enough for me.