"The photos in question are of the Harbin Z-6. Although it is very different from the Mil Mi-4 Hound in many respects, it was indeed based on the Harbin Z-5, the Chinese version of the Hound. Notable are the following:I recently had a major hard disc failure (read: virus)
that deleted all my files, including the mail and name of the contributor of these images. If you're the one, please e-mail me here.
There has been a bit of debating about the exact type helicopter depicted here. I think Chris Jones of Heli-Kit News (http://www.5chr.freeserve.co.uk, go there for a look, tremendous site for chopper fans) has the answer.
There seems to be widely conflicting information about the production status,
- Engine location moved from nose to top of cabin.
- First use of Turboshaft engine in a Chinese helicopter.
- Fuselage extended and completely new cockpit section.
ranging from "prototype, never built" to the assertion in International Air
Power Review Vol.1 (there's a photo here) that over 100 of these are thought to
have been in service, and that some are still operational.
The Z-6, although a Harbin design, was actually built in the Changhe and