Hopfner HV-4/28 explained
The
Hopfner HV-4/28 was a small airliner built in Austria in the late 1920s. An enlarged version of the
HV-3/27, it was a conventional, high-wing cantilever monoplane with a fully enclosed cabin. A single example was built in 1928 and saw heavy use by the airline that year. In 1929, it received a major refurbishment that included a change or powerplant from the original Heiro to a
Gnome et Rhône 9A Jupiter engine and was sold to a private owner under the new designation
HV-8/29GR. This aircraft was still flying at the time of the
Anschluß, after which it received a new German registration.
References
- Book: The Illustrated Encyclopedia of Aircraft . Aerospace Publishing. London . 2174 .
- Book: Taylor, Michael J. H. . Jane's Encyclopedia of Aviation . 1989 . Studio Editions . London . 510 .
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