- Operational history
- Specifications
- References
- Further reading
- External links
{{short description|1920s German aircraft}}| name=HD 27 | image= | caption= }}{{Infobox Aircraft Type | type=Mail delivery aircraft | national origin=Germany | manufacturer=Heinkel | designer= | 1925}} | introduced= | retired= | status= | primary user= | more users= | produced= | number built=1 | variants with their own articles=
}} |
The Heinkel HD 27 was a mail-carrying transport built in Germany in the 1920s. Operational historyThe HD 27 flew in 1925 and carried mail until 1928, when it was destroyed in a tornado. No more airframes were built, but the HD 27 formed the basis for the HD 39.[1][2] Specifications{{Aircraft specs
|ref=[3]
|prime units?=met
|crew=one
|capacity=two mail compartments
|length m=8.80
|span m=12.40
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|eng1 number=1
|eng1 name=Liberty L-12
|eng1 type= V-12 water-cooled in-line piston engine
|eng1 hp=400
|prop blade number=2
|prop name=fixed pitch propeller
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|max speed kmh=178
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|cruise speed kmh=155
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References1. ^Le Document aéronautique 1926-04. Heinkel HD27 (Avion postal)
2. ^de Agostini. World Aviation. Heinkel: HD 25 - HD 44 Series Biplanes
3. ^{{cite web|url=http://airwar.ru/enc/cw1/hd27.html|title=Heinkel HD.27|website=airwar.ru}}
Further reading- {{cite book |last= Taylor |first= Michael J. H. |title=Jane's Encyclopedia of Aviation |year=1989 |publisher=Studio Editions |location=London |pages=499 }}
External links{{Heinkel aircraft}} 4 : German cargo aircraft 1920–1929|Heinkel aircraft|Biplanes|Aircraft first flown in 1925 |