• Thumbnail for Hirtenberg HV.15
    The Hirtenberg HV.15 was a twin-engine Austrian monoplane produced by Hirtenberg. The HV.15 was the company's first twin-engined aircraft, originally...
    4 KB (219 words) - 20:43, 10 August 2022
  • Metallwarenfabrik (English: "cartridge, primer and metalware fabrication in Hirtenberg") near Wiener Neustadt (proofmark "am") used forced labor during World...
    4 KB (263 words) - 16:12, 4 December 2023
  • HS-9/32 (a.k.a. Hirtenberg HS.9) Hopfner HS-10/32 Hopfner HV-3/27 Hopfner HV-4/28 Hopfner HV 15 (a.k.a. Hirtenberg HV.15) Hopfner HV-6/28 Hopfer (disambiguation)...
    2 KB (216 words) - 10:24, 25 April 2021
  • The Hopfner HV-3/27 was a small airliner built in Austria in the late 1920s. A development of the HV-2, it was a conventional, high-wing cantilever monoplane...
    4 KB (189 words) - 18:58, 21 May 2022
  • Hirt Trio Hirtenberg HS.9 Hirtenberg HS.10 Hirtenberg HA.11 Hirtenberg HAM.11[citation needed] Hirtenberg HV.12[citation needed] Hirtenberg HM.13[citation...
    37 KB (3,331 words) - 18:51, 26 October 2023
  • 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...
    3 KB (221 words) - 19:05, 21 May 2022
  • Thumbnail for Hopfner HS-10/32
    t e Hopfner, Hirtenberg, and Wiener Neustadter Flugzeugwerk (WNF) aircraft Hopfner S-1 HV-2 HV-3/27 HV-4/28 HS-5/28 HV-6/28 HS-8/29 HV-8/29 HS-10/32...
    3 KB (207 words) - 02:37, 1 January 2024
  • Hopfner HV-6/28 was a small airliner built in Austria in the late 1920s for Swiss use. Unrelated to Hopfner's other airliners of the period, the HV-6/28...
    3 KB (180 words) - 17:41, 25 March 2023
  • Thumbnail for Hirtenberg HS.9
    The Hirtenberg HS.9 was an Austrian two-seat touring or training aircraft of the early 1930s. A derivative of the Hopfner HS-5/28 via the Hopfner HS-8/29...
    3 KB (285 words) - 18:52, 21 May 2022
  • Thumbnail for Hopfner HA-11/33
    Anschluss. Deemed worthy of further development, WNF (which had absorbed Hirtenberg, which itself had taken over Hopfner) was tasked with developing it into...
    5 KB (335 words) - 18:47, 21 May 2022