 | The Hopfner HA-11/33 was an amphibious flying boat built in Austria in 1933 to a specification by the Dr. Oetker company. The result was a conventional... 5 KB (335 words) - 18:47, 21 May 2022 |
and professor Hopfner (aircraft manufacturer), Austrian aircraft manufacturer Hopfner HA-11/33 Hopfner HS-5/28 Hopfner HS-8/29 Hopfner HS-9/32 (a.k.a... 2 KB (216 words) - 10:24, 25 April 2021 |
 | Aircraft of comparable role, configuration, and era General Aviation PJ Hopfner HA-11/33 Saro Cloud Saro Cutty Sark Grumman Goose Related lists List of aircraft... 13 KB (1,623 words) - 01:42, 29 March 2024 |
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 |
 | Japan Flying boat Patrol 1930 Hiro H4H Japan Flying boat Patrol 1931 Hopfner HA-11/33 Austria Amphibian 1933 Howard DGA-15 US Floatplane Transport 1939 Huff-Daland... 81 KB (441 words) - 09:45, 22 March 2024 |
List of aircraft (Hf-Hz) (section Hopfner) HS-8/29 Hopfner HS-9/32 Hopfner HS-9/35 Hopfner HS-10/32 Hopfner HS-10/33 Hopfner HS-10/35[citation needed] Hopfner HA-11/33 Hopfner HV-12/34 Hopfner-Hirtenberger... 37 KB (3,331 words) - 18:51, 26 October 2023 |
 | The Hopfner HS-5/28 was a utility aircraft built in Austria in the late 1920s. It was a conventional, parasol-wing monoplane with seating for two occupants... 4 KB (300 words) - 18:44, 21 May 2022 |
Hirtenberg HS.9 under their brand. From Hopfner H.A.M.11 (amphibious twin-engine aircraft based on H.A.11/33) H.M.15 (six-seat, twin-engine military aircraft... 4 KB (263 words) - 16:12, 4 December 2023 |
 | Hirtenberg HS.9 (redirect from Hopfner HS-9/32) training aircraft of the early 1930s. A derivative of the Hopfner HS-5/28 via the Hopfner HS-8/29, the HS.9 was a parasol wing monoplane with a fixed... 3 KB (285 words) - 18:52, 21 May 2022 |
 | The Hopfner HS-10/32 was a utility aircraft built in Austria in the early 1930s. It was a conventional, high-wing, strut-braced cabin monoplane derived... 3 KB (207 words) - 02:37, 1 January 2024 |