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dating 1 August 1907, states that Jatho "has been working on controllable air vehicles for 12 years by now", however a legal document dated 19 November 1902 (an official decline by legal authorities to attend a legal test examination that Jatho had offered to them) appears to describe a design that
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In
September 2006, a local initiative of aviation history researchers and replica builders led by Harald Lohmann attempted another recreation with a new replica in order to bolster credence to Jatho's original claims, but again, adverse weather conditions prevented a successful start, although the
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replica did achieve successful ground speed that in theory would have allowed for a lift off had it not been for the strong winds on the day of the test. The team decided to wait for better weather conditions, but the legal owner of their replica, Flughafen
Hannover-Langenhagen GmbH (owner of
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Jatho eventually gave up, noting "In spite of many efforts, (I) cannot make longer or higher flights. Motor weak." With a later machine, Jatho would make successful flights in 1909: 60 metres (200 ft) at about 3–4 metres (9.8–13.1 ft) altitude. He also founded a flying school and an
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outside of
Hanover. His first flight was only 18 metres (59 ft) distance at about 1 metre (3 ft 3 in) altitude. Sources differ whether his aircraft was controlled. The earliest contemporary source suggesting that it was controlled, a newspaper article from
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In the summer of 1933, Jatho's former assistant Werner Hegge attempted to give practical proof by a flight demonstration with an exact replica of Jatho's original machine, but according to the 9 October 1933 issue of the local
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journalist Gunter
Hartung, by November 1903 Jatho had managed to achieve a continuous flight of 60 metres (200 ft) at 2.5 metres (8 ft 2 in) altitude, a month prior to the 17 December 1903 pioneer flights of the
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where their test had taken place) that had sponsored the building of the replica, did not allow for further tests, as the airport owner instead preferred to make it a permanent exhibit at its World of
Aviation
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Although in
Germany some enthusiasts credit him with making the first airplane flight, according to modern researchers such as Leonhardt and Lohmann (interviewed for the 2006 NDR Fernsehen documentary
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newspaper, the weather did not allow for a safe start on the scheduled date. From 1936 onwards, Hegge's replica became a public exhibit at the
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spanning distances of 37, 53, 61 and 260 metres (121, 174, 200 and 853 ft) at about 3 metres (9.8 ft) altitude.
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still lacked a controlling mechanism. 30 years after his first flight tests, four eyewitnesses gave a legal testimony certified by a
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From August through
November 1903, Jatho made progressively longer hops (flights) in a pusher triplane, and then a biplane, at
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in 1933 to having observed his August 1903 flight and that the given data was correct.
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Made in
Hannover – German Aviation Pioneer Karl Jatho took off ahead of Orville Wright
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312:"The Pioneers : An Anthology : Karl Jatho (1873–1933)"
48:; 3 February 1873 – 8 December 1933) was a German inventor and
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The
Pioneers : An Anthology : Karl Jatho (1873–1933)
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at www.flyingmachines.org Web site showing photos of his plane
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Achievements and claims to precedence over the Wright brothers
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pioneer, performer and public servant of the city of
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Later assessments of claims and recreation attempts
284:"First powered flight in the history of aviation"
118:aircraft factory, but did not have much success.
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286:The Karl-Jatho-Project. Retrieved Oct. 16, 2014
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234:"Pigs Might Fly: The Gliders & Hoppers"
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158:German Aeronautical Collection Berlin,
105:quoting from Jatho's notes as well as
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160:where it was destroyed during WWII.
343:(2009, directed by Gunter Hartung).
298:The Aeroplane: An Historical Survey
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331:See aforementioned documentaries
262:Karl Jathos erster Motorflug 1903
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210:. Carroll Gray. Archived from
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130:Article about Jatho from the
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363:at www.ctie.monash.edu.au
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238:Early Aviation Pioneers
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79:Hannoverscher Courier
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25:Jatho biplane 1907 at
185:Early flying machines
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260:Wolfgang Leonhardt.
45:[kaʁlˈjatʰo]
397:People from Hanover
333:Sorry Mister Wright
296:Gibbs-Smith, C. H.
154:Hannoversche Kurier
142:Sorry Mister Wright
66:Vahrenwalder Heide
27:Vahrenwalder Heide
300:. pp. 319–20.
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191:References
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317:6 August
179:See also
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319:2016
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