Claims to the first powered flight
- This article is about the claims. For the aircraft and flights themselves, see Early flying machines
Several aviators have been claimed as the first to fly a powered aeroplane.
Much controversy has surrounded these claims. It is most widely held today that the Wright Brothers were the first to fly successfully. Brazil regards Santos-Dumont as the first successful aviator because the Wright Flyer took off from a rail and, after 1903, used a catapult. An editorial in the influential Jane's All the World's Aircraft 2013 edition supported the claim of Gustave Whitehead.
- 1 Significant claims
- 2 History
- 3 Ader
- 4 Whitehead
- 5 Langley
- 6 Wrights
- 7 Santos-Dumont
- 8 Minor claims
- 9 References
- 10 External links
Several aviators and/or their supporters have laid claim to the first manned flight in a powered aeroplane. Claims that have received significant attention include:
- Clément Ader in the Avion III (1897)
- Gustave Whitehead in his No's. 21 and 22 aeroplanes (1901–1903)
- Richard Pearse in his monoplane (1903–1904)
- Samuel Pierpont Langley's Aerodrome A (1903)
- Karl Jatho in Jatho biplane (1903)
- The Wright brothers in the Wright Flyer (1903)
- Alberto Santos-Dumont in the 14 Bis (1906)
In judging these claims, the generally accepted requirements are for sustained powered and controlled flight. In 1890 Ader had made a brief uncontrolled and unsustained "hop" in his Éole, but such a hop is not regarded as true flight. The ability to take off unaided is also sometimes regarded as necessary. The air historian Charles Gibbs-Smith has said that, "The criteria of powered flight must remain to some extent a matter of opinion."
Some notable powered hops were made before the problem of powered flight was finally solved.
In 1874 Félix du Temple built a steam-powered aeroplane which took off from a ramp with a sailor on board and remained airborne for a short distance. This has sometimes been claimed as the first powered flight in history but the claim is generally rejected because takeoff was gravity-assisted and flight was not sustained. It is however credited as the first powered take-off in history.
Ten years later in 1884 the Russian Alexander Mozhaysky achieved similar success, launching his craft from a ramp and remaining airborne for 30 m (98 ft). The claim that this was a sustained flight has not been taken seriously outside Russia.
Clément Ader's Éole of 1890 was a bat-winged tractor monoplane which achieved a brief, uncontrolled hop, becoming the first heavier-than-air machine in history to take off from level ground under its own power. However his hop is not regarded as true flight because it was neither sustained nor controlled. Ader would later make a false claim of a more extended flight.
In 1896, Samuel Pierpont Langley, the Secretary of the Smithsonian Institution, had successful flights with several unpiloted models, and his Number 6 model flew more than 5,000 feet (1,500 m). From these successes, in 1898 Langley received grants from the War Department for $50,000 and an additional $20,000 from the Smithsonian, to attempt development of a piloted version.
The 1901 Drachenflieger of Wilhelm Kress did not even achieve a hop. A floatplane, it is notable as the first heavier-than-air craft to be powered by an internal combustion engine rather than steam. It demonstrated good control when taxiing, but was too underpowered to take off.
The period of claimed flights
Few of the claims to powered flight were widely accepted, or even made, at the time the events took place. Both the Wrights and Whitehead suffered in their early years from a lack of general recognition, while neither Ader nor Langley made any claim in the years immediately following their work.
The pioneer Octave Chanute promoted the Wrights' work, some of which he witnessed, in America and Europe. The brothers began to gain recognition in Britain, where Colonel John Edward Capper was taking charge of Army aeronautical work. On a visit to the U.S. in 1904 Capper befriended the Wrights and subsequently helped foster their early recognition. He also visited Langley, who openly discussed his failure with Capper.
The perspective changed in 1906. Early in the year Langley died, without ever making any claim. The U.S. Army rejected a proposal from the Wrights on the basis that their machine's ability to fly had not been demonstrated. Thus, when Alberto Santos-Dumont made a brief flight that year in his 14-Bis aeroplane, there was no acknowledged antecedent and he was acclaimed in France and elsewhere as the first to fly. Ader responded by claiming that he had flown in his Avion III back in 1897.
Claims and recognition
Santos-Dumont's 1906 claim to flight has never been seriously disputed, although few authorities credit his as the first, while some have questioned the effectiveness of his controls.
In 1908 the Wrights embarked on a series of demonstrations with their by now much improved Flyers, Orville in America and Wilbur in Europe. The European demonstrations drew instant recognition of their technical achievements, although both the use of a launch trolley and lack of aerodynamic stability meant that acceptance of the first flight claim was not universal.
Ader's claim was debunked in 1910, when the official report on his work was finally published.
In America the Smithsonian Institution began to promulgate a claim for Langley, who had been its Secretary from 1887 until his death. In 1914 they loaned the Aerodrome to Glenn Curtiss who modified it heavily until it became capable of brief flights. They used this as the basis for a claim that the Aerodrome was the first aeroplane "capable of flight". Orville, the surviving Wright brother, began a long and bitter legal battle to force it to recognize their claim to primacy, his disgust reaching such a peak that in 1928 he sent the historic Flyer for display in the British Science Museum in London. He eventually succeeded in his battle when the Smithsonian admitted to Curtiss' modifications and withdrew its claim in 1942.
Meanwhile, with the publication of a co-authored article and a book by the journalist Stella Randolph, Whitehead had also begun to gain vocal advocates. In 1945 Orville Wright issued a critique of the evidence for Whitehead.
Orville died on January 30, 1948. As part of the Smithsonian's final deal with his executors, the Flyer was returned to its native America and put on display. A clause in the contract required the Smithsonian to claim primacy for the Wrights, on pain of losing the prize exhibit.
Whitehead's advocates have fought an equally bitter battle with the Smithsonian in an attempt to gain recognition, in which the Smithsonian's contract with the Wright estate has been subject to heavy criticism. Although Whitehead's advocates have gained some following, they remain in the minority.
It is most widely held today that the Wright Brothers were the first to make controlled sustained heavier-than-air flights. Brazil still officially regards Santos-Dumont as the first successful aviator because his craft did not use an external launch system.
Following his hop in the Éole, Clément Ader obtained funding from the French Ministry for War. He completed the similar but larger Avion III in 1897. In trials it failed to leave the ground at all, and remains notable only for its twin steam engines.
Several years later in 1906, following Blériot's first successful flights Ader claimed publicly that his Éole had flown for 330 ft (100 m) in 1891, and that the Avion III had flown for 1,000 ft on the second day of its trials.
Ader's claim for the Avion III was refuted four years later in 1910, when the French Ministry for War finally published its report on his work. His claim for the Éole also collapsed through lack of credibility.
When Gustav Weisskopf immigrated to the United States he changed his name to Gustave Whitehead. There he began an extensive series of experiments with gliders, aero engines and motorized flying machines. Whitehead and other sources have claimed he made successful powered airplane flights.
- Louis Darvarich, a friend of Whitehead, said they flew together in a steam-powered machine in 1899 and crashed into the side of a building in their path.
- The Bridgeport Herald newspaper reported that on August 14, 1901 Whitehead flew his "No.21" monoplane to a height of 50 ft (15 m) and could steer it a little by shifting his weight to the left or right.
- Whitehead wrote letters to a magazine, saying that in 1902 he made two flights in his No.22 machine, including a circle, steering with a combination of the rudder and variable speeds of the two propellers.
Stanley Beach was a friend of Whitehead, sharing a patent application with him in 1905. Beach's father was editor of Scientific American, which was initially sympathetic to Whitehead and included a number of reports of short flights by Whitehead. Later, Beach and Whitehead fell out and, now editor of the Scientific American in his turn, Beach denied that Whitehead ever flew.
Whitehead's claims were not taken seriously until two journalists, Stella Randolph and Harvey Phillips, wrote an article in a 1935 edition of Popular Aviation journal. Harvard University economics professor John B. Crane responded with a rebuttal, published in National Aeronautic Magazine in December 1936. The next year Randolph expanded the article, together with additional research, into a book titled Lost flights of Gustave Whitehead. Crane changed his mind in 1938 and suggested that a Congressional investigation should consider the claims. By 1945 Orville Wright was sufficiently concerned about the Whitehead claims that he issued his own rebuttal in US Air Services. Then in 1949 Crane published a new article in Air Affairs magazine that supported Whitehead.
History by contract
Following a chance discovery in 1963, reserve U.S. Air Force major William O'Dwyer was asked to research into Whitehead. He became convinced that Whitehead did fly and contributed research material to a second book by Stella Randolph, The Story of Gustave Whitehead, Before the Wrights Flew, published in 1966.
O'Dwyer and Randolph co-authored another book, History by Contract, published in 1978. The book criticised the Smithsonian Institution for its contracted obligation to credit only the 1903 Wright Flyer for the first powered controlled flight, claiming that it created a conflict of interest and had been kept secret. The Smithsonian defended itself vigorously.
Jane's renews controversy
On 8 March 2013 the aviation annual Jane's All the World's Aircraft published an editorial by Paul Jackson endorsing the Whitehead claim. Jackson's editorial drew heavily upon information provided by aviation researcher John Brown, whom he complimented for his work. Brown had begun researching Whitehead's aircraft while working as a contractor for the Smithsonian. Jane's corporate owner later distanced itself from the editorial, stating it contained the views of the editor, not the publisher.
Brown analysed in great detail a vintage photograph of an early indoor aeronautical exhibition, claiming that an even earlier photograph visible on the wall showed the Whitehead No. 21 aircraft in powered flight. Jackson's editorial did not mention the claim, and two weeks after its publication he stated to the press that the image was not significant to the claim of Whitehead's flight, remarking, "And that entirely spurious 'Where's the photograph?' argument.". Aviation historian Carroll Gray subsequently identified the photo seen on the wall "beyond any reasonable doubt" as a glider built and displayed in California by aviation pioneer John J. Montgomery.
Responding to the renewed controversy, Tom Crouch, a senior curator at the Smithsonian's National Air and Space Museum, formally acknowledged the Wright contract, saying that it had never been a secret. He also stated;
I can only hope that, should persuasive evidence for a prior flight be presented, my colleagues and I would have the courage and the honesty to admit the new evidence and risk the loss of the Wright Flyer.— Tom Crouch, The Wright-Smithsonian Contract, 
Scientific American published a rebuttal of the Whitehead claims written by its senior copy editor Daniel C. Schlenoff, who asserted, regarding the Bridgeport Herald report, that "The consensus on the article is that it was an interesting work of fiction." 
Thirty-eight air historians and journalists also responded to the revived controversy with a "Statement Regarding The Gustave Whitehead Claims of Flight," rejecting the evidence supporting the claims and noting that, "When it comes to the case of Gustave Whitehead, the decision must remain, not proven."
Samuel Pierpont Langley was Secretary to the Smithsonian Institution from 1887 until the year of his death in 1906. During this period, and in due course supported by the United States War Department, he conducted aeronautical experiments, culminating in his manned Aerodrome A. Under Langley's instruction Charles M. Manly attempted to fly the craft from a catapult on the roof of a houseboat in 1903. Two attempts, on 7 October and 8 December, both failed with Manley receiving a soaking each time.
Glenn Curtiss and the Smithsonian
Some ten years later in 1914 Glenn Curtiss modified the Aerodrome and flew it a few hundred feet, as part of his attempt to fight a patent owned by the Wright brothers, and as an effort by the Smithsonian to rescue Langley's aeronautical reputation. The Curtiss flights emboldened the Smithsonian to display the Aerodrome in its museum as "the first man-carrying aeroplane in the history of the world capable of sustained free flight". Fred Howard, extensively documenting the controversy, wrote: "It was a lie pure and simple, but it bore the imprimatur of the venerable Smithsonian and over the years would find its way into magazines, history books, and encyclopedias, much to the annoyance of those familiar with the facts."
The Smithsonian's action triggered a decades-long feud with the surviving Wright brother, Orville. It was not until 1942 that the Smithsonian finally relented, publishing the Aerodrome modifications made by Curtiss and recanting misleading statements it had made about the 1914 tests.
On 17 December 1903 a few miles south of Kitty Hawk, North Carolina the Wright brothers launched their airplane from a dolly running along a short rail, which was laid on level ground. Taking turns, Orville and Wilbur made four brief flights at an altitude of about ten feet each time. The flight paths were all essentially straight; turns were not attempted. Each flight ended in a bumpy and unintended "landing" on the undercarriage skids, or runners as the craft did not have wheels. The last flight, by Wilbur, was 852 feet (260 m) in 59 seconds, much longer than each of the three previous flights of 120, 175 and 200 feet. The Flyer moved forward under its own engine power and was not assisted by catapult, a device the brothers did use during flight tests in the next two years and at public demonstrations in the U.S. and Europe in 1908-1909. A headwind averaging about 20 mph gave the machine sufficient airspeed to become airborne; its speed over the ground was less than 10 mph. Photographs were taken of the machine in flight.
The Wrights kept detailed logs and diaries about their work. Their correspondence with Octave Chanute provides a virtual history of their efforts to invent a flying machine. They also documented their work in photographs, although they did not make public any photos of their powered flights until 1908. Their written records also were not made available to the public at the time, though they were published in 1953 after the Wright estate donated them to the U.S. Library of Congress.
The Wrights' claim to a historic first flight was largely accepted by U.S. newspapers but inaccurately reported initially. In January 1904 they issued a statement to newspapers accurately describing the flights. After an announced public demonstration in May 1904 in Dayton, the Wrights made no further effort to publicize their work, and were advised by their patent attorney to keep details of their machine confidential. In 1905 a few dozen people witnessed flights by the Wright Flyer III. Pioneers such as Octave Chanute and the British Army officer Lt. Col. John Capper were among those who believed the Wrights' public and private statements about their flights.
In 1906, almost three years after the first flights, the U.S. Army rejected an approach from the Wrights on the basis that their proposed machine's ability to fly had not been demonstrated.
By 1907 the Wrights' claims were accepted widely enough for them to be in negotiations with Britain, France and Germany as well as their own government, and early in 1908 they concluded contracts with both the US War Department and a French syndicate. In May Wilbur sailed for Europe in order to carry out acceptance trials for the French contract. On 4 July 1908 Glenn Curtiss gave the first widely publicised public demonstration of flight in the USA. As a result, the Wright brothers' prestige fell. Subsequent flights of both brothers that year went on to astonish the world and their early claims gained almost universal public recognition as legitimate.
Subsequent criticisms of the Wrights have included accusations of secrecy before coming to Europe in 1908, the use of a catapult-assisted launch and such a lack of aerodynamic stability as to make the machine almost unflyable.
The Smithsonian feud
Following the Curtiss experiments with the Langley Aerodrome in 1914, surviving Wright brother Orville began a long and bitter campaign against the Smithsonian to gain recognition. His disgust reached such a peak in 1928 that he sent the historic Flyer for display in the British Science Museum in London. It was not until 1942 that the Smithsonian finally relented, at last retracting its claims for Langley and acknowledging the Wrights' place in history.
Orville died on January 30, 1948. The Flyer - delayed by the war and an arrangement for a copy to be made - was returned to its native America and put on display in the Smithsonian. A clause in the contract required the Smithsonian to claim primacy for the Wrights, at risk of losing their newly acquired prize exhibit. The Smithsonian has honoured its contract ever since and continues to support the Wrights' claim.
Alberto Santos-Dumont was a Brazilian aviation pioneer of French ancestry. Having emigrated to France for studies, he made his aeronautical name in that country with airships before turning to heavier-than-air flight. On 23 October 1906 he flew his 14-bis biplane for a distance of 60 metres (197 ft) at a height of about five meters or less (15 ft). The flight was officially observed and verified by the Aéro-Club (later renamed the Aéro-Club de France). This won Santos-Dumont the Deutsch-Archdeacon Prize for the first officially-observed flight of more than 25 meters. This flight is also recognised as the first powered flight in Europe. Then on 12 November a flight of 22.2 seconds carried the 14-bis some 220 m (722 ft), earning the Aéro-Club prize of 1,500 francs for the first flight of more than 100 m. This flight was also observed by the newly formed Fédération Aéronautique Internationale (FAI) and became the first record in their log book.
The lateral control system comprised ailerons mounted between the wings and attached to a harness worn by the pilot, who was intended to correct any rolling movement by leaning in the opposite direction. Both flights ended when the craft began to roll and Santos-Dumont landed because he was unable to correct it. This has led some critics to question the lateral control capability of the 14-bis, however it has not prevented the flight from being recognised. At that time the Wrights' claim had not yet been accepted in Europe and was questioned in America by the authoritative Scientific American. Thus, Santos-Dumont was credited by many with the first powered flight.
In 1894 Sir Hiram Maxim tested a flying machine running on a track and held down by safety rails because it lacked adequate flight control. The machine lifted off the track and met the safety rails and this is sometimes claimed as a flight. Maxim himself never made such a claim.
John Hall, of Springfield, Massachusetts was credited, alongside Whitehead, with flights prior to the Wrights by Crane in his 1947 Air Affairs magazine article.
Preston A. Watson was subject of a claim made in 1953 by his brother J.Y. Watson, that he had flown before the Wrights in 1903. J.Y. Watson later admitted that this was in an unpowered glider.
Richard Pearse of New Zealand is credited by some in his country with making the first powered airplane flight on 31 March 1903. He did not claim the feat himself and gave ambiguous information about the chronology of his work. Biographer Geoffrey Rodliffe wrote, "no responsible researcher has ever claimed that he achieved fully controlled flight before the Wright brothers, or indeed at any time".
Karl Jatho of Germany is generally credited with making powered airborne hops in Hanover between August and November 1903. He claimed a hop of 18 m (59 ft) about 1 m (3 ft) high on August 18, 1903 and several more hops or short flights by November 1903 for distances up to 60 m (197 ft) at 3 m (10 ft) height. His aircraft made takeoffs from level ground. In Germany some enthusiasts credit him with making the first airplane flight. Sources differ whether his aircraft was controlled.
Jacob Ellehammer made a powered hop of about 138 ft (42 m) on 12 September 1906. This has been claimed as a flight. Ellehammer's attempt was not officially observed, whereas Santos-Dumont's, only a few weeks later, was observed and has been given primacy.
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