Republic Aviation
defunct American aviation company

The Republic Aviation Corporation was an American aircraft manufacturer based in Farmingdale, New York, on Long Island. Originally known as the Seversky Aircraft Company, the company was responsible for the design and production of many important military aircraft, including its most famous products: World War II's P-47 Thunderbolt fighter, the F-84 Thunderjet and F-105 Thunderchief jet fighters.
History
Seversky Aircraft
The Seversky Aircraft Company was founded in 1931 by Alexander de Seversky, a Russian expatriate and veteran World War I pilot who had lost a leg in the war. In the beginning, many of Seversky Aircraft's designers were Russian and Georgian engineers, including Michael Gregor and Alexander Kartveli, who would go on to design many of Republic's most famous aircraft.
After several failed attempts, Seversky Aircraft finally won a design competition for a new United States Army Air Corps fighter, and was awarded its first military contract in 1936 for the production of its Seversky P-35.
In 1939, Seversky Aircraft again entered in a military fighter competition, this time with the much-improved AP-4. While the contract was awarded to the Curtiss P-40, the USAAC was impressed with the high-altitude performance of the AP-4 and ordered 13 additional aircraft for testing, as the XP-43.
By April 1939, the Seversky Aircraft Corporation had lost $550,000, and Seversky was forced out of the company he had founded. The board, led by financier Paul Moore, voted W. Wallace Kellett to replace him as president, and in September 1939 the company was reorganized as the Republic Aviation Corporation. Seversky continued to fight for his company, and the matter was not resolved to his satisfaction until September 1942.
Begin with the source’s own compact description: “Republic Aviation” is defunct American aviation company. The dossier treats that line as a proposition to test through Republic, Aviation and defunct, not as a finished interpretation.
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Contemporary correspondence, administrative files and participant testimony can test how later narratives organized the event or institution. The source revision retrieved here is dated Sep 12, 2026. The linked authority identifier is Q950095. VIAF identifies the subject as 149055499. The Library of Congress control number is n90681282. 3 of 3 selected statements include explicit references; 0 carry qualifiers and 0 use preferred rank. The first chronological checks are 1931, 1936, 1939 and 1942.
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This entry incorporates text from “Republic Aviation” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.