We publish our audit record because accuracy claims should be checkable. Every entry on this site runs through an automated fact-audit pipeline (accuracy audit → source-grounded repair → visual QA); this page is generated from that pipeline's own report, not written by hand.
Last full accuracy audit: 2026-08-28 · 5 entries checked · 6 flagged · 10 issues confirmed · 3 corrected · 7 still open
Aircraft — The claim that Langley's patent was the first US patent for an aircraft is misleading; earlier patents for aircraft-like devices exist.
Aircraft — The Stratolaunch was not 'under construction' as of 2016; it was completed and first flew in 2019.
Aircraft engine — The Manly–Balzer engine is described as being from 1903, but it was actually built in 1901 and tested in 1902.
Aircraft engine — The Armstrong Siddeley Jaguar IV (S) is described as an early series-produced geared engine from 1926, but it was actually introduced in 1927.
Airplane — The Boeing 707 was not in commercial passenger service until 2010; most airlines retired the 707 from passenger service by the early 1980s, and the last major U.S. carrier (TWA) retired its 707 passenger fleet in 1983.
Airplane — [contradicted] The first jet airliner, the de Havilland Comet, was introduced in 1952. :: The Boeing 707, the first widely successful commercial jet, was in commercial service for more than 60 years, from 1958 to 2019. (The source says: The Boeing 707 ... was
Aircraft carrier — [contradicted] Current active count: Varies; as of recent estimates, approximately 20–25 active carriers worldwide :: The source explicitly states: "As of August 2026, there are 50 active aircraft carriers in the world operated by fifteen navies. The United St
Airline — [contradicted] "The first airlines emerged in the early 20th century. Petersburg–Tampa Airboat Line." :: The source states the St. Petersburg–Tampa Airboat Line was a fixed-wing scheduled airline started in the United States in January 1914, but the world's fi
Cart — [contradicted] Two-wheeled carts required about 40% less pulling force than four-wheeled wagons and were more maneuverable, making them central to ancient economies for farming, trade, and migration. :: The source states: 'The earliest wheeled vehicles had fou
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