References 483% CONFIDENCEOverall confidence: 83%How well the pin's source and references back up its dates.Weighted average of how firmly 4 references, the source included, support the pin's start and end times; a reference counts half as much for every 180 days older than the newestShow all pins at 75% confidence or better

The first entry is always the pin's source. Overall confidence is a weighted average of how firmly each reference supports the start and end times used above; a reference counts half as much for every 180 days older than the newest.

• [1]90%
  thisdayinaviation.com/9-april-1969

  thisdayinaviation.com· Posted Oct 23, 2026· Starts Apr 9, 1969 ✓· Ends Apr 9, 1969 ✓· 47% of score

  This Day in Aviation: "9 April 1969: Concorde 002, G-BSST ... made its first flight from Filton"; Trubshaw advanced the throttles at 2:22 p.m. and the aircraft landed at Fairford at 2:45 p.m. (British Standard Time, UTC+1 in 1969, so 13:22 to 13:45 UTC).

• [2]75%
  Concorde Flies Passengers at Supersonic Speeds

  ebsco.com· Added Oct 23, 2026· Starts Apr 9, 1969· 47% of score

  EBSCO: the British prototype piloted by Brian Trubshaw flew on April 9, 1969.

• [3]85%
  Today in Aviation History: The First UK-Built Concorde Takes Flight

  vintageaviationnews.com· Published Apr 9, 2025· Starts Apr 9, 1969· 5% of score

  Confirms Concorde 002 departed Filton on 9 April 1969 and landed at RAF Fairford; gives G-BSST test-flight totals.^[1]

• [4]75%
  Concorde: The Photo Story Of The World's First Super-Sonic Passenger Plane's Maiden Flight

  flashbak.com· Published Mar 2, 2014· Starts Apr 9, 1969· 0% of score

  Says Trubshaw made his first flight in the British-built prototype on 9 April 1969, a 22-minute flight from Filton to RAF Fairford.^[1]

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