References 582% CONFIDENCEOverall confidence: 82%How well the pin's source and references back up its dates.Weighted average of how firmly 5 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%
  web.archive.org/web/20130914135516/http://www.atraircraft.com/about-atr/corporate-overview/milestones-1988.html

  web.archive.org· Posted Oct 23, 2026· Starts Oct 27, 1988 ✓· 25% of score

  ATR's milestones page: "October 27, 1988 First flight of the ATR 72. The aircraft is flown from ATR's Toulouse facility".

• [2]85%
  ATR milestones 1989, ATR (archived)

  web.archive.org· Added Oct 23, 2026· Starts Sep 25, 1989· 25% of score

  DGAC and FAA certification and first delivery of the ATR 72.^[1]

• [3]70%
  ATR 72, Wikipedia

  en.wikipedia.org· Added Oct 23, 2026· 25% of score

  Programme launch on 15 January 1986 and the first flight.^[1]

• [4]85%
  ATR 72-200 data sheet, ATR

  atr-aircraft.com· Added Oct 23, 2026· 25% of score

  Dimensions, engines, weights, performance and block fuel.^[1]

• [5]70%
  33 Years Of Flight: The Story Of The ATR 72, Simple Flying

  simpleflying.com· Published Oct 27, 2021· 0% of score

  Anniversary account of the stretch and first flight.^[1]

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