ESTIMATEDDate confidence: ESTIMATEDA target, not a fixed dateHow firmly the source words the date: confirmed, scheduled, estimated, delayed or unverified.Show all ESTIMATED pins55% CONFIDENCEOverall confidence: 55%How well the pin's source and references back up its dates.Weighted average of how firmly 6 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 from 50% to 74% confidence
Wikipedia[1] gives 25 February 2000 but cites no source for the day; Airport Technology[6] and AeroCorner[3] say only February 2000 and flugzeuginfo.net[2] says 12 March 2000, so the day is estimated and the month is the best-supported precision.China's Xi'an MA60, a stretched Y-7-200A turboprop, made its maiden flight in February 2000 (25 February per Wikipedia) and was certified by CAAC that June.
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