CONFIRMEDDate confidence: CONFIRMEDStated as firmHow firmly the source words the date: confirmed, scheduled, estimated, delayed or unverified.Show all CONFIRMED pins81% CONFIDENCEOverall confidence: 81%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
GE Aerospace[1][3], 30 Nov 2015: 'COMAC celebrated the delivery of the first ARJ21 yesterday to launch customer Chengdu Airlines during a special ceremony in Shanghai ... exactly seven years after it took its first flight'.COMAC handed the first ARJ21-700 (B-3321) to launch customer Chengdu Airlines at a Shanghai ceremony on 29 November 2015, seven years to the day after its first flight; the jet flew on to Chengdu the same day.
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