CONFIRMEDDate confidence: CONFIRMEDStated as firmHow firmly the source words the date: confirmed, scheduled, estimated, delayed or unverified.Show all CONFIRMED pins80% CONFIDENCEOverall confidence: 80%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
Airways, "3/11/1993: Maiden Flight of the Airbus A321": "Today, in 1993, the A321 prototype, F-WWIA, took to the skies for the first time from Airbus' Hamburg Finkenwerder (XFW) plant"; Air Data News[3] and Wikipedia[2] agree on 11 March 1993.Airbus's first A321, prototype F-WWIA with IAE V2500 engines, took off from Hamburg-Finkenwerder on 11 March 1993, the stretched first derivative of the A320 that Lufthansa took into service in January 1994.
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