CONFIRMEDDate confidence: CONFIRMEDStated as firmHow firmly the source words the date: confirmed, scheduled, estimated, delayed or unverified.Show all CONFIRMED pins77% CONFIDENCEOverall confidence: 77%How well the pin's source and references back up its dates.Weighted average of how firmly 8 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: "Today, in 1983, The prototype De Havilland Canada (DHC), Dash 8-100 (C-GDNK), operated its maiden flight"; BAE Systems Heritage: "flew for the first time on 20th June 1983".[1]The prototype DHC-8 Dash 8-100, registered C-GDNK, flew for the first time on 20 June 1983, launching the twin-engine 37-seat turboprop that replaced the four-engine Dash 7 concept.
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