Seattle Paine Field International Airport, 9901, 24th Place West, Westmont, Everett, Snohomish County, Washington, 98204, United States
Boeing Commercial Airplanes
CONFIRMEDDate confidence: CONFIRMEDStated as firmHow firmly the source words the date: confirmed, scheduled, estimated, delayed or unverified.Show all CONFIRMED pins79% CONFIDENCEOverall confidence: 79%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
The Widebody Aircraft[1] Chronology lists "May 4, 1993: First flight of the Boeing 747-400F (Freighter)" and Wikipedia[2] states "The model's first flight was on May 4, 1993"; boeing-747.com[4] says May 1993. No source opened names the airfield.Boeing's all-cargo 747-400F, a short-upper-deck freighter with the -400's wing and systems, made its first flight on 4 May 1993, six months before entering service with launch customer Cargolux.
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