Boeing Everett Assembly Plant, Airport Road, 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 pins78% CONFIDENCEOverall confidence: 78%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
Yesterday's Airlines: "The SP first flew on July 4, 1975"; Boeing Classics titles its archive film "First Flight of the Boeing 747SP, July 4, 1975".[1]The shortened, long-range Boeing 747SP flew for the first time on 4 July 1975. Built for Pan Am's New York-Middle East routes, it entered service with Pan Am on 25 April 1976.
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