Airliners November 29, 2015June 7, 2016 Boeing 747 Prototype – City of Everett Posted By: World Of Aviation boeing, boeing 747, everett, jumbo jet Boeing 747 Prototype – City of Everett The Boeing 747 prototype is located at the Museum of Flight on Boeing Field in Seattle. The first flight of 747 prototype was on 9 February, 1969. It is named after the City of Everett, Washington where it was constructed.