N7001U On display at the Museum of Flight Airpark next to CF-TGE. This was the prototype Boeing 727 that was delivered to United Air Lines; Boeing did not retain it as a flight test aircraft. It remained with the airline for its entire 27-year career, having flown 64,495 hours, made 48,060 landings and carried around three million passengers. After making its last revenue flight in 1991, the 727 finally flew to the Museum in March 2016.
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