Time Flies: GE’s Original Flying Testbed Jets Off Into History

The history of GE and modern aviation are closely linked. Few symbols embody the connection more than the original GE flying testbed, a 49-year-old Boeing 747-100 that served as an airborne lab for engineers testing generations of new jet engines. The plane, the last operating model of the first variant of the iconic 747 jet, made its final flight earlier this month.