During the 3 hour, 17 minute flight, the aircraft reached its maximums of 51,000 feet and Mach 0.925.
T4, the fourth flight-test Gulfstream G500, returns to Savannah-Hilton Head International Airport on Saturday, February 20, after its three-hour, 17-minute first flight. The aircraft is one of five G500s earning FAA certification, expected in 2017. (Photo: Gulfstream Aerospace)
