Fourth Gulfstream G500 test aircraft completes first flight

Gulfstream Aerospace announced that the fourth Gulfstream G500 test aircraft, T4, has completed its first flight and officially joined the G500 flight-test program. The aircraft climbed to a maximum altitude of 51,000 feet/15,545 meters and reached a maximum airspeed of 340 KCAS/Mach 0.925. During the 3-hour and 17-minute flight, the crew exercised all primary flight control systems, performed functional checks of air data and cabin pressurization systems and completed a series of engine performance measures.