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During field performance testing before the accident, the G650 consistently exceeded target takeoff safety speeds (V 2). V 2 is the speed that an airplane attains at or before a height above the ground of 35 feet with one engine inoperative. Gulfstream needed to resolve these V 2 exceedances because achieving the planned V 2
A Gulfstream G650 jet was damaged beyond repair in a takeoff accident at Roswell International Air Center Airport, NM (ROW). The two pilots and the two flight test engineers were fatally injured.
22 lis 2012 · The crash occurred because the airplane stalled during one of these takeoffs. Gulfstream did not realize how much lower the critical angle-of-attack is in ground effect than it is in free air, and consequently the stall warning devices (stick shaker & pusher) were programmed to activate at too high an AOA.
11 paź 2012 · The NTSB report shows a series of errors on Gulfstream's part, from failure to correct errors from previous flight tests of the G-650, aggressive attempts to achieve a low take off speed, and what they called inadequate investigation of the plane's stall angle.
11 paź 2012 · The NTSB’s official accident report on last year’s G650 test flight crash – released Wednesday – blames the fatal accident on Gulfstream’s aggressive test flight schedule and failure to...
2 kwi 2011 · Aircraft was conducting OEI takeoff performance testing when the right wing stalled IGE, contacted the ground, departed the runway, and impacted concrete structure. Both wing fuel tanks were compromised and the aircraft was engulfed in fire. What We Learned... Impact was survivable, but cockpit/cabin environment deteriorated quickly due to fire.
?On April 2, 2011, about 0934 mountain daylight time, an experimental Gulfstream Aerospace Corporation GVI (G650), N652GD, crashed during takeoff from runway 21 at Roswell International Air Center, Roswell, New Mexico.
