Gulfstream hit a significant milestone in the certification program of their new aircraft, the G650. According to the press release, the fifth and final flight-test aircraft hit the air on January 24, 2011. All five aircraft apart of the flight-test campaign have logged more than 1,100 hours in the program and have passed a broad number of tests. The company is one step closer to public release and certification is right on track for 2011 with first deliveries in 2012.
–PR