Both aircraft were unveiled by
Gulfstream Aerospace on October 14, 2014 During the second quarter of 2017, 80% of Gulfstream orders were for the G500/G600. In January 2026, the Gulfstream G500 and G600 received certification from the European Union Aviation Safety Agency (EASA) for steep-approach landing capability, allowing operations at additional airports with steep terminal procedures, such as London City Airport and Lugano Airport. The model was initially planned to be certified in 2017. In May 2017, the test fleet of four G500 prototypes and the first production aircraft, made over 745 flights in two years for 2,900 flight hours, on track for the certification by the end of the year. In August 2017, the FAA issued the G500 a type inspection authorization to allow in flight evaluation.