Gulfstream announced this week that the G150 fleet surpassed 100,000 flight hours and the 100th G150 rolled off the initial-phase production line, nearly six years after the aircraft entered service. With 95 aircraft in service, the fleet has logged more than 100,000 flight hours and more than 72,000 landings. In addition, the midsize twinjet is certified in 11 countries and has garnered 11 city-pair speed records. Its dispatch reliability rate is 99.88 percent, Gulfstream said.