Gulfstream G500/G600
The Gulfstream G600 and G500 previously saw their ranges increase as a result of their performance in flight testing. (Photo: Gulfstream Aerospace)

Gulfstream Increases Ranges of G500, G600

The improvements are based on real-time operations and already exist on in-service aircraft.

Gulfstream Aerospace has increased the ranges of its G500 and G600 by 100 nautical miles at both long-range and high-speed cruise speeds based on real-time operations, the Savannah, Georgia-based airframer recently announced. According to Gulfstream, the G500 can now fly 5,300 nautical miles at Mach 0.85 and 4,500 nautical miles at Mach 0.90, while the G600 increases its range to 6,600 nautical miles at long-range and 5,600 nautical miles at high-speed cruise.

Also getting a performance bump is the G600’s payload capacity with full fuel, which increases to 2,600 pounds thanks to a reduction of 570 pounds in the twinjet’s basic operating weight. “What’s exciting for existing customers is that these improvements already exist on their in-service aircraft with no modifications required,” said Gulfstream president Mark Burns.

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Both the G500 and G600 exceeded range expectations in their flight-test programs, with the G600 adding 700 nautical miles of high-speed-cruise range before entering service. Phebe Novakovic—chairman and CEO of Gulfstream parent General Dynamics—said more than 90 G500/600s will be in service by year-end.