First announced in late 2021, Gulfstream’s ultra-long-range G800 twinjet received FAA and EASA certification in April 2025. The aircraft, which is the longest-range of the Gulfstream fleet, offers the capability to to fly 8,200 nautical miles at a speed of Mach .85, or 7,000 nautical miles at a high-speed cruise of Mach .90. Its interior dimensions match that of the G650ER, offering four configurable living zones, or three living zones plus a crew rest compartment. With flight times of up to seventeen hours, customers can configure the interior of their aircraft for the way they intend to use it.