Why the G450 Still Matters The Gulfstream G450 remains one of business aviation’s most respected large-cabin aircraft. Although production ended in 2018, the G450 continues to serve corporate flight departments, charter operators, and government missions because it combines long-range capability, high-altitude performance, and a proven reliability record. For operators, it is often viewed as a “sweet spot” aircraft: intercontinental reach without stepping into the higher acqu