Gulfstream Aerospace G-Iv

Twin Jet

The Gulfstream G450 represents the refined evolution of the legendary G-IV platform, combining intercontinental range with the reliability that made Gulfstream synonymous with business aviation excellence. Introduced in 2004 as a successor to the GIV-X, the G450 features Rolls-Royce Tay 611-8C engines, a Planeview cockpit with four large displays, and enhanced avionics that set new standards for situational awareness in the ultra-long-range category. With a maximum range of 4,350 nautical miles and a ceiling of 45,000 feet, it can connect city pairs like New York to Paris or Los Angeles to London nonstop, cruising at Mach 0.80 with eight passengers in transcontinental comfort. What distinguishes the G450 from its contemporaries is its combination of cabin volume, speed, and field performance — it can operate from shorter runways than competing aircraft in its class while maintaining the spacious 45-foot cabin that became a Gulfstream hallmark. The aircraft's wing design, inherited from the G-IV but refined with improved aerodynamics, delivers exceptional efficiency at high altitude where the jet achieves its best fuel economy. The type also served as the basis for military variants including the C-20H and C-37A used by the U.S. Air Force for executive transport and special missions. SkyMeter has tracked flights across airframes and operators, with unique routes observed.