The Gulfstream G450 is a designation for the model GIV-X, approved by the FAA on August 12, 2004. Compared to the Gulfstream IV, its fuselage is 12 inch longer and the main entry door relocated aft. Rolls-Royce Tay 611 engine are replaced by 611-8C with FADEC, redesigned thrust reverser, nacelle and pylon which increases range and payload coupled with aerodynamic improvements. Many Gulfstream V-SP improvements are used: the Honeywell advanced flight deck display suite, electrical power generation, cabin temperature control and pressurization, nose and nose landing gear. It also have improved APU and flap/stab actuation system, redesigned main landing gear wheels and brakes, flight control system hard-over protection system. 330+ aircraft were in service at the end of 2014, with prices ranging from $15 million to $32 million.
The Gulfstream G450 has a range of 4,328 nautical miles. Type in your city or airport identifier for a visual representation of the NBAA IFR Range (NM) for this aircraft.