The Gulfstream G-450 is a heavy jet developed by Gulfstream between 2003 and 2006. The G-450 has a range of 4,700 miles and a maximum speed of 539 mpg. The G-450 was developed from the G-IV and G-IVSP. The G-400 airframe is a popular one from Gulfstream due to its interior size, baggage compartment, and long-range capabilities. The G-400 seats up to 14 passengers with a flight attendant and is equipped with technology such as WiFI and Aircell. The G-400 is a popular option for charter clients around the world.