The Gulfstream GIV is the fourth generation in the Gulfstream family of large cabin, long range corporate jets. The jet was originally conceived in 1982 as a stretched derivative of the Gulfstream GIII with increased range and better economy of operation. That same year, Gulfstream American was renamed Gulfstream Aerospace Corp and the following year it became a publicly traded company. In 1985 Chrysler Corp purchased Gulfstream and while under Chrysler Corp leadership, the Gulfstream GIV continued development. In 1987 the last Gulfstream GIII produced was delivered, and the certification and first deliveries of Gulfstream IV took place. In 1989, Gulfstream Aerospace was repurchased from Chrysler by a team lead by Allen Paulson, former CEO of Gulfstream American.
With the GIV, Gulfstream engineers incorporated a number of key technological advances to create one of the first truly global business jets. The team incorporated the newly created Rolls Royce Tay turbofans for greater thrust and improved efficiency, but run virtually silent compared to the Spey engines on the GIII. The superb performance of the engines adds about 800 miles to the range of the jet. The airframe has been stretched but with materials and engineering that resulted in the aircraft not weighing much more than its predecessor. Also of note, the GIV was the first production business jet to feature an all glass cockpit – a huge success with pilots and operators.
The Gulfstream GIV was later upgraded to the special purpose GIV-SP and eventually redesignated as the G400 in 2002 when Gulfstream renamed its products using Arabic numerals instead of Roman numerals to differentiate its aircraft. The GIV-SP or G400 has a greater maximum take-off weight than the original GIV. A shorter range variant of the GIV was produced and re-designated G300 according to the new naming convention in 2002. Gulfstream developed a lengthened G400 with improved performance, the G450, which formally replaced the G400 in 2004.
The GIV (and G400) has one of the largest cabins in its class and that includes more baggage space than most competitors. The interior is superbly crafted and all the configurations, customized or standard, are designed to provide plenty of space for passengers to maximize their productivity or relaxation. The cabin has over sized windows and 100-percent fresh air to ensure a comfortable environment that minimizes jet lag.
Technical specifications are as follows:
The Gulfstream IV is equipped with two Rolls-Royce Tay 611-8 engines rated at 13,850lb thrust each.
Performance specifications are as follows:
The GIV has a maximum cruising speed of 581 mph (935 km/h) with an typical cruising speed of 528 mph ( 850 km/h) . The range with four passengers and two crew is 4850 mi (6517 km).
Dimension specifications are as follows:
The GIV overall length is 88ft 4in (26.9m) and height is 24ft 5in (7.5m). The aircraft has a wingspan of 77ft 1in (23.5m). The internal baggage compartment can hold 169 cubic feet and is accessible in flight.
Weight specifications are as follows:
The GIV has a maximum takeoff weight of 74,600 lb (33,837 kg) and maximum payload is 5,750 lb (2,608 kg). With full fuel load, the payload limit is reduced to 2,470lb (1,120 kg).
Internal specifications are as follows:
The Gulfstream GIV cabin length is 45ft 1in (13.74 m), height is 6ft 1in (1.85 m) and the width is 7ft 3in (2.2 m). The cabin has a number of configuration options to accommodate 14 passengers in executive seating. Owners often choose a configuration that separates the cabin into 3 distinct living areas. Configurations often include a four-place club, a four-place conference/dining with table, and one or two full length divans that also serve as beds, and a variety of accompanying cabin furniture for entertainment, work, and storage.
The cabin features a full-sized well appointed lavatory with shower, a large galley, and fully berthable executive seats. Amenities often include DirectTV, Wi-Fi, satcom phone, DVDs, flat screen displays and Air Show.
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