The Gulfstream GIV/GIV-SP is a midsize cabin business jet with significant improvements including a larger cabin, longer-range and advanced development over the earlier GII and GIII. The biggest improvement with the GIV/GIV-SP over the earlier Gulfstream models is the Rolls-Royce Tay engines which bring more efficient fuel burn and lowered noise emission.
The GIV/GIV-SP is the first in the Gulfstream family to employ Goodyear Aerospace’s brake-by-wire system and a Dowty fail-passive steer-by-wire system, making maneuverability easier. The Gulfstream GIV-SP gross takeoff weight is a 1,400 pound increase over the GIV.
As of October 2018, 85% of Gulfstream GIV-SP aircraft were purchased pre-owned by their current owners, the other 15% new. 8.9% are for sale with the majority of those (86%) under an exclusive broker agreement. When for sale, the average time on the market is 339 days.
The Gulfstream GIV-SP (SP stands for Special Performance) replaced the GIV in September 1992. The GIV-SP has higher payload and landing weights and improved payload range performance. There is an Aircraft Service Change (ASC) 190 modification which allows an owner/operator to upgrade a GIV to a GIV-SP. A total of 304 GIV-SP business jets were built, 2 are retired.
There are 302 Gulfstream GIV-SP business jets in operation today. Most of these are wholly owned (295) with 4 in shared ownership and 3 in fractional ownership. 11% are currently leased. North America has the largest percentage of wholly owned Gulfstream GIV-SP aircraft (86%), followed by Asia (6%).
Two Rolls-Royce Mk 611-8 engines power the Gulfstream GIV-SP each offering 13,850 lbs of thrust and using a combined 479 gallons per hour (GPH). The range of the GIV-SP is 4,091 nm operating under NBAA IFR 4 passengers with available fuel.
The cabin volume for the Gulfstream GIV-SP is 1,658 cubic feet. Typical configuration features 14/19 passenger and 2 crew seats.
|Maximum Cruise Speed:||476 kts||882 km/h|
|Long-range Speed:||459 kts||850 km/h|
|Takeoff distance:||5,450 ft (1,661 m)||(SL, ISA, MTOW)|
|Landing distance:||2,650 ft (808 m)||(SL, ISA, MLW)|
|Maximum operating altitude:||45,000 ft (13,716 m)|
Noise Level (EPNdB)
|A.||Maximum ramp weight:||75,000 lb (34,019 kg)|
|B.||Maximum takeoff weight:||74,600 lb (33,838 kg)|
|C.||Maximum landing weight:||66,000 lb (29,937 kg)|
|D.||Maximum zero fuel weight:||49,000 lb (22,226 kg)|
|E.||Standard basic operating weight:||43,300 lb (19,641 kg)|
Of the 302 GIV-SP in operation, 265 (88%) have ADS-B Out installed.
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