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Gulfstream IV

Type (Muster)
Long-range business jet (Langstrecken-Geschäftsreisejet)

Manufacturer (Hersteller)
Gulfstream Aerospace Corporation
PO Box 2206
Savannah, Georgia 31402

Phone: +1 (912) 965-3000
Fax: +1 (912) 965-4333

General (Allgemeine Angaben)
Crew (Besatzung): 2 + cabin attendant
Passengers (Passagiere): 19 or less, depending on cabin layout. 12 - 14 is typical. Certified for a maximum of 26 passengers

Power plant (Antrieb): 2 x Rolls-Royce Tay Mk 611-8 turbofans
Thrust (Startschub): 2 x 61,6 kN (13850 lbs), flat rated to ISA + 15 deg C

Take-off noise: 77,5 EPNdB
Approach noise: 92,0 EPNdB
Sideline noise: 86,6 EPNdB

Dimensions (Abmessungen)
Length (Länge): 26,92 m
Height (Höhe): 7,45 m
Span (Spannweite): 23,72 m
Wing area (Flügelfläche): 88,29 sq m

Cabin length (Kabinenlänge): 13,74 m
Cabin heigth (Kabinenhöhe): 1,88 m
Cabin width (Kabinenbreite): 2,24 m
Cabin floor area (Kabinenfläche): 22,9 sq m
Cabin volume (Kabinenvolumen): 43,2 cu m
Baggage compartment volume (Gepäckraumvolumen): 4,8 cu m

Weights (Massen)
Basic operating weight with three crew (Leermasse mit drei Besatzungsmitgliedern): 19278
Allowance for outfitting and operating items (Kalkulierte Masse für Kabinenausstattung etc.): 3175 kg
Max. payload (max. Nutzlast): 2948 kg
Max. fuel (Max. Kraftstoff): 13381 kg
Payload with maximum fuel (Zuladung bei maximalem Kraftstoff): 1361 kg
Maximum zero fuel weight (Max Masse ohne Krafstoff): 22226 kg
Max. ramp weight (max. Rollmasse): 34019 kg
Max. take-off weight (Max. Startmasse): 33838 kg
Max landing weight (Max. Landemasse): 29937 kg

Performance (Flugleistungen)
Normal cruise speed (normale. Reisegeschwindigkeit): Mach 0.80 / 851 km/h
Long range cruise speed (Langstrecken-Reisegeschwindigkeit): Mach 0.8 / 851 km/h
Maximum Mach number (max. Machzahl): Mach 0.88
Max. climb rate (max. Steigrate): 20,9 m/s at sea level
Take-off distance (Startstrecke): 1661 m at sea level, ISA, MTOW
Landing distance (Landestrecke): 972 m at SL, ISA, maximum landing weight
Initial cruise altitude (anfängliche Reiseflughöhe): 41000 ft (12500 m)
Maximum cruise altitude (Maximale Reiseflughöhe): 45000 ft (13715 m)
Range (Reichweite): 7820 km (4220 NM) at Mach 0.8, with 8 passengers and NBAA IFR reserves

Cost (Kosten)
Price estimated at roughly 24,6 million US-Dollars "green" in 1996 terms.

Customers (Kunden)
Total Gulfstream IV and IV-SP deliveries totalled more than 400 by the beginning of 2001. Recent deliveries were 37 in 2000, 39 in 1999, 32 in 1998 and 22 in 1997.
Known customers include:

  • Executive Jet International (43 IV-SPs ordered since January 1995)
  • National Jet Service (12, worth 335 million US-Dollars, ordered in 1998 for the Middle East Shares programme)
  • Egyptian Air Force (4, of which 2 delivered in November and December 1998 and two ordered in February 2000)
  • Gabonese government (1, delivered November 1998)
  • Saudi Arabia (1, ordered in 1998 for medical evacuation)
  • Sweden (2, equipped for electronic surveillance missions. Delivery was in 1995. The aircraft are named S 102B Korpen in Sweden)
  • US Air Force (2, delivered in 1994/95 to Andrews AFB. Designated C-20H)
  • US Navy (4, military desgnation C-20G, for long range operational support)
  • US Marine Corps (1, C-20G destroyed by hurrican on 2 February 1998)

Competitors (Konkurrenz)
Bombardier Global Express
Dassault Falcon 900EX

Remarks (Bemerkungen)
The Gulfstream IV-SP (Special Performance) is the latest iteration of the GIII and GIV lines of long range business jets. It features an improved payload (+ 1135 kg) and a better maximum landing weight (+ 3400 kg) with no increase in the empty weight, allowing a better payload/range performance.
Apart from the basic business jet version, the GIV/GIV-SP is built for military missions.
Together, the Gulfstream IVs and IV-SPs have established or broken 81 national and world flight records.
The GIV-SP offers a dispatch reliability of 99,7 percent.

History (Geschichte)
The GIV-SP was announces at the NBAA convention in Houston in October 1991. It flew for the first time on 24 June 1992 in the form of a converted GIV airframe. All aircraft sold after September 1992 are Gulfstream IV-SPs.
The original GIV flew for the first time on 19. September 1985. Three prototypes were used for the 1412 hour flight test programme leading to FAA certification on 22. April 1987. Major differences of the GIV compared with the GIII are:
  * redesgined wing with new low drag profile and lighter and less complex structure
   * increased tailplane span
   * 1,37 m fuselage stretch
   * Tay turbofans
   * EFIS flightdeck
   * digital avionics with integrated flight managment system
The 250th Gulfstream IV was completed in October 1994 in Savannah.
Production of the GIV-SP ended on December 3, 2002 with the roll-out of the 500th GIV-series aircraft, serial Number 1499. The GIV-SP was replaced in Gulfstream's portfolio by the G300 and G400 .

Technische Daten
Modell Gulfstream IV
Hersteller Gulfstream
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