Gulfstream IV-SP

The Gulfstream IV-SP (Special Performance) is a legendary intercontinental heavy jet that redefined the standard for large-cabin business travel. Introduced in 1992 as an upgrade to the original G-IV, it features improved takeoff and landing weight capacities, allowing for more mission flexibility and greater payload-range capabilities.

1. Performance & Range

The GIV-SP is designed for long-range international missions, capable of linking major global hubs such as New York to London or Geneva to Dubai non-stop.

  • Maximum Range: 4,220 nm (~7,815 km)
  • High-Speed Cruise: Mach 0.85 (488 ktas / 561 mph)
  • Normal Cruise Speed: Mach 0.80 (459 ktas)
  • Maximum Operating Altitude: 45,000 ft (13,716 m)
  • Takeoff Distance (MTOW): 5,280 ft (1,609 m)
  • Landing Distance: 3,386 ft (1,032 m)

2. Interior & Cabin Dimensions

The GIV-SP is famous for its spacious “stand-up” cabin, typically divided into three distinct living areas (Forward, Mid, and Aft) for maximum privacy and comfort.

  • Passenger Capacity: 12–16 (certified for up to 19)
  • Cabin Height: 6.1 ft (1.85 m)
  • Cabin Width: 7.3 ft (2.23 m)
  • Cabin Length: 45.1 ft (13.74 m)
  • Baggage Capacity: 169 cubic feet (fully accessible in-flight)
  • Amenities: Large signature oval windows (12 total), full-size aft galley, and an enclosed lavatory

3. Weights & Capacities

The “SP” designation specifically highlights the increased weight limits over the standard G-IV model.

  • Max Takeoff Weight (MTOW): 74,600 lbs (33,838 kg)
  • Max Landing Weight: 66,000 lbs (29,937 kg)
  • Maximum Payload: 5,300 lbs (2,404 kg)
  • Fuel Capacity: 29,500 lbs (13,381 kg)

4. Technical Systems

  • Engines: 2 × Rolls-Royce Tay Mk 611-8 turbofans
  • Thrust: 13,850 lbf each (27,700 lbf total)
  • Avionics: Honeywell SPZ-8000 suite with a 6-tube EFIS (Electronic Flight Instrument System)
  • Notable Features: One of the first business jets to feature an all-glass cockpit and advanced Flight Management Systems (FMS) for global navigation

The Gulfstream IV-SP remains one of the most respected names in the sky. With its spacious “stand-up” cabin and proven ability to cross oceans with ease, it is a premier choice for those who value time, comfort, and a world-class travel experience.

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