Gulfstream II N17KW (sn 028) Photo taken July 29, 2010 @ Oshkosh (EAA AirVenture Fly-in), WI - USA (OSH / KOSH) Photo © Marcel Siegenthaler

The Gulfstream II is an American twin engine business jet built by Gulfstream Aerospace, and its US military designation is C-11 Gulfstream II. It has been succeeded by the C-20 Gulfstream III. A modified version of the C-11, called the Shuttle Training Aircraft (STA), mimics the cockpit configuration and flight characteristics of the Space Shuttle and is used by NASA as a training airplane for practice shuttle approaches (referred to as "dives").

Variants

• Gulfstream II
  Twin-engined excutive, corporate transport aircraft, with accommodation for up to 14 passengers, powered by two Rolls-Royce Spey RB.168 Mk 511-8 turbofan engines. 258 built.
• Gulfstream II TT
  Modified version with tip tanks.
• Gulfstream IIB
  Modified version, the wingleted wings of the Gulfstream III were fitted to the body of the Gulfstream II.
• VC-11A
  VIP transport version for the US Coast Guard. One built.

Operators

Military operators

• Morocco
  Royal Moroccan Air Force
• Nigeria
  Nigerian Air Force
• Oman
• Venezuela
• United States
  NASA
  United States Army
  United States Coast Guard

Civil Operators

The aircraft is operated by private individuals, companies, non-government organizations and executive charter operators. A number of companies also use the aircraft as part of fractional ownership programs.

Specifications

General characteristics
Crew: 2
Capacity: 19 (maximum certified)
Length: 79 ft 11 in (24.36 m)
Wingspan: 68 ft 10 in (20.98 m)
Height: 24 ft 6 in (7.47 m)
Wing area: 809.6 ft² (75.21 m²)
Empty weight: 36,544 lb (16.576 kg)
Gross weight: 65,500 lb (29,711 kg)
Powerplant: 2 × Rolls-Royce Spey 511-8 turbofan, 11,400 lbf (51 kN) each

Performance
Maximum speed: 581 mph (936 km/h)
Maximum speed: Mach 0.85
Cruise speed: 483 mph (778 km/h)
Range: 4,123 miles (6,635 km)
Service ceiling: 45,000 ft (13,715 m)