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| Gulfstream II | |
|---|---|
| Name | Gulfstream II |
| Type | Business jet |
| Manufacturer | Gulfstream Aerospace |
| First flight | 4 October 1966 |
| Introduced | 1967 |
| Status | Retired/operational in limited numbers |
Gulfstream II is a long-range, twin-engine business jet developed by Grumman Aerospace subsidiary Gulfstream Aerospace during the 1960s, derived from the Grumman Gulfstream I turboprop and influenced by developments at Lockheed Corporation and Boeing. The program intersected with programs at NASA and procurement interests from United States Air Force and civil operators such as Pan American World Airways and British Airways, leading to widespread use by corporate, governmental, and military users across North America, Europe, Asia, and Africa.
The design evolved from the earlier Grumman Gulfstream I with a low-wing configuration, fuselage cross-section adaptations from Convair 990, and aerodynamic refinements inspired by studies at NASA Langley Research Center, MIT and Caltech. Early conceptual work involved liaison with Lockheed Martin engineers and testing facilities at the National Advisory Committee for Aeronautics archives; the prototype first flew on 4 October 1966, powered by paired Rolls-Royce Spey turbofan engines similar to engines used on the British Aerospace 146 and McDonnell Douglas DC-10 programs. Airframe features such as swept wings, high-lift flaps influenced by research from Royal Aerospace Establishment and avionics suites referencing systems developed by Honeywell International and Rockwell Collins resulted in certification by the Federal Aviation Administration and entry into service with corporate operators and government agencies.
The type entered service in the late 1960s with operators including multinational corporations like General Electric, DuPont, and sovereign customers such as the Government of Pakistan and the United States Navy for VIP transport roles. Variants served in specialized roles for organizations including NASA research flights, Royal Air Force liaison duties, and as platforms for airborne systems by contractors like Raytheon and Lockheed Martin. The airframe proved popular for transcontinental and transatlantic flights, operating alongside contemporary types such as the Dassault Falcon 10, Cessna Citation I, and Bombardier Challenger series on long-range missions for CEOs, heads of state, and scientific teams.
Several variants were produced or modified by firms such as Grumman Aerospace and aftermarket firms including FlightSafety International and Gulfstream Aerospace subsidiaries. Production models included corporate transport versions with interior layouts influenced by designers who had worked for Herman Miller and Eero Saarinen-style firms, maritime patrol conversions used by navies comparable to conversions of the Lockheed P-3 Orion, and electronic reconnaissance examples analogous to Boeing RC-135 alterations. Special mission adaptations were fitted with sensors procured from Northrop Grumman and communication suites from Thales Group and BAE Systems for users such as the Royal Canadian Air Force and the United States Air Force.
Typical specifications for the model include twin Rolls-Royce Spey turbofan engines, cruise speeds comparable to jets like the Hawker Siddeley Trident and service ceiling in the vicinity of contemporary types such as the Boeing 737-100. Range and performance figures paralleled those sought by corporate flyers represented by firms like J. P. Morgan and ExxonMobil, enabling nonstop routes similar to those flown by later business jets from Bombardier and Embraer. Avionics packages were often upgraded with systems supplied by Honeywell International, Garmin, and Rockwell Collins, while structural maintenance programs referenced standards set by the Federal Aviation Administration and maintenance organizations such as Lufthansa Technik and Satair.
Aircraft of this type have been involved in incidents recorded by safety bodies including the National Transportation Safety Board and international authorities in regions covered by International Civil Aviation Organization oversight. Notable events drew attention from media outlets like the BBC and The New York Times and prompted investigations by agencies including U.S. Navy safety boards, with factors often analyzed in reports produced by consultants from Boeing and Airbus safety groups. Lessons learned influenced modifications implemented by service centers such as General Dynamics and training programs offered by FlightSafety International and CAE Inc..
Civil and governmental operators spanned corporate fleets owned by companies such as IBM, Ford Motor Company, and Shell Oil, state operators including the French Air Force and Government of Saudi Arabia, and research institutions like NASA and university flight departments associated with Stanford University and Princeton University. Military users included units within the United States Navy, Royal Air Force, Royal Australian Air Force and air arms of nations across South America such as Brazilian Air Force and Argentine Air Force.
Category:Business jets Category:Gulfstream aircraft Category:1960s aircraft