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| Gulfstream IIBs are GIIs retrofitted with the GIII's wing. The Gulfstream II and Gulfstream III are Spey powered developments of the original turboprop powered Gulfstream I. The Rolls-Royce Dart turboprop powered Grumman Gulfstream I enjoyed significant success as a large long range corporate transport, so the availability of an economical turbofan in the form of the Rolls-Royce Spey naturally meant that a jet powered successor was a logical development. Grumman launched such an aircraft, named the Gulfstream II (GII), in May 1965. While based on the original Gulfstream I, the GII shares the same forward fuselage and cross section, |
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| Seating (normal) |
10 |
Max Takeoff (lbs) |
69,700 |
| Seating (maximum) |
- |
Certified Ceiling (ft) |
45,000 |
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| Engines |
2 RR Spey Mk 511-8 |
To (Sealevel, ISA Temp) (ft) |
5,115 |
| Output lbs ea. Flat Rating |
11,400 |
Landing Distance (ft) |
3,250 |
| Maximum Mach No. |
0.85 |
Max Range (fuel) (nm) |
3,426 |
| High Speed Cruise (Kts) |
488 |
Max Range (payload) (nm) |
3,017 |
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| Flight Time 300nm |
- |
Flight Time 1000nm |
- |
| Flight Time 600nm |
- |
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| External |
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Internal |
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| Length (ft) |
79.90 |
Length (ft) |
33.90 |
| Height (ft) |
24.50 |
Height (ft) |
6.10 |
| Span (ft) |
72.80 |
Width: Max floor (ft) |
7.30 |
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