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| The improved Gulfstream III followed Gulfstream American's purchase of Grumman's GA lines in 1978. Changes compared with the GII include a revised wing of greater span and area with drag reducing winglets, more fuel tankage and thus range, re-profiled nose and a 97cm (3ft 2in) fuselage stretch. Production deliveries of GIIIs began in late 1980 and continued until 1986 when production ceased in favor of the Gulfstream IV. |
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| Seating (normal) |
14 |
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) |
5,100 |
| Output lbs ea. Flat Rating |
11,400 |
Landing Distance (ft) |
2,600 |
| Maximum Mach No. |
0.85 |
Max Range (fuel) (nm) |
3,521 |
| High Speed Cruise (Kts) |
488 |
Max Range (payload) (nm) |
3,022 |
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| Flight Time 300nm |
0 + 46 |
Flight Time 1000nm |
2 + 21 |
| Flight Time 600nm |
1 + 26 |
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| External |
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Internal |
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| Length (ft) |
83.10 |
Length (ft) |
41.30 |
| Height (ft) |
24.30 |
Height (ft) |
6.10 |
| Span (ft) |
77.80 |
Width: Max floor (ft) |
7.30 |
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