Heavy Business Jets
Gulfstream G650
ICAO: GLF6
Overview
The Gulfstream G450 entered service in the mid-2000s as a refined development of the earlier GIV-SP platform. Designed to offer long-range capability with modern avionics, it became a core model in Gulfstream’s large-cabin lineup. The aircraft balanced transoceanic performance with proven systems architecture.
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Specifications
Units
- Engine
- 2 × Rolls Royce Tay Mk 611-8C
- Engine type
- Turbofan
- Thrust
- 2 × 13,850 lbf · 62 kN
- Avionics
- PlaneView Cockpit , Honeywell Primus Epic avionics
- Wing tips
- Blended tips
- Seats
- 16
- Crew
- —
- Cabin width
- 7 ft 4 in · 2.24 m
- Cabin height
- 6 ft 2 in · 1.88 m
- Cabin length
- 44 ft 11 in · 13.70 m
- Exterior length
- 89 ft 4 in · 27.23 m
- Tail height
- 25 ft 2 in · 7.67 m
- Fuselage diameter
- 7 ft 10 in · 2.40 m
- Wing span
- 77 ft 9 in · 23.70 m
- Baggage volume
- 170 ft³ · 4.8 m³
- Gross weight
- —
- Empty weight
- —
- Max takeoff weight
- 74,500 lb · 33,800 kg
- Max landing weight
- 66,000 lb · 29,900 kg
- Max payload
- 6,000 lb · 2,700 kg
- Fuel capacity
- 4,400 gal · 16,700 L · 13,300 kg (Jet A)
- Max cruise speed
- 505 kt · 581 mph · 935 km/h
- Maximum speed
- —
- Cruise speed
- —
- Approach speed
- 139 kt · 160 mph · 257 km/h
- Range
- 4,350 nm · 5,010 mi · 8,060 km
- Fuel burn
- 0.98 nm/gal · 0.48 km/L
- Ceiling
- 45,000 ft · 13,700 m
- Rate of climb
- 4,000 ft/min · 20 m/s
- Takeoff distance
- 5,600 ft · 1,710 m
- Landing distance
- 3,250 ft · 990 m
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Operational Context
Gulfstream G450 — long-range large-cabin business jet
The G450 first flew in 2003 and entered service in 2004. Although derived from the GIV family, it incorporated a redesigned flight deck and aerodynamic refinements. Gulfstream positioned the aircraft as a dependable intercontinental platform capable of linking major business centers nonstop.
Two Rolls-Royce Tay turbofan engines, each producing approximately 13,850 pounds of thrust (61.6 kN), power the aircraft. Typical cruise speed is around Mach 0.80, with high-speed cruise near Mach 0.88. Maximum takeoff weight exceeds 74,000 pounds (33,566 kg), and range approaches 4,350 nautical miles (8,056 km).
The G450 became widely adopted by corporate flight departments and government operators. Its combination of cabin comfort and proven reliability supported long production runs until the mid-2010s. The model represents one of Gulfstream’s most successful transitional large-cabin jets.
Sources and references used for research and fact-checking.