Midsize Business Jets
Gulfstream G800
ICAO: GA8C
Overview
The Lockheed JetStar was one of the first dedicated business jets developed in the United States. Known in military service as the C-140, it served both corporate and government roles. The aircraft introduced jet performance to executive travel in the early jet age.
Live Fleet Activity (C140)
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Specifications
Units
- Engine
- 4 × Garrett AiResearch TFE-731-3
- Engine type
- Turbofan
- Thrust
- 4 × 3,700 lbf · 16 kN
- Avionics
- —
- Wing tips
- No winglets
- Seats
- 10 economy · 8 business
- Crew
- —
- Cabin width
- 6 ft 2 in · 1.88 m
- Cabin height
- 6 ft 1 in · 1.85 m
- Cabin length
- 28 ft 2 in · 8.59 m
- Exterior length
- 60 ft 5 in · 18.42 m
- Tail height
- 20 ft 4 in · 6.20 m
- Fuselage diameter
- —
- Wing span
- 54 ft 6 in · 16.60 m
- Baggage volume
- —
- Gross weight
- —
- Empty weight
- —
- Max takeoff weight
- 44,500 lb · 20,200 kg
- Max landing weight
- —
- Max payload
- 2,800 lb · 1,300 kg
- Fuel capacity
- 2,650 gal · 10,100 L · 8,100 kg (Jet A)
- Max cruise speed
- 507 kt · 583 mph · 939 km/h
- Maximum speed
- —
- Cruise speed
- —
- Approach speed
- —
- Range
- 2,604 nm · 3,000 mi · 4,820 km
- Fuel burn
- 0.93 nm/gal · 0.45 km/L
- Ceiling
- 43,000 ft · 13,100 m
- Rate of climb
- 4,150 ft/min · 21 m/s
- Takeoff distance
- 4,950 ft · 1,510 m
- Landing distance
- 4,200 ft · 1,270 m
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Live fleet activity details
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Operational Context
Lockheed JetStar C-140 — early four-engine business jet
The JetStar first flew in 1957 as a private venture by Lockheed. Entering service in the early 1960s, it was among the earliest purpose-built business jets. The design featured a swept wing, T-tail, and initially four turbojet engines mounted on the rear fuselage.
Later variants adopted two turbofan engines for improved efficiency. Cruise speed was approximately 500 knots (925 km/h), with a maximum takeoff weight around 44,500 pounds (20,185 kg). The cabin typically accommodated up to ten passengers depending on configuration.
The U.S. Air Force operated the type as the C-140 for transport and liaison duties. Corporate operators valued its range and jet performance. The JetStar remains a landmark aircraft in the evolution of executive aviation.
Sources and references used for research and fact-checking.