Description
Dimensions & Weight
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Length: about 158 ft 8 in (48.36 m)
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Wingspan: 146 ft 2 in (44.55 m)
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Height: 39 ft 6 in (12.04 m)
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Wing area: ~2,851 sq ft (standard)
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Empty weight: ~139,500–147,000 lb (63,000–66,700 kg)
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Max takeoff weight: ~312,000–335,000 lb (~142,000–152,000 kg) depending on variant
Engines
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Powerplant: 4 × Rolls‑Royce Conway turbofan engines (rear‑mounted)
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Thrust: ~21,000–22,500 lb each, depending on model
Performance
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Maximum speed: ~580 mph (~933 km/h; Mach ~0.86)
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Cruise speed: ~550 mph (~886 km/h)
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Range: ~5,850 mi (~9,410 km) for standard airliner versions
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Service ceiling: ~43,000 ft (13,000 m)
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Takeoff field length: about 8,280 ft (2,520 m)
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Landing field length: about 6,380 ft (1,945 m)
Capacity
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Crew: typically about 4 flight crew + flight attendants
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Passengers: ~135–151 in airline layout
Design Notes
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4 engines mounted in pairs on the rear fuselage — this gave a clean wing and good short‑field performance.
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T‑tail design (horizontal stabiliser on top of vertical tail).
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