De Havilland Comet - Specifications

Specifications

Comet 1 Comet 2 Comet 3 Comet 4
Cockpit crew 4 (2 pilots, flight engineer and radio operator/navigator)
Passengers 36–44 36–44 58–76 56–81
Length 93 ft (28 m) 96 ft 1 in (29.29 m) 111 ft 6 in (33.99 m) 111 ft 6 in (33.99 m)
Wingspan 115 ft (35 m)
Tail height 29 ft 6 in (8.99 m)
Wing area 2,015 sq ft (187.2 m2) 2,015 sq ft (187.2 m2) 2,015 sq ft (187.2 m2) 2,121 sq ft (197.0 m2)
Airfoil NACA 63A116 mod root, NACA 63A112 mod tip
Maximum takeoff weight (MTOW) 110,000 lb (50,000 kg) 120,000 lb (54,000 kg) 150,000 lb (68,000 kg) 156,000 lb (71,000 kg)
Operating range (typical performance) 1,500 mi (1,300 nmi; 2,400 km) 2,600 mi (2,300 nmi; 4,200 km) 2,700 mi (2,300 nmi; 4,300 km) 3,225 mi (2,802 nmi; 5,190 km)
Cruising speed 740 km/h (400 kn; 460 mph) 790 km/h (430 kn; 490 mph) 840 km/h (450 kn; 520 mph) 840 km/h (450 kn; 520 mph)
Cruise altitude 42,000 ft (13,000 m) 42,000 ft (13,000 m) 45,000 ft (14,000 m) 42,000 ft (13,000 m)
Powerplants (x 4) Halford H.2 Ghost 50 turbojets: 5,000 lbf (22,000 N) Rolls-Royce Avon Mk 503/504 turbojets: 7,000 lbf (31,000 N) Rolls-Royce Avon Mk 502/521 turbojets: 10,000 lbf (44,000 N) Rolls-Royce Avon Mk 524 turbojets: 10,500 lbf (47,000 N)

Sources: Jane's All The World's Aircraft 1965–66, De Havilland Aircraft since 1909, and Flight International.

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