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Boeing 747SP

The 747SP, for special performance, is the short 747: 184 ft 9 in long, which is 48 ft 5 in shorter than the standard airplane, on the same 195 ft 8 in wing, with a taller fin and a wider horizontal tail. Boeing's planning document says it can fly higher, faster and farther than any other wide-body of its time, for long routes that did not need a full-size 747. Its basic layout seats 331, with 28 in first class, and takeoff weights run from 630,000 to 696,000 pounds. Engines were Pratt & Whitney JT9D-7, Rolls-Royce RB211-524 or General Electric CF6-45. It has no main-deck cargo door option.

Seats
About 331 in two classes
Engines
Four Pratt & Whitney JT9D-7, Rolls-Royce RB211-524C2 or General Electric CF6-45A2/B2 turbofans under the wings
Max takeoff weight
696,000 lb (315,600 kg)
Boeing 747SP seen from above: length 184 ft 9 in (56.31 m), wingspan 195 ft 8 in (59.64 m)
Boeing 747SP seen from the side: height 65 ft 10 in (20.06 m)
Top view: cwsi.net, from published dimensions (a schematic, not to exact detail). Side view: cwsi.net

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Specifications

Length184 ft 9 in (56.31 m)
Wingspan195 ft 8 in (59.64 m)
Height65 ft 10 in (20.06 m)
Fuselage width21 ft 4 in (6.50 m)
Fuel capacity48,770 US gal (184,630 L)
StatusStill flying with a few operators
Type codesICAO B74S

Sources