| 1 | A | B | C | D |
| --- | --- | --- | --- | --- |
| 2 | Lockheed L-1011 TriStar - Specifications |  |  |  |
| 3 | Variant | L-1011-1 | L-1011-200 | L-1011-500 |
| 4 | Cockpit crew | Three | Three | Three |
| 5 | Seating | 256 (mixed-class) | 256 (mixed-class) | 246 (mixed-class) |
| 6 | Exit limit | 400 | 400 | 330 |
| 7 | Interior width | 18 feet 11 inches (5.77 m) | 18 feet 11 inches (5.77 m) | 18 feet 11 inches (5.77 m) |
| 8 | Length | 177 ft 8 1⁄2 in (54.17 m) | 177 ft 8 1⁄2 in (54.17 m) | 164 ft 2 1⁄2 in (50.05 m) |
| 9 | Wingspan | 155 ft 4 in (47.35 m) | 155 ft 4 in (47.35 m) | 164 ft 4 in (50.09 m) |
| 10 | Height | 55 ft 4 in (16.87 m) | 55 ft 4 in (16.87 m) | 55 ft 4 in (16.87 m) |
| 11 | Wing area | 3,456 sq ft (321.1 m2) | 3,456 sq ft (321.1 m2) | 3,541 sq ft (329.0 m2) |
| 12 | MTOW | 430,000 lb (200,000 kg) | 466,000 lb (211,374 kg) | 510,000 lb (231,332 kg) |
| 13 | OEW | 241,700 lb (110,000 kg) | 248,400 lb (113,000 kg) | 245,400 lb (111,000 kg) |
| 14 | Fuel capacity | 23,814 US gal (90,150 l) | 26,502 US gal (100,320 l) | 31,642 US gal (119,780 l) |
| 15 | Engines (×3) | Rolls-Royce RB211-22 | RB.211-524B | RB.211-524B |
| 16 | Thrust (×3) | 42,000 lbf (187 kN) | 50,000 lbf (222 kN) | 50,000 lbf (222 kN) |
| 17 | Mmo | Mach 0.90 (516 kn; 956 km/h) | Mach 0.90 (516 kn; 956 km/h) | Mach 0.90 (516 kn; 956 km/h) |
| 18 | Cruise | 520 kn (963 km/h) | 515 kn (954 km/h) | 525 kn (972 km/h) |
| 19 | Stall | 108 kn (200 km/h) | 110 kn (204 km/h) | 114 kn (211 km/h) |
| 20 | Range | 2,680 nmi (4,963 km) | 3,600 nmi (6,667 km) | 5,345 nmi (9,899 km) |
| 21 | Ferry range | 4,250 nmi (7,871 km) | 4,935 nmi (9,140 km) | 6,090 nmi (11,279 km) |
| 22 | Ceiling | 42,000 ft (12,800 m) | 42,000 ft (12,800 m) | 43,000 ft (13,100 m) |

Question: What are the length and wingspan of the TriStar 500, and how does it compare to the TriStar 1?
Answer: The TriStar 500 has length of 164 feet and wingspan increased to 164 feet 4 inches (50.09 m) (early TriStar versions originally had the TriStar 1 wing with a span of 155 feet 4 inches (47.35 m)).