Lockheed L-1011 TriStar
Specifications

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