Boeing 767
The Boeing 767 is the widebody airliner with the narrowest fuselage cross section, with seven seats abreast in economy-class, divided by two aisles. The airliner is intended for medium-range flights with 200 to 300 passengers.
Boeing launched the 767 in 1978 after a United Airlines order for 30 aircraft and developed the airliner together with the narrowbody 757. Both types have the same digital two-crew EFIS-flightdeck and many other systems in common. High-lift leading edge slats and trailing edge flaps give the aircraft good take-off and landing characteristics.
The first version was the Boeing 767-200, which made its maiden flight on September 26 1981. A year later, in August 1982, United Airlines received its first aircraft and started commercial flying with it in September. A variant of the first 767-version was the 767-200ER (Extended Range) with higher gross weight and increased fuel capacity. Boeing delivered the first 767-200ER to El Al in March 1984. A total of 249 767-200s has been built.
The first stretched version of the Boeing 767 is the -300, which took to the air for the first time on January 30 1986. The fuselage is 6.42 m (21ft 1in) longer than that of the 767-200 and it can carry 218 to 328 passengers depending on cabin layout. In a high-density single class charter layout the number of passengers can be 351. The first customer for the 767-300 was JAL Japan Airlines, which took delivery of its first aircraft in September 1986.
 American Airlines was the first airline to order the 767-300ER (Extended Range) and received its first aircraft in February 1988. This variant became very popular on transatlantic services. With the 767-300ER airlines could offer higher frequencies than with big Boeing 747's and fly thinner routes to cities which otherwise wouldn't have intercontinental services.
Another variant of the Boeing 767-300 is the 767-300F freighter, which was launched in early 1993 after an order for 30 aircraft from United Parcel Service (UPS). UPS received the first aircraft in October 1995. The 767-300F has a large cargo door at the port side of the forward fuselage and a strengthened floor and undercarriage. This version doesn't have passenger windows. Until late 2007 Boeing sold more than 700 767-300's of all variants.
A further stretch is the Boeing 767-400ER, intended as a replacement for the McDonnell Douglas DC-10-30, the Lockheed TriStar and early Airbus A300 aircraft. The first flight took place on 9 October 1999. The fuselage is 6.43m (21ft 1in) longer than that of the 767-300 and the wingspan is widened by 3.66m (14ft 6in) through the addition of raked, highly-swept wingtip extensions. The renewed passenger cabin interior is based on that of the 777. The 767-400 isn't a sales success, however. Delta Air Lines and Continental Airlines are the only customers flying a total of 37 aircraft. Kenya Airways ordered three 767-400ERX aircraft with more range, but later switched this order in favour of the 777. The -ERX version was never built.
 After the year 2000 sales of the Boeing 767 slowed down and the aircraft lost market share to the competing Airbus A330-200. But since early 2007 there is a significant revival. Boeing won several new orders, including one for 27 767-300F's from UPS. Boeing also hopes to win a big order from the US Air Force for the KC-767, a tanker/transport aircraft based on the 767-200 fuselage but with improved elements from later 767 versions. A proposed new civil cargo version is the 767-200LRF (Long Range Freighter). The Italian Air Force was the first operator of the KC-767 (see photo). For Japan Boeing developed an AWACS-version of the 767 (Airborne Warning And Control System) with a large radar disk on top of the fuselage.
Several programmes have started to convert older 767 aircraft to freighters. Aviation Partners Boeing (APB) is developing blended winglets for the 767 and American Airlines is the first customer to have all its 58 767-300ERs fitted with them.
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Boeing 767-200ER - Specifications
Wingspan: 47.57 m (156ft 1in). Length: 48.51 m (159ft 2in). Height: 15.85 m (52ft).
Empty weight: 82,380 kg (181,610 lb). Max. take-off weight: 179,170 kg (395,000 lb).
Accommodation: 181-255 passengers. Range: 12,200 km (6,590 nm).
Operating speed: Mach 0.80 (530 mph, 851 km/h).
Engines: GE CF6-80C2B (276 kN - 62,100 lb) or P&W PW4056 (282 kN - 63,300 lb).
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Boeing 767-300ER - Specifications
Wingspan: 47.57 m 156ft 1in). Length: 54.94 m (180ft 3in). Height: 15.85 m (52 ft).
Empty weight: 90,010 kg (198,440 lb). Max. take-off weight: 186,880 kg (412,000 lb).
Accommodation: 218-350 passengers. Range: 11,065 km. (5,975 nm).
Operating speed: Mach 0.80 (530 mph - 851 km/u)
Engines: GE CF6-80C2B (276 kN - 62,100 lb), P&W PW4000 (282 kN - 63,300 lb)
or RR RB211-524G/H (265 kN - 59,500 lb).
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Boeing 767-400ER - Specifications
Wingspan: 51.92 m (170ft 4in). Length: 61.37 m (201ft 4in). Height: 16.80 m (55ft 4in).
Empty weight: 103,870 kg (229,000 lb). Max. take-off weight: 204,110 kg (450,000 lb).
Accommodation: 245-375 passengers. Range: 10,415 km (5,625 nm)
Operating speed: Mach 0.80 (530 mph - 851 km/u)
Engines: GE CF6-80C2B (282.5 kN - 63,500 lb), P&W PW4062 (280.9 kN - 63,140 lb).
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