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Aviation History
1999
1999 - 2621.PDF
C?^?»W!W£w«Cs#i«» f%BjJSsjiJ-ix' J —JJJ!SLis* I-LJ. is not expected to rule out further weight/thrust increases of 777 versions equipped with the R- RTrent 800 or P&W PW4098. Production The 777 is built at Everett, Washington, and 74 aircraft were delivered in 1998. Production peaked at seven a month dur ing 1998 and is dropping back to five a month from later in 1999. Ordered Delivered 429 223 LARGE AIRPLANE PRODUCT DEVELOPMENT (LAPD) BOEING CONTINUES to study all-new large aircraft concepts under the project name Large Airplane Product Development (LAPD) in parallel with 747-based derivative proposals. Since backing away from its New Large Airplane (NLA) activities in 1995, Boeing has publicly poured all its product development energies into 747 derivatives. LAPD studies are understood to include a variety of concepts and configurations, ranging from 747 "lookalikes", a 777-based quadjet and revised NLAs, to designs based on the former MDC AID-12 quad-jet and unconventional configurations like the Blended Wing Body. FORMER MCDONNELL DOUGLAS TYPES (IN PRODUCTION) FOLLOWING BOEING'S merger with McDonnell Douglas (MDC), all of the latter company's current airliner models are marketed under the Douglas Products Division banner. In November 1997, Boeing announced its deci sion to terminate production of the MD-80/90, with assembly set to end by 2000. In January 1998, the MD-95 was redesignated the 717 to bring it into line with the Boeing nomenclature, and in June 1998 Boeing announced thatMD- 11 production would cease in 2000. MD-80 DEVELOPED FROM the DC-9 twinjet, the v ttMNNMtfBt - Production of the MD-90 will cease next year MD-80 series began as the DC-9 Super 80, and the 155-seat one-class (135-seats, two-class) basic version, dubbed the DC-9-81 (since renamed the MD-81), entered service with Swissair in September 1980. A similarly sized "hot-and-high" version, the MD-82, entered service in August 1981, followed by the extend ed-range A1D-83, which was certificated in October 1985. The short-fuselage 114-130- seat MD-87 entered service in late 1987, but production ceased in 1992 after 75 had been delivered. The most recent derivative of the family is the MD-88, which is dimensionally identical to the A1D-81/82/83 and was put into service by Delta Air Lines in January 1988. It has an upgraded cockpit, wider use of composite materials and a redesigned passenger cabin. Production Final assembly is undertaken at the former Douglas Aircraft plant in Long Beach, near Los Angeles, on a joint line shared with the MD-90. An assembly line was also set up in Shanghai (see SAIC). Boeing delivered 42 MDC twinjets from the Long Beach line in 1998, including eight MD- 80s and 34 MD-90s. Production is running at about three aircraft a month and is due to cease next year. Ordered Delivered MD-90 1,191 (MD-80) 1,173 (MD-80) THE MD-90 IS A slightly stretched, re- engined development of die longbody MD-80, powered by LAE V2500-D5 engines. The air craft also has an upgraded EFIS flightdeck, a redesigned passenger cabin and carbon brakes. The MD-90 had its first flight in August 1993, and entered service with Delta in April 1995. Saudi Arabian Airlines became the first customer to take delivery of an MD-90 equipped with Honeywell's Pegasus advanced FMS, which was delivered on aircraft in late 1997. An assembly line was also established in in Shanghai which was to produce the MD-90T TrunkLiner (see SAIC). Production See MD-80 Ordered Delivered MD-11 134 (including 20 MD-90 TrunkLiners) 104 With MD-11 production ceasing, freight operators are acquiring ex-passenger models for conversion THE MD-11 WENT into production in December 1986, becoming the first of the cur rent generation of long-haul widebodies to go ahead. Essentially a stretched development of the DC-10 tri-jet equipped with new genera tion engines and a two-crew flightdeck, the first MD-11 was flown in January 1990, and Finnair introduced the type into revenue service in December the same year. Both GE CF6-80- and P&W PW4000- powered versions have been delivered. An R-R Trent version was also planned but did not pro ceed. Although the MD-11 gained several significant customers early on, sales quickly tailed off as die battle for the long-haul market intensified, with die all-new Airbus A340 and Boeing 777 entering the fray. The 295-seater initially struggled to meet its original perfor mance targets, forcing MDC to introduce aero dynamic and structural changes. The last variant to be launched, the MD-11ER, exceeds the original specification by being able to carry its specification payload of 2 98 passengers more than 13,340km. From the start of the programme, MDC offered a freighter version, which was intro duced by FedEx in May 1991. Combi and con vertible passenger/freighter versions have also been delivered. Boeing Aerospace offers an after-market cargo conversion, and a number of ex-passenger aircraft have been converted or are earmarked for conversion. Despite the obvious conflict between the 52 FLIGHT INTERNATIONAL 1 - 7 September 1999
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