The McDonnell Douglas MD-12 was an aircraft design study undertaken by the McDonnell Douglas company in the 1990s for a "superjumbo" aircraft. Had it been built, it would have been similar in size to the Boeing 747, but with a higher passenger capacity.
McDonnell Douglas studied improved, stretched versions of the trijet MD-11, named MD-12X with a possible lower-front passenger deck with panoramic windows. The MDC board of directors agreed in Oct...
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The McDonnell Douglas MD-12 was an aircraft design study undertaken by the McDonnell Douglas company in the 1990s for a "superjumbo" aircraft. Had it been built, it would have been similar in size to the Boeing 747, but with a higher passenger capacity.
McDonnell Douglas studied improved, stretched versions of the trijet MD-11, named MD-12X with a possible lower-front passenger deck with panoramic windows. The MDC board of directors agreed in October 1991 to offer the MD-12X design to airlines. MD-12X had a length of 237 ft 11 in (72 m) and wingspan of 212.5 ft (64.39 m). In November 1991, McDonnell Douglas and Taiwan Aerospace Corporation signed a Memorandum of Understanding to form a company to produce the new design. The new company would have McDonnell Douglas as the majority shareholder (51%) with Taiwan Aerospace (40%) and other Asian companies (9%) having the remaining shares.
The design then grew into the much larger MD-12 with four engines and two passenger decks extending...
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