Aerospace in 1988: U.S. Planes
Aerospace in 1988: U.S. Planes began some flight tests for some new models. In the meantime, a major derivative of the proven Boeing 747 began flight tests in the spring of 1988. The Boeing 747-400 transport differs from its predecessors in having longer wings with 6-foot-high winglets at the tips. Along with several aerodynamic refinements and added fuel capacity, the new 747-400 possesses a much greater range. In addition, the new version features a two-place cockpit and considerably more computerized systems aboard. Similarly, McDonnell Douglas proceeded with the MD-11 wide-body trijet, a major derivative of the DC-10. Both companies also continued extensive flight tests of airliners powered by propfan systems. Aerospace in 1988 as it concerns U.S. Planes saw some improvements in new models particularly in aerodynamic refinements and fuel capacity.
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