
Lockheed L-2000
Proposed US supersonic airliner design

Proposed US supersonic airliner design
The Lockheed L-2000 was Lockheed Corporation's entry in a government-funded competition to build the United States' first supersonic airliner in the 1960s. The L-2000 lost the contract to the Boeing 2707, but that competing design was ultimately canceled for political, environmental and economic reasons. In 1961, President John F. Kennedy committed the government to subsidize 75% of the development of a commercial airliner to compete with the Anglo-French Concorde then under development. The director of the Federal Aviation Administration (FAA), Najeeb Halaby, elected to improve on the Concorde's design rather than compete head-to-head with it. The SST, which might have represented a significant advance over the Concorde, was intended to carry 250 passengers (a large number at the time, more than twice as many as the Concorde), fly at Mach 2.7-3.0, and have a range of 4,000 mi (7,400 km). The program was launched on June 5, 1963, and the FAA estimated that by 1990 there would be a market...
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