DALLAS (AP) — American Airlines has agreed to buy up to 20 supersonic jets and put down a non-refundable deposit on the planes that are still on the drawing board and years away from flying. Neither American nor the manufacturer Boom Supersonic would provide financial details Tuesday, including the amount of American's deposit.
Skeptics have questioned Boom’s ambitious timetable, especially in light of the many years it has taken Boeing, an established manufacturer, to get planes or even retrofits to planes approved by the Federal Aviation Administration.
“With a supersonic jet, you don’t design a plane, you design an engine first,” said Richard Aboulafia, an aerospace analyst at consultant AeroDynamic Advisory. “This is just a collection of freehand drawings until that engine happens.” Boom, which is based in Denver and plans to build the Overture in North Carolina, says the program will cost between $6 billion and $8 billion. The plane carries a list price of $200 million, although other manufacturers routinely give airlines deep discounts.to make it simpler and less expensive to build and maintain. The most striking change was going from three engines, including a different type on the tail, to four identical engines under the delta-shaped wings.
Four-engine planes “are that much worse from every standpoint, from economics to emissions,” Aboulafia said. “Nobody wants more engines, the answer is fewer engines.”
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