Previously, United Airlines also placed an order with Boom.
for its Overture aircraft, including an extra engine, a contoured fuselage, and gull wings. The full-scale Overture will be 205 feet long, have a cruising altitude of 60,000 feet, and achieve speeds of Mach 1.7.
Boom has said the jets will be “net-zero carbon” and optimized to run on 100 percent sustainable aviation fuel. But so far, the company has yet to provide additional details about what kinds of fuel they would be using or how they would achieve net-zero carbon emissions. Environmental groups are worried that faster speeds will equate to more pollution. The global aviation industry produces around 2 percent of all human-induced CO2 emissions, but supersonic jets are known to be far more polluting. Boom says it will be carbon neutral as a goal, but simply put, it takes more fuel to go faster.
Boom is behind schedule with its XB-1 demonstrator, having promised to begin test flights by 2017 in the hopes of ferrying real passengers in 2020. The demonstrator recently entered taxi testing at Centennial Airport and is expected to fly for the first time this year, the company said. Boom is also testing new technologies that could muffle the sonic boom that occurs when a supersonic airplane breaks the sound barrier.Boom Supersonic raised $270 million in investment cash, not $240 million.
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