American Airlines to buy 20 jets from Boom Supersonic

American Airlines will buy up to 20 jets from Boom Supersonic, an aircraft maker that aims to commercialize supersonic, and super-fast, flight. Boom’s Overture four-engine jets promise speeds of up to Mach 1.7 over water, which is twice the speed of today’s fastest commercial aircraft — meaning the jet can fly from Miami to London […]...