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  4.  » Boom XB-1 Achieves Supersonic Flight—First Time Since Concorde In 2003

Jim Clash – Forbes Jan 28, 2025

Today, for the first time since Concorde was retired in 2003, a commercial-type aircraft, the XB-1, went supersonic, touching Mach 1.1 three times during its one-half-hour test flight out of California’s Mojave Air And Space Port.

The XB-1 first flew in March 2024, with 10 more tests under its belt since – until today. The fastest of those previous flights was Mach .95, earlier this month.

Boom Technology, a U.S. company that developed XB-1, is building a bigger aircraft, Overture, a 64- to 80-seat affair (Concorde had 100 seats), for commercial operations. It says Overture will approach Mach 1.7 and should be ready in a few years. Airlines that have expressed interest include American, Japan Airlines and United.

In the meantime as with Concorde, the XB-1 test model can’t fly supersonic over land in the U.S. because of the powerful sonic boom. Today’s test over land was specially-sanctioned by the FAA. Overture’s goal is to have a quieter sonic boom footprint, and therefore might be able to fly over land as well as water, says a Boom spokesperson.

In 2003, I flew on one of the last flights of Concorde. We went supersonic – Mach 2 – up to 60,000 feet over to Bermuda and back from New York’s JFK Airport in, get this, under an hour, wheels up to touchdown.

At the time, I wrote about it for Forbes. My title, sadly, was, “One Giant Leap Backward For Mankind,” as no other commercial airline had a supersonic replacement for Concorde.

So kudos to Boom Technology for finally stepping up after 22 long years. It’s one giant leap forward for mankind this time. More news to come.

 

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