[dingaling]

> there are no active commercial aircraft capable of going supersonic.

Both the Cessna Citation TEN and the Bombardier Global 8000 were taken supersonic during test flights, as they have to demonstrate stability at speeds of M0.07 greater than max cruise.

They aren't certificated to do it in service, but structurally and aerodynamically have no problem.

Long-range business jets have been pushing aeronautical boundaries well beyond the mundane airliner state-of-the-art.