The Olympus 593 was the soul of Concorde; it was its heartbeat and the force that let it slice through the skies at Mach 2.

A French enthusiast group borescoped the engines of a Concorde supersonic airliner on display at the Le Bourget Air and Space Museum outside Paris and found them to be in perfect condition internally.

Air France officials Thursday acknowledged the airline had not made a design change intended to reduce the chance that tire blowouts on the Concorde would damage the supersonic aircraft. British ...