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Speed record broken: the X-43A flies at nearly 5,000 mph
Washington, USA - The flight of the hypersonic Nasa/Boeing aircraft succeeded
![](https://avionews.it/resources/big/8e725c1644b31ef76cda94061833453c.jpg.webp)
The testing of the X-43A, the hypersonic unmanned airplane by Nasa and Boeing, planned for last Saturday (see AVIONEWS) was successful: the aircraft streaked above the Pacific Ocean at nearly 5,000 mph - surpassing the Mach 7 threshold, that is seven times the speed of sound - for 11 seconds, remaining airborne fo six minutes and eventually sinking into the ocean off the coast of California. The flight...
AVIONEWS - World Aeronautical Press Agency - 60831
AVIONEWS - World Aeronautical Press Agency
AVIONEWS - World Aeronautical Press Agency