SpaceX Starship’s Sonic Boom Creates Risk of Structural Damage, Test Finds

An independent researcher found that noise recorded miles away from the site of a recent test flight was equal to standing 200 feet from a Boeing 747 during takeoff.

SpaceX’s new Starship rocket far exceeds projected maximum noise levels, generating a sonic boom so powerful it risks property damage in the densely populated residential community near its South Texas launch site, new data suggests.

The measurements — of the actual sound and air pressure generated by the rocket during its fifth test launch last month — are the most comprehensive publicly released to date for Elon Musk’s Starship, the largest and most powerful rocket ever constructed.

Starship, as tall as a 30-story building, is so large that it generates 10 times as much noise as the Falcon 9 rocket that SpaceX now uses to get cargo and astronauts to orbit, the new data shows. SpaceX plans another test this week.

For residents of South Padre Island and Port Isabel, which are about six miles from SpaceX’s launch site in South Texas, the noise during the October test flight was the equivalent of standing 200 feet from a Boeing 747 plane during its takeoff, said Kent L. Gee, an independent acoustics engineer who conducted the monitoring.

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