A whistleblower raised safety concerns about OceanGate’s submersible in 2018

> “The vast majority of marine (and aviation) accidents are a result of operator error, not mechanical failure,” it reads. “As a result, simply focusing on classing the vessel does not address the operational risks. …”

The low occurrence of mechanical failure results from rigorous manufacturing, testing, and inspection. No one should have trusted their life to someone displaying such flawed reasoning.

> “visible flaws” in the carbon fiber supplied to OceanGate raised the risk of small flaws expanding into larger tears during “pressure cycling.”