OceanGate’s former operations boss told the panel earlier this week the sub was a huge risk and the company was only focused on profit.
David Lochridge also painted an unflattering picture of the firm’s founder, Stockton Rush, saying he would “fly off the handle” and had a “total disregard for safety”.
In one incident, he said Mr Rush crashed the sub into a wreck site and threw the PlayStation controller used to pilot the vehicle at his head.
Three Britons died in the incident – adventurer Hamish Harding and father and son Shahzada and Suleman Dawood
Mr Rush and Frenchman Paul-Henri Nargeolet were also killed instantly when the craft was crushed by the pressure of the ocean.
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Tail cone pictured at bottom of Atlantic
OceanGate’s scientific director Steven Ross is expected to give evidence on Thursday, as is Renata Rojas, a mission specialist for the American company.
The firm suspended operations after the disaster and now has no full-time staff but is being represented by a lawyer during the US Coast Guard hearing.
Titan lost contact with its support ship on 18 June last year, prompting a search in the Atlantic that made global headlines.
However, the wreck was found four days later 300m from the Titanic’s bow. The sub had been making voyages to the site of the legendary shipwreck since 2021.