El Faro probably suffered a cargo shift during its final voyage, an expert told US officials investigating the Tote Maritime ship's sinking during Hurricane Joaquin in November 2015.

The conclusion by Philip Anderson, the chief of the technical department at marine survey firm National Cargo Bureau, adds crucial new insight into loss of the  5,330-lane-metre containership/roro (built 1975), which killed 33 people when down and sparked one of the most comprehensive US shipping casualty investigations in recent memory.

Anderson,