Commodore Control-System Failure: Why Backup Controls Must Be Usable

A full case study of the passenger ferry Commodore grounding, focused on control-system software, failed display media, backup controls, emergency response, and yacht automation lessons.

Investigation File

By YachtByte Editorial

Incident investigation

Intermediate

8 min read

Reviewed Jun 30, 2026

Systems & Roles

PLCs, HMIs, control servers, propulsion-control interfaces, PMS, VMS, vendor laptops, engineering workstations, bridge control stations, backup controls

Automation Vendor AV/IT Captain Chief Engineer DPA ETO Yacht Manager

Case Structure

Incident summary
Source material
Timeline
Systems involved
Technical factors
Human factors
Lessons for yachts
Preventative controls