The Marine Accident Investigation Unit

From 01st January 2026, the Marine Accident Investigation Unit (MAIU) will carry out Ireland’s statutory marine accident investigations, taking over from the Marine Casualty Investigation Board (MCIB) who from 01st January 2026 stand dissolved.

Any MCIB investigation that is an ongoing investigation when the Merchant Shipping (Investigation of Marine Accidents) Act 2025 comes into full effect will continue to be dealt with and determined by the MCIB investigator concerned or an MAIU investigator, pursuant to the relevant statutory provisions and modifications.

Any query can be addressed to the following email: info@maiu.gov.ie, notifications of marine accidents should be directed to the Investigator-on-call by telephone on +353 1 676 8139. This telephone is monitored 24 hours/day.

Notifications that are made to the MCIB after the 31st December 2025 will not constitute notifications under the Merchant Shipping (Investigation of Marine Accidents) Act 2025. If in doubt, please contact the MAIU by email: info@maiu.gov.ie or by telephone +353 1 604 0578 during normal business hours.