Welcome to the website of the MAIB

The Marine Accident Investigation Branch (MAIB) examines and investigates all types of marine accidents to or on board UK ships worldwide, and other ships in UK territorial waters.

MAIB Noticeboard
Olivia Jean

MAIB Investigation Report

Olivia Jean - published 26 August 2010

Key issues:

  • Crush injury to a crewman recovering a trawl beam on board a scallop dredger.
  • The safe operation of fishing gear, including risk assessment, hours of work and rest, and the application of LOLER.
  • Ensuring that stability criteria are not reduced below safe limits.
  • The effective administration of UK fishing vessel surveys, and the provision of effective regulatory guidance to the fishing industry.

Read full report


MAIB Investigation Report & Flyer to the Shipping Industry

Bro Arthur - published 19 August 2010

Key issues:

  • Awareness of H&S responsibilities in relation to the employment of shore contractors while on board.
  • Reporting concerns on the fitness of a shore contractor.
  • Tank entry risk assessments and the use of safety harnesses/fall arrestors where appropriate.
  • Suitability of atmosphere sampling equipment prior to tank entry.

Read full report & flyer to the shipping industry


Current investigations
This section contains a list of the investigations currently underway in the branch:

Current investigations

Publications and information
For detailed MAIB reports including downloadable and printable documents go to:

MAIB Publications

MAIB Safety Digests

Investigation Reports by Year

Investigation Reports by Vessel Category

Investigation Reports by Incident

Reports Listed Alphabetically

MAIB Accident Flyers

MAIB Annual Reports


Any requests for information received by MAIB are answered in accordance with the Freedom of Information Act 2000 or the Environmental Information Regulations 2004.

Freedom of Information Act


How to report an accident
By law accidents, including major injuries, must be reported to the MAIB by the quickest possible means. This is so they can be investigated immediately before vital evidence decays, is removed or is lost.

For further information go to the:


Report an accident section