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
Ernest Bevin

MAIB Investigation Report

Ernest Bevin - published 16 August 2012

Key issues:

  • Crew man was dragged against the bulwarks and overboard after becoming ensnared in a bight of rope which had caught in a propeller.
  • Supervision at the time of the accident was inadequate.
  • Communications between the master and the deck were inadequate.
  • Company procedures were not in place for a routine but hazardous operation.
  • Risk assessments were unsuitable and insufficient.

Read Ernest Bevin report


New Merchant Shipping (Accident Reporting and Investigation) Regulations 2012

The Merchant Shipping (Accident Reporting and Investigation) Regulations 2012 came into force on 31 July 2012.

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

Current investigations

Publications and information
For free email alert subscription to notify you electronically each time the MAIB produces a new publication go to:

MAIB Email Alert Subscription

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 Safety Flyers

MAIB Annual Reports


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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
Accidents (including serious injuries) and hazardous incidents must by law 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 lost.

For further information go to the:


Report an accident section