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Mooring deck accident on bulk carrier Mona Manx with loss of 1 life

Marine Accident Investigation Branch

November 21
09:57 2024

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Accident Investigation Report 18/2024

Read our marine accident investigation report, which includes what happened, subsequent actions taken and recommendations:

MAIB investigation report 18-2024: Mona Manx

Mona Manx

Summary

On 26 August 2021, the second officer (2/O) of the Isle of Man registered bulk carrier Mona Manx was fatally injured when he was struck by a recoiling mooring line while the vessel was berthing at Puerto Ventanas, Chile. The line had become entrapped between the vessel and the berth, probably in way of a fender, then suddenly released as the vessel manoeuvred astern under its own power.

Safety issues

  • the 2/O moved to the danger zone to obtain a better view of the mooring line as the vessel manoeuvred astern

  • he use of the vessels engines to manoeuvre along the berth was in contravention of the ports procedures

  • the Code of Safe Working Practices for Merchant Seafarers (COSWP) did not address the hazards of line entrapment or vertical recoil

  • the master/pilot exchange (MPX) completed before the operation did not include all available information

  • the crew had not been briefed on the manoeuvre and the hazards associated with mooring line recoil were not mitigated

  • radio congestion may have reduced the crews ability to safely conduct the operation

Recommendations

The port company, Puerto Ventanas S.A, is recommended (2024/167) to review and update the information made available to masters and pilots before a port call, including instructions that engines are not to be used to conduct manoeuvres while moored alongside and guidance on the risks associated with line entrapment on shore fixtures and fittings, such as fenders.

The Quintero Port Authority is recommended (2024/168) to ensure that the master/pilot exchanges conducted by its pilots consider the risks associated with mooring line entrapment and recoil and vessels manoeuvring alongside using their engines.

Retainer - MAIB preliminary examination 2007

Zarga - MAIB report 13/2017

Teal Bay - MAIB report 9/2022

The Code of Safe Working Practice for Merchant Seafarers

The Oil Companies International Marine Forum (OCIMF) publication Effective Mooring

Photograph credit

Image courtesy of Isle of Man Ship Registry.

Updates to this page

Published 21 November 2024

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