Research and analysis

Safety lessons: mooring procedures

Summary of a fatal accident on board cargo vessel Wah Shan highlighting the dangers of using unsafe configurations of mooring arrangements.


MAIB safety flyer issued July 2013

This file may not be suitable for users of assistive technology. Request an accessible format.

If you use assistive technology (such as a screen reader) and need a version of this document in a more accessible format, please email Please tell us what format you need. It will help us if you say what assistive technology you use.


This safety message concerns fatal injuries to a crewman while securing a tug’s tow wire during a mooring operation. The information has been prepared for members of the:

  • shipping industry
Published 17 July 2013