Medical treatment: Person fell down unprotected hatch

  • Safety Flash
  • Published on 12 October 2016
  • Generated on 23 January 2026
  • IMCA SF 27/16
  • 1 minute read

The MSF has published safety alert number 16-17 regarding an incident in which a shore-side foreman walked into the “safe haven” area of a supply vessel and stepped into an open manhole. 

What happened?

Whilst he managed to catch himself and prevent a free fall of 5m into the tank, he nonetheless suffered a laceration on his shin requiring 3 stitches and bruising to the forearm.

open man hole cover

The MSF noted the following causes:

  • Lack of barriers to open manholes.
  • Several different activities all occurring at once.
  • Lack of coordination of those simultaneous activities.

The following corrective actions were taken:

  • Covering of manholes with gratings during work.
  • Ensuring that ongoing work is coordinated between the work parties in the same area, through toolbox talks.

Latest Safety Flashes:

High potential dropped object - cradle falls from trailer

A large “cradle insert” weighing many tonnes fell off a trailer during a lifting operation.

Read more
LTI – back injury

A member of the crew of a crew transfer vessel (CTV) badly pulled their back whilst helping with mooring operations.

Read more
NTSB: Engine room fire – put things back properly after maintenance

The National Transportation Safety Board of the United States (NTSB) has published report MIR 25-29.

Read more
BSEE: arc flash incident – is the wire still live?

The United States Bureau of Safety and Environmental Protection (BSEE) has published Safety Alert 506 relating to an arc flash incident.

Read more
Spontaneous explosion of a plastic ruler

There was a spontaneous brittle failure of a 30cm clear plastic ruler stored in an office drawer on a DSV.

Read more

IMCA Safety Flashes summarise key safety matters and incidents, allowing lessons to be more easily learnt for the benefit of the entire offshore industry.

The effectiveness of the IMCA Safety Flash system depends on the industry sharing information and so avoiding repeat incidents. Incidents are classified according to IOGP's Life Saving Rules.

All information is anonymised or sanitised, as appropriate, and warnings for graphic content included where possible.

IMCA makes every effort to ensure both the accuracy and reliability of the information shared, but is not be liable for any guidance and/or recommendation and/or statement herein contained.

The information contained in this document does not fulfil or replace any individual's or Member's legal, regulatory or other duties or obligations in respect of their operations. Individuals and Members remain solely responsible for the safe, lawful and proper conduct of their operations.

Share your safety incidents with IMCA online. Sign-up to receive Safety Flashes straight to your email.