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Questions and Answers
What was the primary cause of damage to the side scuttle on the Platform Supply Vessel?
What should be done with hinged storm covers during bad weather according to the safety alert?
Which weather conditions were reported at the time of the impact?
How high above the baseline was the crew cabin where the side scuttle was located?
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What was the condition of the glass pane when the side scuttle was damaged?
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Study Notes
Incident Details
- A Platform Supply Vessel (PSV) experienced a side scuttle being knocked in by wave impact during transit in heavy seas.
- The incident occurred while the vessel was heading 138° at approximately 5-6 knots with a Southerly wind force 8 and rough sea conditions.
- The wave impact occurred during a period of significant wave heights (Hs) of 5 meters and maximum wave height (Hmax) of 8 meters.
- The side scuttle was located on A deck, 11.7 meters above the baseline, with a freeboard of approximately 7 meters.
- The side scuttle was secured with a frame holding glass in place using 22 brass screws and had a hinged storm cover/deadlight which was not closed at the time of the impact.
- All 22 brass screws on the frame broke simultaneously, but the glass pane did not break and hit the opposite wall and door frame of the cabin.
- There were no personnel injuries and only minor material damage.
Learning Points
- The incident highlights the importance of keeping storm covers/deadlights closed at sea during bad weather, particularly in lower sections of the bow.
- The hinged cover design suggests that rapid and frequent operation is relevant, indicating a need for robust security measures.
- The incident recommends marking relevant side scuttles, portholes, port lights and even windows for increased visibility and safety.
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