Investigation Report

Fatal injury to a recreational diver following contact with the motor vessel Karin operating as a recreational dive support vessel

MAIBMarine Accident Investigation Branch

Fatal injury to a recreational diver following contact with the motor vessel Karin operating as a recreational dive support vessel

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Summary

Investigates a recreational diver’s fatal propeller strike during a drift decompression stop in Scapa Flow. Examines Karin’s obstructed forward visibility, ineffective lookout, marker-buoy attachment, vessel coordination and absent documented safety arrangements. Recommendations address harbour oversight, while the annexed bulletin discusses safe vessel separation and hand-held marker-buoy lines.

Topics

About This Record
Publisher
Marine Accident Investigation Branch
Type
Investigation Report
Date
16 October 2025
Topic
Line of Fire, Risk Management
Activity
Diving Operations, Navigation
Equipment
Rotating Machinery
Control
Operating and Work Procedures, Risk Assessment, Safety Communication, Simultaneous Operations Coordination
Sector
Marine Industry
Setting
Marine Waters
Link
Checked , working
Record
maib-fatal-injury-to-a-recreational-diver-following-contact-with-the-motor-vessel-karin · added 2 September 2026

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