Investigation Report

Near miss between ro-ro ferry Stena Superfast VII and Royal Navy submarine

MAIBMarine Accident Investigation Branch

Near miss between ro-ro ferry Stena Superfast VII and Royal Navy submarine

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Summary

This investigation examines a North Channel near miss between Stena Superfast VII and a submerged Royal Navy submarine. It analyses inaccurate range and speed assessments, periscope watchkeeping supervision, electronic contact information and cancellation of a close quarters procedure. Reported actions address simulator training, procedural adherence and risk assessment.

Topics

About This Record
Publisher
Marine Accident Investigation Branch
Type
Investigation Report
Date
15 July 2020
Topic
Human Factors, Vessel Collision
Activity
Navigation
Equipment
Navigation and Positioning Equipment, Operator Displays and Control Interfaces
Control
Competence and Training, Operating and Work Procedures, Operational Supervision, Risk Assessment
Sector
Marine Industry
Setting
Marine Waters, Vessel
Link
Checked , working
Record
maib-near-miss-between-ro-ro-ferry-stena-superfast-vii-and-royal-navy-submarine · added 2 September 2026

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