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Stena Estrid: 500 Tonnes of Flooding, Zero Injuries — What the Crew Got Right

🕑 5 min read words Safety • Incident • Navigation

Vessel: Stena Estrid (RoPax Ferry)
Date: 7 January 2026, 0750
Location: Terminal 3, Holyhead Port, Wales
Outcome: Hull puncture, ~500 tonnes of flooding — no injuries, all 157 aboard safely disembarked
Human Factors: Approach Speed Management · Tug Communication · Rapid Damage Control
Source: MAIB Report, released 2–3 September 2026

2 decision points · 4 outcome paths · 5 min read

What Happened

Arriving from Dublin in strong westerly winds (force 6–7), Stena Estrid turned to port north of the Terminal 3 jetty at Holyhead, with a tug secured to her port aft quarter to help control the swing. The wind pushed the vessel toward the jetty, and after completing the turn she closed on the structure faster than the bridge team anticipated. MAIB's report points to conflicting communications between the ferry and the tug, and the tug's positioning limiting how much it could actually do to arrest the approach.

The vessel made contact with an unprotected turning fender at the northern end of the terminal — a fender with sharp protrusions on its face plate and no rubber fender structure to absorb the impact. There were 157 people aboard: 91 passengers, 66 crew, and 95 vehicles.

The Damage

The contact holed the hull in two places — below the waterline in the starboard engine room, and above the waterline on the cargo deck. Roughly 500 tonnes of seawater flooded into the starboard engine room, with an unknown further quantity entering an adjacent void space.

What the Crew Did Next

This is the part of the report that reads differently from most incident write-ups: the crew's response is what kept this from becoming a genuine disaster. Working fast, they shored up the hull below the waterline to slow the ingress, ran pumps to remove water from the flooded spaces, and transferred ballast to create a deliberate list to port — raising the below-waterline damage above the surface so it stopped taking on water entirely.

With the flooding brought under control, Stena Estrid completed berthing under her own power, disembarked all 91 passengers and unloaded every vehicle, and later proceeded to dry dock in Liverpool — still under her own power. No injuries, no pollution, no evacuation.

What MAIB Found

The investigation names three contributing factors to the contact itself: the strength of the westerly wind pushing the vessel toward the jetty during the turn, the tug's limited effectiveness in that position, and conflicting communications between ship and tug during the manoeuvre. Separately, the terminal's own turning fender was found to be a real hazard in its own right — sharp protrusions and no rubber fender structure meant any contact, however minor, was always going to hole the hull rather than absorb the impact.

Since the report, Stena Line has reduced operating parameters for the berth, reviewed crew procedures, and worked with the port authority to remove the protruding brackets and implement wider terminal improvements, scheduled through October 2026.

Recommended Actions

In strong cross-winds during a berthing turn, treat tug communication as a closed loop, not a one-way instruction — confirm the tug's actual capability to arrest the vessel's swing before committing to the approach speed.
Know a berth's fender infrastructure before relying on it — a turning fender without a rubber fender structure offers no forgiveness margin for a faster-than-planned approach.
When a hull breach and flooding are confirmed, prioritise fast damage control (shoring, pumping, deliberate ballasting to raise the damage above the waterline) over waiting for a complete picture — Stena Estrid's crew acted before the full extent of flooding was even confirmed.
A deliberate list to raise below-waterline damage above the surface is a legitimate, fast-acting damage control tool when shoring alone won't stop ingress — know how to calculate and execute it under pressure.
Report berth infrastructure hazards (sharp protrusions, missing fendering) to the port authority proactively, rather than treating them as a fixed condition to work around indefinitely.

Human Element Analysis

Approach Speed Management

A tug secured and "helping" can create a false sense of margin during a turn in strong wind — the actual controlling factor is what the tug can achieve from its specific position, not that a tug is present at all.

Tug Communication

MAIB explicitly flags conflicting communications between ship and tug as a contributing factor. In a fast-moving berthing manoeuvre, ambiguity between bridge and tug about intended speed or heading closes the margin for correction.

Rapid Damage Control

This is the strongest part of the story: a crew that shored, pumped, and deliberately listed the vessel fast enough to keep 500 tonnes of flooding from becoming a much bigger problem. Genuinely well-executed emergency response, not luck.

Industry	Incident	The Parallel
Aviation	US Airways Flight 1549, Hudson River ditching, USA, 2009	A crew facing sudden, unplanned damage executed a well-drilled emergency response fast enough to turn a potential disaster into a survivable event — competence under pressure, not the absence of a real emergency.
Nuclear	Fukushima Daiichi, Unit 5&6 successful cold shutdown, Japan, 2011	While Units 1-3 suffered meltdowns, the crew at Units 5&6 used available equipment and fast decision-making to achieve a safe outcome under the same external event — the same hazard, a different result, driven by response quality.
Offshore	Deepwater Horizon relief well response, Gulf of Mexico, 2010	Once the initial event occurred, the quality and speed of the engineered response determined how much worse the outcome became — the same principle behind Stena Estrid's ballast-and-shore response.

Test Your Knowledge

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Try the Decision Simulator

Would you have caught the closing speed in time — and if not, would your damage control response have matched what Stena Estrid's crew actually did? Work through both decisions in the Stena Estrid decision simulator.