UK MAIB

Two crew injured due to winch malfunction

In UK MAIB’s latest Safety Digest, two crewmen broke their wrists during a sail training. Namely, the two men were turning the starboard coffeegrinder to heave in the headsail when there was a sudden change of the handles’ direction.

The incident

A maxi-yacht was at sea and the crew was training for a race. On its coach-roof, the yacht was fitted with two pedestal-style winches, known as coffee-grinders.

The winches were operated by two crewmen who were working together to turn the pedestal...

https://safety4sea.com/two-crew-injured-due-to-winch-malfunction/

UK MAIB: There was no agreed plan before CMA CGM Centaurus heavily hit pier

The UK MAIB issued an investigation report on the allision of the UK-registered container ship ‘CMA CGM Centaurus’ with the quay that resulted in collapse of a shore crane and subsequent injury of 10 persons. MAIB noted that many of the factors in this accident can be attributed to a focus on completing acts of pilotage as quickly as possible.

The incident

At 1137 on 4 May 2017, the ‘CMA CGM Centaurus’ made heavy contact with the quay and two shore cranes while under pilotage during its arrival...

https://safety4sea.com/uk-maib-there-was-no-agreed-plan-before-cma-cgm-centaurus-heavily-hit-pier/

Navigating by eye can be misleading even in familiar waters

The UK MAIB shared valuable lessons learned from an incident involving a ferry which ran over the submerged remains of a derelict mooring dolphin. The ferry’s port propeller, shaft, stern seal and rudder were damaged by the contact. MAIB noted that navigating by eye in a narrow channel is common practice, but it can be misleading, even in familiar waters.

The incident

It was a fine summer’s day and passengers on board a ferry were taking in the sights of a city while enjoying a scheduled river...

https://safety4sea.com/navigating-by-eye-can-be-misleading-even-in-familiar-waters/

Lessons learned: Dragging anchor in tidal stream

In its latest Safety Digest, UK MAIB described a case of ship grounding in low tidal conditions, noting that, in exposed anchorages prone to tidal streams, a ship can remain safely at anchor only as long as there is sufficient scope on the cable and the anchor continues to hold.

The incident

In preparation for a short coastal passage, a small general cargo ship left its berth, in ballast, and proceeded to an anchorage approximately 1½nm offshore to layover for a few hours. Although the master was...

https://safety4sea.com/lessons-learned-dragging-anchor-in-tidal-stream/

Poor pre-bunker checklist contributes to HSFO overflow

In its latest Safety Digest, the UK MAIB described an incident of a Heavy Sulphur Fuel Oil overflow during bunkering operation. MAIB highlighted that at least one of the two isolating valves that caused the incident could have been closed fully if it had been checked as per the checklist.

The incident

An LPG carrier was at anchor awaiting a berth when instructions to take bunkers were received. A bunkering plan was completed by the ship’s crew prior to the bunker barge arriving alongside.

A...

https://safety4sea.com/poor-pre-bunker-checklist-contributes-to-hsfo-overflow/

Lessons learned after ferry runs under pier

The UK MAIB described an incident in which the wheelhouse of a small water jet propelled passenger ferry was severely damaged when the ferry overshot its intended berth and ran under a pier. The skipper suffered minor abrasions from the impact, but the two other crewmen and the 15 passengers escaped injury.

The incident

It was dark and the 1½ mile crossing had been uneventful. As usual, when the ferry was about 100m from its berth, which was on the inner side of a pontoon attached to a pier, the...

https://safety4sea.com/lessons-learned-after-ferry-runs-under-pier/

Lessons learned: Serious scald during routine engine inspection

In its latest Safety Digest report, the UK MAIB provides valuable lessons learned after a second engineer onboard a chemical/ products tanker was badly scalded while carrying out a routine external inspection of the vessel’s main engine.

The incident

The vessel was alongside and engaged in cargo operations at the time and the second engineer was being assisted by a third engineer. During the course of the inspection, the second engineer stepped off the walkway and squeezed between two cylinder...

https://safety4sea.com/lessons-learned-serious-scald-during-routine-engine-inspection/

Powerboat accident highlights the need for caution around new equipment

On its latest Safety Digest, UK MAIB describes a racing powerboat, when two friends decided to the test their boat at a public slipway. During the trials, the driver turned the boat around a navigation buoy when it instantaneously flipped over. As a result, both men were thrown into the sea, injured and disoriented.

The incident

Two friends, a driver and navigator, launched their racing powerboat at a public slipway. They were planning to test the boat by sprinting around some nearby navigation...

https://safety4sea.com/powerboat-accident-highlights-the-need-for-caution-around-new-equipment/

Grounding highlights need of ECDIS alarms in open waters

In the latest edition of its Safety Digest, UK MAIB describes a grounding of a small bulk carrier on a sandbank. The vessel had been following a planned track in the ECDIS, but the ECDIS alarms had been turned off. The ship remained aground for 6 days and was refloated by salvors.

The incident

The second officer had taken over the bridge watch from the master at midnight. The vessel was heading 146˚ in autopilot at 11kts, but during the watch handover the master told the oncoming OOW to shorten...

https://safety4sea.com/grounding-highlights-need-of-ecdis-alarms-in-open-waters/

Lessons learned: Language differences lead to collision

The UK MAIB issued the second edition of its ‘Safety Digest’, providing useful lessons learned from maritime casualties it has encountered. In the first case of the report, UK MAIB describes a collision between two vessels that occurred from misunderstanding due to language differences.

The incident

A large bulk carrier was approaching a laden oil tanker in a traffic lane of a traffic separation scheme. With a speed of 16kts, the bulk carrier was the overtaking vessel, and as both vessels were...

https://safety4sea.com/lessons-learned-language-differences-lead-to-collision/

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