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A breach in the engine compartment caused the fishing vessel Ainmire to take on water and sink off the coast of Scotland in April last year, according to the official report into the incident.
All crew on board the vessel were transferred safetly to another fishing boat that responded to its distress call, some 30 miles northwest of the Butt of Lewis on the morning of 29 April 2010.
The Marine Casualty Investigation Board (MCIB) report concluded that the failure of a sea water cooling pipe in the engine room was the most likely cause of the flooding, and pointed to the fact that the pipework had not been renewed during the life of the vessel.
It was also noted that the bilge pump and its motors were located under the floor plates in the engine room, and thus were inoperable when the water level had risen in the compartment.
In addition, the MCIB report found that the Ainmire has been operating without a Fishing Vessel Safety Certificate for more than six months at the time of the incident.
Though the owner had submitted a survey application and paid the required fee to the Marine Survey Office (MSO) the previous summer, a communication breakdown resulted in the required survey not being carried out before the expiration of the vessel's previous certification.
The MCIB advised boat owners and operators to be extra vigilant regarding the location of bilge pumps in their vessels.
It also warned that survey applications for certification "may not accommodate all situations", and that the issuing of a recepit is not a guarantee that an application is being dealt with.
The full report is available to download as a PDF from the MCIB website HERE.

A breach in the engine compartment caused the fishing vessel Ainmire to take on water and sink off the coast of Scotland in April last year, according to the official report into the incident.

All crew on board the vessel were transferred safetly to another fishing boat that responded to its distress call, some 30 miles northwest of the Butt of Lewis on the morning of 29 April 2010.

The Marine Casualty Investigation Board (MCIB) report concluded that the failure of a sea water cooling pipe in the engine room was the most likely cause of the flooding, and pointed to the fact that the pipework had not been renewed during the life of the vessel.

It was also noted that the bilge pump and its motors were located under the floor plates in the engine room, and thus were inoperable when the water level had risen in the compartment.

In addition, the MCIB report found that the Ainmire has been operating without a Fishing Vessel Safety Certificate for more than six months at the time of the incident.

Though the owner had submitted a survey application and paid the required fee to the Marine Survey Office (MSO) the previous summer, a communication breakdown resulted in the required survey not being carried out before the expiration of the vessel's previous certification.

The MCIB advised boat owners and operators to be extra vigilant regarding the location of bilge pumps in their vessels. 

It also warned that survey applications for certification "may not accommodate all situations", and that the issuing of a recepit is not a guarantee that an application is being dealt with.

The full report is available to download as a PDF from the MCIB website HERE.

Published in MCIB

About the TP52 Racing Yacht

The TP52 racing yacht is a remarkable example of cutting-edge technology in the world of competitive yachting. Measuring 52 feet (15.85 metres) in length, this vessel is constructed entirely from carbon fibre, making it an incredibly light and agile craft.

The TP52 features a 6.25-metre high rig, complete with a fractional asymmetrical spinnaker and a self-tacking jib. This design reduces the workload of the crew, allowing for more efficient manoeuvres and freeing up the crew to focus on the mainsheet upwind and on two-sail reaches.

The spinnaker rigging set-up, measuring 15.00 m2, presents a challenge to even the most experienced crews, requiring them to be fit and perfectly coordinated. Maneuvering the boat requires athleticism due to the vessel's lack of inherent stability and the high speed generated by the fully battened mainsail and jib.

The TP52's hull is constructed of fibreglass-reinforced polyester in a foam sandwich layout, resulting in a weight of just 74kg. The fully battened mainsail and jib are made from a transparent Mylar laminate with orange or red Dacron trimming, while the spinnaker is manufactured from ripstop Nylon.

The mast is made up of three parts, featuring an aluminium bottom and middle section, with a polyester-fibreglass composite tip to increase mast bend and decrease overall weight. The capsizing moment, which can be generated by a heavy mast tip, is also reduced through this design. The TP52's foils are constructed from either aluminium or fibreglass, depending on the specific requirements of the vessel.

Overall, the TP52 racing yacht is an exceptional example of the latest advancements in yacht design and technology. Its lightweight construction, advanced rigging, and high-speed capabilities make it a top contender in the world of competitive yachting, challenging even the most skilled and experienced crews.