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Summary

Summary

What happened

On the morning of 8 January 2012, one of the permanent mooring lines holding the general cargo ship Tycoon in position in the inner moorings at Flying Fish Cove, Christmas Island, came free from its anchor. As a result, the ship moved forward and closer to the nearby terminal rock face, eventually making contact with the rock face as the weather and sea conditions deteriorated.

Despite attempts to move it away, Tycoon continued to pound against the rock face. Eventually, the ship’s engine room began to flood through a tear in the hull. Shortly afterwards, the crew safely abandoned the ship.

At about 1100 on 9 January, Tycoon suffered a catastrophic failure of its hull and the contents of the ship’s number two cargo hold, about 260 tonnes of bagged phosphate, were exposed to the sea. The ship continued to be pounded by the sea and swell and, over the following months, it broke up under the action of the waves. On 14 May, salvors were appointed and by 26 July the wreck had been removed from Flying Fish Cove.

What the ATSB found

The ATSB found that the shackle connecting the port’s cantilever mooring line to its anchor chain failed and that Tycoon’s master did not advise shore authorities of his concern regarding the deteriorating conditions or that the cantilever mooring line had come free. He also did not make proper use of the ship’s main engine or mooring lines to attempt to keep the ship in position after the mooring line came free.

In addition, it was found that there had been no risk assessment undertaken by successive port managers with regard to the use of the inner moorings and that there was little guidance provided to the masters of ships intending to moor in Flying Fish Cove. Furthermore, the managers of the port had not implemented an effective inspection and maintenance program and therefore were not aware of the deteriorated condition of the aft mooring line shackle.

What's been done as a result

The port operator has started to fly diving contractors into Christmas Island to complete the annual dive inspection and has commenced replacing and upgrading the mooring equipment. They are also developing a Port Handbook which will be provided to the master of each ship and are facilitating safety training workshops that will be a forum through which the risks posed to the port and its operations can be assessed.

Safety message

Those responsible for the management and operation of a port should consider all the risks associated with the operations carried out within the port. As a result, there should be appropriate procedures and contingency plans in place to deal with foreseeable emergencies and effective maintenance and inspection regimes that ensure the good order of equipment and facilities.

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