Under pilotage, the ship sailed a river towards the discharge port. Manual steering, occasional rain, good visibility, light wind.
Pilot Exchange & Engine Room Mishap
There had been a detailed pilot exchange between the pilot and Master. The pilot was given a pilot card describing manoeuvring characteristics and he checked to confirm there was an anchor watch forward, which was a requirement.
Normally the Third Engineer was stationed in the emergency generator area during manoeuvres, but for this river transit he and the Second Engineer had changed watch positions so the Third Engineer could gain more experience in another area of the engine room. The Third Engineer was carrying out his rounds on the fuel treatment area when he noticed excessive differential pressure on the fuel filter. Without consulting anyone he decided to carry out a manual back flush after switching from one fuel filter to another. He moved the switch-over lever only part of the way, which resulted in the fuel flow to the main engine and auxiliary engines being interrupted and leading to a total blackout.
Vessel Grounding After Blackout
The Chief Engineer and the rest of the engine room watch acted immediately but they were restricted by the fact that it usually takes 10 – 15 minutes to recover from a blackout. At the time of the blackout the vessel was altering course to port for a major turn of almost 90 degrees. There were no other vessels underway in the area.
The Master ordered full astern, but nothing happened due to the blackout. He realised that he had no engine control, the main engine revs were falling, and there was no steering control. The vessel still had some port rudder and was moving at about ten knots. In front of the vessel there were some smaller vessels moored at the quay. The pilot ordered starboard anchor to be dropped but it had no effect. The pilot ordered the fog signal to be sounded. He also called the berthed vessels on the VHF and the VTS and he ordered the port anchor to be dropped.
Both anchors were dropped, and the vessel began to slow down. Shortly afterwards the vessel made contact with the quay at approximately 7 knots and continued alongside, hitting one of the berthed vessels before proceeding out into the river again. The vessel finally grounded on the opposite riverbed.
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Source : The Swedish Club