The following information is a summary of the report issued by the the Marine Accident Investigation Branch (MAIB) and the Swedish Accident Investigation Board (SHK) regarding an accident in the product tanker Prospero on January 2006.
Incident Information on Burst of Starting Air Pipe Causing Subsequent Grounding
During maneuvering, the a vessel experienced a burst starting air pipe. This resulted in non-availability of the slow speed large bore main engine which caused the subsequent grounding of the Vessel.
Incident Information on Severe Bearing Damage in the Main Engine due to Spark Erosion
This incident information refers to bearing damage in the main engine of a tanker due to spark erosion. A tanker for oil was on a voyage in the Mediterranean Sea in loaded condition. The crew noted and monitored an abnormally high temperature in one of the main engine’s crankshaft bearings. Suddenly the lubrication oil pressure sank, the oil mist escalated in the crankcase and the engine had to be shut down immediately. The ship experienced a loss of propulsion and drifted for several hours. Finally, the cargo had to be unloaded from the vessel, which was then towed to a repair yard.