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Summary

Summary

Whilst enroute Barracouta to Snapper Oil Platform the number 2 engine oil pressure began to fluctuate. At Snapper the fluctuations became worse. The pilot-in-command decided to return the helicopter to Longford. Enroute Longford the oil pressure fell below minimum allowable. The pilot shut down number 2 engine and subsequently carried out a safe single engine landing at Longford. It was discovered by the engineers that the starter generator oil seal had popped out on the number 2 engine. Several quarts of oil had been pumped overboard in flight. It was found that only one quart of oil was left in number 2 engine when the pilot elected to shut down the engine. Significant Factor The following factor was considered relevant to the development of the incident: 1. The starter generator oil seal failed.
 
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