EC25, Åsgård B Platform North Sea, 2012

EC25, Åsgård B Platform North Sea, 2012

Summary

On 12 January 2012, the crew of an EC 225LP helicopter were unable to prevent it almost departing the helideck at the offshore platform where it had just made a normal touch down at night after an en route diversion prompted by a partial hydraulic failure. An emergency evacuation was ordered and ground crew intervention prevented further helicopter movement. A component in the left main landing gear brake unit was found to have failed due to a manufacturing fault. Emergency Regulatory action for the helicopter type followed in respect of both the airworthiness and operational issues highlighted by the Investigation.

Description

On 12 January 2012, an EC 225LP (LN-OJE) being operated by CHC Helikopter Service on a contract passenger shuttle service for Statoil from the Deep Sea Bergen oil rig to Kristiansund as HKS 403 in the climb at night to 3000 feet after departure experienced a partial hydraulic system failure. Because of destination weather considerations the crew decided to make an en route diversion. After a Visual Meteorological Conditions (VMC) approach to the Åsgård B Platform and a normal touch down, the helicopter began to move towards the edge of the helideck and an emergency evacuation was ordered. Ground crew action helped ensure that the helicopter remained on the helideck. None of the 21 occupants were injured and the helicopter sustained only minor damage.

Investigation

An Investigation was carried out by the Norwegian Accident Investigation Board (AIBN). Flight Data Recorder (FDR) data was successfully downloaded to assist the Investigation.

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