Lessons Learned: CTV Collision With Fixed Platform Due To Engine Failure

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  • The International Marine Contractors Association (IMCA) shares insights from an incident where a crew transfer vessel (CTV) collided with a fixed platform after one of its engines failed.
  • Despite no injuries, the collision highlights the importance of routine checks, immediate response protocols, and maintenance procedures for propulsion systems.

What Went Right

The vessel crew conducted routine checks and tests before operations within the 500-meter zone. The Master initiated several immediate attempts to regain control, including an emergency stop of the port inner main engine.

What Went Wrong

The vessel’s port inner main engine malfunctioned, causing it to get stuck in forward movement as it approached the platform.

Cause of the Incident

An investigation revealed a failure of the pitch control propulsion actuator, which led to insufficient response time to avoid the collision.The actuator malfunctioned due to worn-out carbon brushes in the motor, highlighting the absence of maintenance recommendations for actuator electric motors.

Actions Taken

Fleet-wide checks were conducted for similar actuator motors, followed by inspections of carbon brushes within these motors.Planned Maintenance Systems on relevant vessels were revised to incorporate an actuator electric motor maintenance program as specified by the manufacturer.The incident underscores the importance of Loss of Power drills, emphasizing the need for proactive safety measures in maritime operations.

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Source: Safety4sea

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