FPSOs that have a turret positioned relatively further back from the bow can be seriously affected by thruster system failure.In these circumstances,the FPSO would be expected to take a significant angle to the environment and thus attract large loads,which could overstress the mooring system.Mooring system design is strongly dependent upon the robustness of the thruster system.A thruster system failure that escalates to a mooring system failure compromises crew safety,threatens continuity of production and jeopardises vessel survivability.
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