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This case study covers events that occurred on the same vessel, 8 months apart. The DP equipment class 2 vessel is fitted with six position references systems, 3 DGNSS, 2 HPR and 1 laser based. At the time of the DP Incident the vessel was employed in subsea operations with two ROVs and a deck crane and operating with only two DGNSS position references systems selected into the DP control.
DP Event
Published: 29 July 2024
Download: 
IMCA DPE 02/24
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The following case studies and observations have been compiled from information received by IMCA. All vessel, client, and operational data has been removed from the narrative to ensure anonymity.
Case studies are not intended as guidance on the safe conduct of operations, but rather to assist vessel managers, DP operators and DP technical crew in appropriately determining how to safely conduct their own operations. Any queries should be directed to IMCA at [email protected]. Members and non-members alike are welcome to contact IMCA if they have experienced DP events which can be shared anonymously with the DP industry.
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IMCA makes every effort to ensure the accuracy and reliability of the data contained in the documents it publishes, but IMCA shall not be liable for any guidance and/or recommendation and/or statement herein contained. The information contained in this document does not fulfil or replace any individual’s or Member's legal, regulatory or other duties or obligations in respect of their operations. Individuals and Members remain solely responsible for the safe, lawful and proper conduct of their operations.