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DP station keeping event bulletins enhance the traditional reporting and analysis of dynamic positioning station keeping events and incidents. They ensure that the industry is provided with prompt feedback, including anonymous factual event trees of events reported to IMCA.

Individual DP events are available individually online, tagged and searchable, while the traditional PDF collections are also available for download.

Submit a Report

All members are encouraged to contribute relevant DP information by using our reporting template which is available under Submit a Report where you will also see details on how to submit your information.

IMCA Contact

Andy Goldsmith
Technical Adviser - Marine
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Human Factor caused a DP Undesired Event

Comments from the report: The vessel was operating in shallow water and a strong current. There were several heading changes prior to the event. It was noted that heading changes, […]

| Included in IMCA DP Event Bulletin 01/21

Unreliable component causes a DP undesired event

Comments from the report: Investigation found that a 24v bridge rectifier supplying voltage to the main generator switchboard breakers 1 and 2 had burned out.  The age and quality of […]

| Included in IMCA DP Event Bulletin 01/20

DP undesired event due to online maintenance work

Comments from the report: The vessel reported that they had changed these modules in the past whilst on DP without any issues.  The risk assessment had identified that the consequence […]

| Included in IMCA DP Event Bulletin 01/20


Accidental breaker trip – DP undesired event

Comments from the Report: The vessel was experiencing heavy rolling and pitching.  The watch keeping engineer lost his balance and his hand made contact with the No. 2 shaft generator […]

| Included in IMCA DP Event Bulletin 03/19

Failure of DP UPS – DP undesired event

Comments from the Report: The vessel maintained position but DP equipment class 2 capabilities were compromised.  It was noticed that there was a strong burning smell from the UPS.  The […]

| Included in IMCA DP Event Bulletin 03/19







Loss of tunnel thruster – DP undesired event

Comments from the report: During diving operations in open water, tunnel thruster No. 1 tripped offline.  Investigation showed that the cause was due to tripping of the thruster hydraulic pump […]

| Included in IMCA DP Event Bulletin 01/19






DP controller problems – DP undesired event

Considerations of the IMCA Marine DP Committee from the above event: Redundancy was lost; therefore, a yellow alert should be initiated. Good practice is to acknowledge and investigate the cause […]

| Included in IMCA DP Event Bulletin 02/18


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