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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 case studies 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.

To be included into the subscription list for the DP Event Bulletin emails, email [email protected]

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

Richard Purser
Technical Adviser - Marine
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Position Reference Problems again! – Dangers of recalibrating

Overview A diving vessel was operating in approximately 25m of water depth. Four Position Reference Systems (PRSs) were in use, two DGNSS & two HPRs, weighting of the PRSs was […]

| Included in IMCA DP Event Bulletin 04/23

Follow the ASOG – It’s there for a reason

Overview A DP vessel was conducting remotely operated vehicle (ROV) operations beside an oil platform. As this was a Critical Activity Mode (CAM), the vessel was operating a split bus […]

| Included in IMCA DP Event Bulletin 04/23



DP drill scenario

DP emergency drill scenarios are included to assist DP vessel management and DPOs / Engineers and ETOs to conduct DP drills onboard. The intent is that the template can be […]

| Included in IMCA DP Event Bulletin 04/23

News in brief from the DP Committee

M190 Code of practice for developing and conducting DP annual trials programmes and M191 Code of practice for DP annual trials for mobile offshore drilling units, published June 2023 M117 […]

| Included in IMCA DP Event Bulletin 04/23


What have the Alarms ever done for me?

1 Overview A DP vessel with a two-way redundant split was engaged in cargo operations alongside a fixed platform, the environmental conditions at the time were marginal however the vessel was […]

| Included in IMCA DP Event Bulletin 03/23

Distraction – Don’t text and navigate

1 Overview A dynamic positioned (DP) PSV was conducting operations near a drilling rig in the North Sea. The DPO of the PSV was using their phone while they were […]

| Included in IMCA DP Event Bulletin 03/23


Incorrect entry of DP Rotation Point offsets

1 Overview A vessel was engaged in Driving and ROV work over a live manifold. During ROV dive the vehicle had taken receipt of a hot stab connected to a recently […]

| Included in IMCA DP Event Bulletin 03/23

News in Brief from the DP Committee

1 Station Keeping Events STATS: The information below is a snapshot of the DP Station Keeping events to date for 2023.  Figure 6‑1 Event Stats The percentage of DP incidents […]

| Included in IMCA DP Event Bulletin 03/23


News in Brief from the DP Committee

1 Information Notes 2 Codes & Recommended Practice 3 Station Keeping Events STATS: The information below is a snapshot of the DP Station Keeping events to date for 2023.  The percentage of DP […]

| Included in IMCA DP Event Bulletin 02/23

DP Drill Scenario

DP emergency drill scenarios are included to assist DP vessel management and DPOs / Engineers and ETOs to conduct DP drills onboard.  The intent is that the template can be […]

| Included in IMCA DP Event Bulletin 02/23



Case Study – Hybrid Failure

1 Overview of the Event A PSV was conducting DP operations within a 500m Zone. The vessel had an energy storage system (ESS) fitted and was configured closed bus with […]

| Included in IMCA DP Event Bulletin 02/23

Case Study – Open Bus Saved the Day

1. Overview of event A DP2 vessel was conducting trenching operations within a wind energy field.  The vessel was operating open bus with two redundant groups.  The vessel has a […]

| Included in IMCA DP Event Bulletin 01/23

Case Study – Vessel Degraded Capability

1. Overview A PSV was conducting DP operations in an open bus 2-way configuration.  The vessel had 2 redundant groups, each with 2 generator and 2 azimuth thrusters. The Worst […]

| Included in IMCA DP Event Bulletin 01/23

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