• The domino effect

    The event demonstrates the importance of maintaining the approved DP power configuration, addressing known defects before equipment is relied upon during DP operations, and ensuring DP personnel understand how changes to the generating arrangement can affect redundancy and failure propagation

    DPE 03/26

    19 October 2026

    Incident

  • Lost in calibration

    During activity associated with calibration of a vessel Vertical Reference Unit (VRU), the DP control system experienced degradation of its attitude reference arrangement. Shortly afterwards, the vessel generated an Off Position Warning followed by an Off Position Alarm

    DPE 03/26

    19 October 2026

    Incident

  • Watch what you are pressing

    While transiting away from a wind farm, the Master of a DP equipment class 2 vessel observed that the vessel was operating in Backup Mode and queried this with the bridge team and attending electrician

    DPE 03/26

    19 October 2026

    Incident

  • DP drill scenario – Consequence Analysis Class DP2 & DP3

    DP drill scenario – Consequence Analysis Class DP2 & DP3

    DPE 03/26

    19 October 2026

    Drill Scenario

  • The UPS and downs

    While a vessel was transiting in DP mode, the DPO observed the loss of Gyros 2 and 3 together with alarms from a 230V backup power supply. The telephone system remained powered but was inoperable.

    DPE 03/26

    19 October 2026

    Incident