Safety Flash
DP run-off incident – Class 2 DP vessel
DP run-off incident – Class 2 DP vessel
- IMCA
- Safety Flash
- IMCA SF 14/06
- Inspection and MaintenanceMachinery and EquipmentManagement of ChangeMarine Operations
- Loss of station keeping
- Dynamic positioning
- Navigation and positioning equipment
- Functional testingManagement of change
- Marine industry
- Vessel
Summary
A Class 2 DP vessel alongside a platform experienced a run-off following loss of reference systems and was recovered safely under manual control. The flash examines linked reference failures, incorrect VRS voting configuration, omitted sensor offsets and pitch-compensation wiring errors, highlighting limitations of FMEA trials and the need for current configuration records.
Classifications: Loss of station keeping; drive-off; drift-off.
Classifications: Dynamic positioning; DP; DP operations.
Classifications: Navigation and positioning equipment; ECDIS; AIS; chart plotters.
Classifications: Functional testing; function test.
Classifications: Management of change; MOC; change management.
Classifications: Marine industry; shipping industry; maritime sector.
Classifications: Vessel; aboard ship; onboard vessel.
Summary
A DP vessel lost position references because of configuration, wiring and documentation errors, requiring manual control to reach safety.
IMCA SF 14/06. Themes: inspection and maintenance, machinery and equipment, management of change, marine operations.