Safety Flash
USCG Homeport Marine Safety Alert: Recent failures of dynamic positioning (DP) systems on MODUs
USCG Homeport Marine Safety Alert: Recent failures of dynamic positioning (DP) systems on MODUs
- IMCA
- Safety Flash
- IMCA SF 11/13
- Electrical SafetyInspection and MaintenanceMarine OperationsVessel and Mooring
- Electrical safety
- Dynamic positioningInspection and maintenance
- Functional testingPreventive maintenanceThermography
- Marine industryUpstream oil and gas
- Vessel
Summary
This safety flash clarifies US Coast Guard recommendations following dynamic positioning failures on mobile offshore drilling units. It discusses conditional live short-circuit and ground-fault testing of ride-through capability, planned onboard testing to validate analytical models, and regular thermal imaging within preventive maintenance, with appropriate planning and risk mitigation.
Classifications: Electrical safety; electrical hazards.
Classifications: Dynamic positioning; DP; DP operations.
Classifications: Inspection and maintenance; asset inspection; equipment maintenance.
Classifications: Functional testing; function test.
Classifications: Preventive maintenance; preventative maintenance; planned maintenance.
Classifications: Thermography; thermal imaging; infrared inspection.
Classifications: Marine industry; shipping industry; maritime sector.
Classifications: Upstream oil and gas; oil and gas extraction; upstream petroleum.
Classifications: Vessel; aboard ship; onboard vessel.
Summary
The United States Coast Guard has recently issued the attached Marine Safety Alert about recent failures of dynamic positioning systems on mobile offshore drilling units.
IMCA SF 11/13. Themes: electrical safety, inspection and maintenance, marine operations, vessel and mooring.