OSG ENDURANCE

46 CFR 136.200(b) Each towing vessel certificated under the provisions of this sub chapter must be in full compliance with the terms of the COI. - MF/HF radio capability has been rendered inoperational due to lightning strike. Vessel is restricted to domestic voyage until repairs have been made to the satisfaction of the attending marine inspector.

33 CFR 164.72(a)(6) Towing vessels must be equipped with the following equipment, as applicable to the area of operation:(c)Electronic position-fixing device, satisfactory for the area in which the vessel operates. - Vessel experienced a lightning strike effecting the reliability of their GPS and ECDIS. Make repairs to the satisfaction of the attending TPO surveyor.

46 CFR 143.205a - Machinery and electrical systems must be designed and maintained to provide for safe operation of the towing vessel and safety of persons onvboard under normal and emergency conditions, Vessel port MDE shutdown due to loss of their #4 cylinder. Vessel is to transit to Port Everglades to affect repairs. Notify CG upom completion of repairs.

Machinery and electrical systems must be designed and maintained to provide for safe operation of the towing vessel and safety of persons onboard under normal and emergency conditions. On April 5, 2023, the OSG Endurance experienced a loss of power to the bridge and a loss of steering control. 46 CFR 143.205

The Safety Management System should include procedures ensuring that non-conformities are reported to the company, investigated, and analyzed with the objective of improving safety and pollution prevention. SMS chapter ENV-01 Section 5 states when a activity poses an environmental risk, QR-SQE-25 Environmental Aspects Assessment Matrix is required to be followed Additionally chapter MR-04 requires a corrective action report to be generated if a defect presents a hazard to the crew or the environment. No objective evidence was provided to indicate that such reports were generated for the following: 1) Ballast water treatment system not capable of treating water that exceeds the water clarity standards required for UV intensity to be effective. 2) System found showing the following alarm: W154 UVR(1): UV intensity USCG low. System flow maintained at 50% Process not compliant. An internal audit is required to be conducted focusing on requirements for report non-conformities as outlined above.

Vsl is broadcasting: Measure length in FT (Vsl dimension Must be measured in meters).

Vessel experienced repeated propulsion casualties to the starboard main engine. Notify cognizant COTP/OCMI prior to entry to each US port. Provide technician and ABS surveyor report detailing cause and rectificiation to CG marine inspector to clear.

VSL experienced propulsion loss with starbaord main engine due to faulty oil mist detector and air start system. see attached documents dated 23jan16 for further detail.

Vessel reported an electrical power loss that affected steering while transitting LMR.