At approximately 1342 local time (Myanmar Standard Time) on May 14, 2025, the Taiwan-flagged container ship Uni-Active (IMO No. 9130547, gross tonnage 14807, length overall 165.00 meters, beam 27.10 meters) was executing a turning maneuver and preparing to depart from Yangon Port, Myanmar, collided with three small vessels moored alongside the pier—Annawar Aung 8, Navy 217, and Dana Hlaing when its stern. As a result of the collision, Navy 217 and Dana Hlaing sank, and Annawar Aung 8 were slightly damaged. No injuries or environmental pollution were reported as a result of this occurrence.

The Taiwan Transportation Safety Board (TTSB) classified the event as a major marine occurrence per the Transportation Occurrence Investigation Act and referenced the Casualty Investigation Code of the International Maritime Organization (IMO). The Investigator-In-Charge was assigned, and an investigation team was launched to conduct the investigation.

Further information and the progress of the occurrence investigation will be published on the TTSB website.

Ya-Ting Chang, Director

Secretariat Office

Tel: +886-2-7727-6210

E-mail: yating@ttsb.gov.tw

Willis Chen, Investigator-In-Charge

Marine Occurrence Investigation Division

Tel: +886-2-7727-6246

E-mail: willis@ttsb.gov.tw