NSIB Launches Investigation into Collision Between Container Ship and Oil Tanker

Kasim Sumaina in Abuja 

The Nigerian Safety Investigation Bureau (NSIB) has begun an investigation into the collision between the container vessel MV Maersk Valparaiso and the oil tanker MT Lady Martina, which took place at Bonny Anchorage in Rivers State.

The Bureau has classified the incident as a ‘Very Serious Marine Accident.’

After receiving notification, NSIB immediately activated its marine occurrence response protocols and dispatched an investigation Go‑Team to Onne and Bonny on 22 May 2026 to preserve evidence and conduct preliminary investigative work.

A statement from Director of Public Affairs and Family Assistance, Mrs Funke Adebayo‑Arowojobo, read: “During the initial phase of the investigation, the team boarded both vessels and collected critical evidence, including detailed interviews with the Masters and key crew members. Operational records and navigational data relevant to the casualty were also secured and documented.”

The statement added that the Voyage Data Recorder (VDR) and Electronic Chart Display and Information System (ECDIS) data from MV Maersk Valparaiso have been successfully downloaded for comprehensive forensic and navigational analysis.

It further stated: “In accordance with the International Maritime Organization Casualty Investigation Code (MSC.255(84) and its international obligations, the Bureau has formally notified the Transport Safety Investigation Bureau of Singapore as a substantially interested State and has initiated collaborative engagement with relevant local and international stakeholders.”