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Ukrainian naval drones struck and disabled a sanctioned tanker on 10 December as it transited Ukraine’s exclusive economic zone in the Black Sea en route to the Russian port of Novorossiysk.

The vessel, identified as the Dashan, part of Russia’s so-called “shadow fleet,” is the third Russia-linked ship hit in the region in two weeks. The Security Service of Ukraine (SBU) said the Dashan was traveling at maximum speed with its AIS transponder switched off when explosions tore through its stern, causing “critical damage.” The tanker, under EU and U.K. sanctions and sailing without a clear flag registry. 

Video provided by the agency shows several Sea Baby drones racing toward the tanker before powerful blasts erupt at the rear of the ship. Maritime security sources also confirmed the strike, though no casualties have been reported.

Ukraine says the attack is part of an intensified effort to disrupt Russia’s wartime oil revenues. “The SBU continues active measures to reduce oil-dollar revenues to the Russian budget. In the last two weeks, this is already the third disabled tanker of the ‘shadow fleet’ that helped the Kremlin circumvent international sanctions,” the SBU source said to Kyiv Independent. 

Analysts note that the pressure has already pushed war-risk insurance costs for Black Sea shipping sharply higher.

Watch the video at the following link.

https://www.youtube.com/watch?v=EwWjk-opezQ&t=1s

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Bulk carriers where non-compliance with the requirements of SOLAS Chapter XII, Regulation 13.1 was identified in the forecastle space dewatering system manually operated suction valves.

On bulk carriers and in accordance with SOLAS Regulation XII/13.1, MSC/Circ.1069 and IACS UI SC179, the arrangements for draining and pumping ballast tanks located forward of the collision bulkhead and the bilges of any dry space extending forward of the foremost cargo hold, shall be capable of being brought into operation from a readily accessible enclosed space.

This enclosed space shall be accessible from the navigation bridge or the propulsion machinery control position without the need to walk across open-deck areas (i.e. exposed free board or superstructure decks).

Findings from inspections

During recent inspections on two different bulk carriers from different owners/managers, the following cases in forecastle dewatering system manually operated suction valves were observed:

  • 1st Case: The suction valve was found in the closed position with a warning sign instructing the crew to keep it closed while in port to avoid accidental discharges.
  • 2nd Case: A label above the dewatering valve stated: “DO NOT OPEN WITHOUT CHIEF OFFICER’S PERMISSION”.

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The majority of multi-fatality incidents in enclosed spaces involve at least one rescuer who perished after entering without proper precautions.

Many fatalities involve would-be rescuers – individuals who entered enclosed spaces to save others and became casualties themselves. According to the National Institute for Occupational Safety and Health (NIOSH), more than 60% of confined space deaths occur among rescuers.

At least 1,010 fatalities in enclosed spaces aboard vessels between 2000-2024

Lifeboats incidents: Key observations and lessons learned

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Below you will find the weekly report dated 10 December 2025, covering the period of 4 to 10 December 2025, where the following incidents were reported:

  • 2 maritime security incidents in West Africa in the last 7 days
  • 1 maritime security incident in the Indian Ocean/Middle East in the last 7 days. 

Full advisory at the following link.

https://britanniapandi.com/wp-content/uploads/2025/12/ARC-Weekly-Report-10.12.25.pdf