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It has been an increased number of damaged underwater pipelines, cables and their protective structures in Turkish waters.

Anchors and chains can sever or damage pipelines, power or fiber optic cables and protective mattresses which can lead to costly claims. Even suspected damage incidents (where no actual damage is ultimately ascertained) often trigger administrative investigations, leading to costly underwater inspections, standby tugboat deployments, administrative fines imposed by local authorities and operational delays or detentions on the vessels.

Consequently, shipowners are required to carry out diver inspections using remotely operated vehicles (ROV) and ultra-short baseline (USBL) acoustic positioning systems. In cases where the anchors have entangled the submarine cables, apart from the damage, removal of the anchors is extremely costly. In such cases, the appointment of a diver company would also be subject to the approval of the company that owns the underwater pipeline, cable or structure.

Recommendations

Shipowners are reminded to ensure that charts covering anchorage areas are up to date. Masters should plan the anchoring operation considering swinging circles, location of other vessels in their vicinity, water depth and presence of any cables and pipelines in their company anchoring checklists and procedures.

Once anchored, an anchor watch should be maintained and detailed logbook entries kept. Records of all VTS and port control instructions and warnings should be maintained as they may be scrutinized in the event of a claim.

Shipowners should take note of this information and be guided accordingly. The Managers would like to thank our correspondent Metropole Maritime & Trading Co., Ltd., Istanbul for their assistance on this topic and for providing the information upon which this Alert has been based.

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A significant rise in Global Navigation Satellite System (GNSS) interference incidents affecting vessels in Middle Eastern regions between October 3 and 7, 2025.

According to UKMTO, the number of interference reports has notably increased compared with the same period last week. The affected areas include the Strait of Hormuz, Bandar-e-Pars, Port Sudan, and stretches of the Gulf and Suez Canal. Visual mapping bellow shows the positions of reporting vessels, with red and white pins marking their locations.

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Below you will find weekly report dated 8 October 2025, covering the period of 2 to 8 October 2025, where no incidents were reported:

0 maritime security incidents in West Africa in the last 7 days

0 maritime security incidents in the Indian Ocean/Middle East in the last 7 days.

Full advisory at the following link.

https://britanniapandi.com/wp-content/uploads/2025/10/ARC-Weekly-Report-08.10.25.pdf

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Over the past week, 1-7 October, one CAT 4 incident of armed robbery against ships in Asia.

The incident occurred onboard a tanker at Balongan Anchorage, Indonesia, on 17 September 2025 at 0045 hrs. Three perpetrators were involved, using unspecified weapons. No crew injuries were reported. Some ship stores were stolen and the incident was classified as CAT 4 in significance.

Area of concern