Refers to: Ship-owners, Operators, Masters and Managers of PHRS certified vessels
Effective Date: Immediate
Dear All,
This newsletter aims to inform all concerned parties about the current security situation in the Persian Gulf, Strait of Hormuz, Gulf of Oman, Red Sea, and Gulf of Aden.
This information has been provided by both the Liberian and Cook Islands Flag Administrations.
LISCR
Operational Guidance
- Liberian-flagged vessels in the affected area must operate at Security Level 3.
- Follow all measures in the Ship Security Plan.
- Use extreme caution and avoid the area if possible.
- Keep a constant watch on VHF Channel 16 and respond to U.S. military calls.
Navigation & AIS
GPS jamming and AIS interference have been reported. Under International Maritime Organization Resolution A.1106(29), Masters may switch off AIS if they believe it affects the ship’s safety or security. Be aware that vessels have been attacked with AIS both on and off.
Reporting
Vessels should:
- Report to United Kingdom Maritime Trade Operations (UKMTO)
- Register with Maritime Security Centre – Indian Ocean (MSCIO)
- Follow Best Management Practices for Maritime Security (BMPMS)
- Consider voluntary reporting to Information Fusion Centre – Indian Ocean Region (IFCIOR)
In an emergency, contact U.S. NAVCENT or NCAGS immediately.
For the full text please follow the link below.
MCI
Maritime Cook Islands have issued Circular 337/2026 in order to note the continued escalation of military and asymmetric security activities in:
- Persian Gulf
- Strait of Hormuz
- Gulf of Oman
- Red Sea
- Gulf of Aden
The evolving situation presents heightened risks to commercial shipping, including but not limited to:
- Missile and drone attacks
- Naval military operations
- Unmanned aerial and surface threats
- Seizure or detention of vessels
- Disruption of port services
- Rapid changes in port security levels
The geographic scope of the threat environment is expanding and may change at short notice.
For the full text please follow the link below.
For any questions or further assistance, please do not hesitate to contact us at technical@phrs.gr or the Cook Island’s Technical Department sos-alert@maritimecookislands.com.