MARAD, The United States Maritime Administration, has issued a new alert in which it advises that multiple instances of significant GPS interference have been reported worldwide in the maritime domain.

This interference is resulting in lost or inaccurate GPS signals affecting bridge navigation, GPS-based timing, and communications equipment. Satellite communications equipment may also be impacted.

Over the last year, areas from which multiple instances have been reported include the eastern and central Mediterranean Sea, the Persian Gulf, and multiple Chinese ports. The U.S. Transportation Command “Message for Industry” at provides additional GPS interference information.

Full information can be found at:

Should you have any questions following this information, please do not hesitate to contact us.

EF Marine provides Fixed Premium P&I solutions to Shipowners, Charterers and MultiModal operators. EF Marine has a global client base and offices in Singapore and Rotterdam. EF Marine provides ‘AA-‘rated security from Swiss Re Corporate Solutions with limits up to USD 500m. Through our partnership with Swiss Re Corporate Solutions we provide our clients with first class security combined with EF Marine’s extensive knowledge of the P&I market.


EF MARINE VARIOUS GPS 30-10-2020.pdf