U.S. MARITIME ALERT 2018-004A

THREAT TYPE:  POTENTIAL GPS INTERFERENCE

GEOGRAPHIC AREA: EASTERN MEDITERRANEAN SEA

Multiple maritime incidents have been reported in the Eastern Mediterranean Sea in the vicinity of position 32-24.0N, 029-29.9E between March 18-22, 2018. These incidents have not been confirmed. The nature of the incident is reported to be GPS interference. Five vessels and one aircraft operating between Cyprus and Port Said, Egypt have reported GPS disruptions/interference occurring over extended periods and resulting in either inaccurate positions or no position.  Exercise caution when transiting this area. Further updates may follow. This alert will automatically expire on March 30, 2018.  Reports of GPS degradations, disruptions, and other incidents or anomalies can be made via the U.S. Coast Guard Navigation Center website at: https://www.navcen.uscg.gov/?pageName=gpsUserInput.