Interference with GPS and AIS in the Mediterranean


Over the past few months, several incidents of interference with GPS and AIS has been detected in the Eastern Mediterranean region.

To understand this risk to commercial shipping, NATO’s Maritime Command has requested that shipping reports the incidents via email to NATO Shipping Centre, which is an entity under NATO’s Maritime Command.

Report format

The report format should be as follows:

Subject: Electronic interference, Mediterranean

  1. Date, time and month (ddhhmm month)/Position at reporting time
  2. Navigation track while observing interference (positions)
  3. Start and end time of experiencing interference (ddhhmm month)
  4. Interference type, systems affected, and how
  5. Assessed area covered by interference
  6. Describe secondary navigation systems used
  7. Communications systems affected
  8. Overall assessment of observations. Please provide free text comment.

Contact information

NATO Shipping Centre
Atlantic Building,
Northwood Headquarters
Telephone +44 (0) 1923-956574 
Fax +44 (0) 1923-956575


Jakob Paaske Larsen
in Copenhagen, DK


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