Ships intending to sail through the Strait of Hormuz (see illustration below) within the following defined geographical areas N25.257°- N28° and E054° - E058°, shall implement ISPS/MarSec Level 2 as defined in the ship's SSP.

The information on this page includes instructions from the Norwegian Maritime Authority to ships flying the Norwegian flag with regards to raising the security level from 1 to 2 or 3, as well as recommendations related to the implementation of measures on board the ship in certain other areas.

The official letters with instructions regarding the raise of security level in the areas concerned, are available as a reference on this page.

The NMA requires ships flying the Norwegian flag to implement security level 2 in the areas indicated in the illustration below.