 A day earlier, Dubrovnik amateur radio operators intercepted JRM's messages in which the 9th VPS Boka Command requested for a convoy to be stopped and searched.The convoy's journey towards Dubrovnik proceeded unimpeded up until it reached the Elaphiti Islands where it was stopped by the Yugoslav frigate JRM "Split" between the islands of Brač and Šolta.JRM representatives demanded all vessels to return and "Slavia" to dock in the Montenegrin port of Zelenika, After lengthy negotiations and the thorough search of the vessels, the convoy was allowed to continue its journey towards Dubrovnik.