The Yugoslavian naval power launches according to a CIA report dated 14 January 1947

An item reported that the Yugoslavian navy possessed several power launches. The Potes, Jaki and Kralievic Marko had a tonnage of 370 tons, were built in 1915 and with a speed of 15 knots. The former American P.T. No. 8 with a tonnage of 45 tons was much faster with a speed of 46-48 knots. Her armament consisted of 1-4cm machinegun, 2-2cm machine guns and 2-12mm machine guns.

Source

The report was published on www.archive.org, document number CIA-RDP82-00457R000200660013-7