Soviet patrol boats sighted in the Austrian Korneuburg shipyards according to a CIA report dated 1 August 1951

An item reported that in the Austrian Korneuburg shipyards 3 small Soviet patrol boats were sighted. All three were fitted out with mine-laying equipment and an armament consisting of light machineguns.(1)

Note
1. Austria was occupied by the Allies between 1945-15 May 1955.

Source
The report was published on www.archive.org, document number CIA-RDP82-00457R008200820004-1