Hungarian armed motorboats were sighted at Göyü, Hungary according to a CIA report dated 1 August 1951

An item reported that at Göyü (Y55), Hungary 2 steel build around 25 metres long armed Hungarian motorboats were sighted which could be used for patrolling and minelaying.

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