vasama: ex-tk 52 in soviet service. she was a soviet d 3 type motor torpedo boat. she was found sunk at borstö in october 1941, having run aground in a storm. she probably had tried to escape the german attack on hiiumaa and saaremaa. she was used as a torpedo boat in 1943, and changed into a patrol boat in 1943. returned to soviet union after the continuation war.