No major Soviet warships were in action ( most of them were blocked in Leningrad ) .
The Soviet Navy engaged possessed in the area 4 small gunboats , 10 patrol boats ( MO - 4 class submarine chasers ) , and 14 motor torpedo boats .
No major Soviet warships were in action ( most of them were blocked in Leningrad ) , and the Soviet Navy engaged possessed in the area 4 small gunboats , 10 patrol boats ( MO - 4 class submarine chasers ) , and 14 motor torpedo boats .