Built with steel hulls using a mixed welding and riveted construction they were intended to be very comfortable on long voyages, with central heating, sauna and even a cinema!
In practice they proved unstable in big seas and with their deep draft were frequent victims to mines. Despite this, 42 were built, with 18 sunk during the war. The vessels designated with a single-digit (T-1 to T-8) were assigned to Pacific Fleet, T-201 to T-221 - to the Baltic fleet, and T-401 to T-415 - to the Black Sea fleet.
With 1 x 100 mm naval cannon, it could also be fitted with many AA options such as:
- 1 x 45mm or
- 1-3 x 37mm or
- 2 x 25mm A guns
- 2 x Oerlikon 20 mm cannon (1942 upgrade in Baltic Fleet)
In cruel Seas this relates to the weapon fit of; 1x 4" gun, 1x 40 mm, 2x 20 mm, 2x HMG, 2x MG, Depth Charges, Smoke and Mortar
Models supplied unassembled and unpainted