This tugboat project was developed by Vympel Design Bureau (Nizhny Novgorod, Russia). The vessel is designed to support towing and tilting operations, and is a small steel shallow draft harbor tug with a wheelhouse. Two DEUTZ BF6M1015MC diesel engines operate on 2 adjustable pitch propellers with a diameter of 1,1 m made of bronze, located in non-rotating nozzles. The vessel is equipped with two 22 kW diesel generators. The depth of the side of the tug is 2,5 meters, the bollard pull in the mooring mode is 50 kN. The autonomy of the tug is 3 days.

Tug RB-371 laid down at the Astrakhan Shipyard (yard No.012) on 2018, launched on 2019, commissioned 24 July 2020.

Now in service.