River Vessel (Multipurpose)
The third sub-echelon is composed of a group of multipurpose ships from the 1st River Detachment. This sub-echelon is commanded by Frigate Captain Slobodan Šebez
Type 341 Multipurpose River Vessel

The Type 341 multipurpose river vessel is designed to perform mine and anti-mine actions, control river traffic on internal waterways, provide artillery support for ground forces on and near waterways, and conduct longitudinal and transverse transport.
Constructed from aluminum, it has dimensions of 27.00m x 6.50m x 2.70m and a displacement of 77.22/84.07 tons. It is powered by two diesel engines, each with 191 kW, and can reach a maximum speed of 22-28 km/h. It is armed with M-53/59 and 20/4 anti-aircraft guns. The vessel was built in 1999 at the "Brodotehnika" shipyard in Belgrade.
Type 331 Multipurpose River Vessel

Constructed from aluminum, it has dimensions of 27.00m x 6.50m x 2.70m and a displacement of 77.22/84.07 tons. It is powered by two diesel engines, each with 191 kW, and can reach a maximum speed of 22-28 km/h. It is armed with M-53/59 and 20/4 anti-aircraft guns. The vessel was built in 1970 at the "Brodotehnika" shipyard in Belgrade.