RBP-111 (River Patrol Vessel)
The first sub-echelon of vessels consists of the flagship - the river patrol boat RPB-111, and the special-purpose ship BPN-30 "Kozara."
This sub-echelon is commanded by Corvette Captain Vladimir Milić.
The flag of the Riverine Flotilla is carried by Lieutenant Commander Dragan Stojiljković.
RBP-111 (River Patrol Vessel)

The RBP-111 river patrol vessel is designed for patrolling and controlling river traffic on internal waterways. It is also used for artillery support for ground forces and for both longitudinal and transverse transport.
Constructed from steel, it has dimensions of 24.10m x 4.3m x 1.78m and a displacement of 27.5/29.2 tons. It is powered by two diesel engines, each with 162 kW, and can reach a maximum speed of 20-25 km/h. It is armed with a 20/1 anti-aircraft gun on both the bow and the stern. The vessel was built in Belgrade in 1956.