Naval Systems

Gyurza-M class gunboat / Project 58155

The Gyurza-M class / Project 58155 is a Ukrainian small armored gunboat series built by Kuznia na Rybalskomu for river, harbor, lake, and littoral patrol. The class combines a five-person crew with two remotely controlled KAU-30M modules carrying 30 mm guns, grenade launchers, machine guns, and Barrier anti-tank missiles.

Specifications

Displacement
54 tons
Length
23.0 m
Beam
4.8 m
Draft
1.0 m
Speed
25 knots
Crew
5
Armament
2 × KAU-30M / BM-5M.01 Katran-M remote weapon modules, each with a 30 mm ZTM-1 automatic gun, 30 mm KBA-117 grenade launcher, 7.62 mm PKT machine gun, and two Barrier guided anti-tank missiles
Sensors
Delta-M navigation radar and Sarmat observation/targeting EOS

Service And Conflict Use

Service History

In service
Built for Ukrainian Navy riverine and coastal security missions; the final boat Bucha was commissioned in May 2023.
Used by
Ukrainian Navy
Wars
Russia-Ukraine War

Conflict Usage

Ukrainian Gyurza-M gunboats Berdyansk and Nikopol were directly involved in and captured during the 2018 Kerch Strait incident. During the 2022 full-scale invasion, multiple Gyurza-M boats were captured, one was sunk and later raised by Russia, and at least one Ukrainian Gyurza-M was damaged by a Russian Lancet drone near Ochakiv; a new Gyurza-M, Bucha, was commissioned in 2023 for riverine and coastal defense.

Timeline

Gyurza-M class gunboat / Project 58155 Key Events

  1. Kerch Strait incident

    Bellingcat documented Berdyansk and Nikopol among the Ukrainian vessels intercepted and later captured during the Kerch Strait incident.

    Sources: bellingcat: Investigating The Kerch Strait Incident

  2. Naval loss tracking expands

    Oryx listed Gyurza-M-class gunboats among the Ukrainian naval losses, including captured boats and Lubny, which was sunk and later raised by Russia.

    Sources: Oryx: List Of Naval Losses During The Russian Invasion Of Ukraine

  3. Lancet strike reported near Ochakiv

    The War Zone reported a Gyurza-M-class patrol boat struck by a Russian Lancet loitering munition and later identified the target as a Ukrainian Navy vessel near Ochakiv.

    Sources: The War Zone: Ukrainian Gunboat Struck By Russian Lancet Loitering Munition (Updated)

  4. Bucha commissioned

    Naval News reported that the final Project 58155 Gyurza-M boat, Bucha, was commissioned for the Ukrainian Navy in Kyiv.

    Sources: Naval News: Ukraine commissions Gyurza-M-class Gunboat 'Bucha'

Gyurza-M class gunboat / Project 58155 Images

Related Weapon Systems

Grachonok-class anti-sabotage patrol boat (Project 21980), Anti-sabotage patrol boat, Naval SystemsNaval SystemsGrachonok-class anti-sabotage patrol boat (Project 21980)Anti-sabotage patrol boatThe Grachonok-class anti-sabotage patrol boat, Russian Project 21980, is a small Russian naval security craft designed by KB Vympel and built at several Russian shipyards to protect basing areas, ports, and critical maritime infrastructure. The class combines sonar and electro-optical surveillance with grenade launchers, a 14.5 mm heavy machine gun, and Igla MANPADS, making it a compact diver-hunting and harbor-defense platform.

Sources