Buoy tender vessels like the "Kazarka" maintain floating and coastal navigation signs, monitor the depth of the fairway, and periodically tow barges with a displacement of no more than 400 tons in the inland river network.
This is a single-hull vessel with a steel hull having beam camber, a forecastle, stern hog, a semi-sunken superstructure, a raised wheelhouse made of aluminum-magnesium alloy, and a bow thruster.
Project 3050.1A vessels are being built by order of FKU "Rechvodput" as part of the renewal of the service fleet; the work is being carried out by OOO "Kingisepp Machine-Building Plant." The buoy tender vessel was developed at the Gorky Central Design Bureau of River Fleet.
Characteristics of Project 3050.1A vessels:
- length overall, m - 26.80;
- width overall, m - 4.20;
- side height at midships H, m - 1.50;
- freeboard height, m - 0.604;
- draft at DWL, m - 1.00;
- main engine power, kW - 1×220;
- calculated speed in calm water, km/h - 20.0;
- crew, people - 6;
- endurance, days - 6.
The motor vessel is equipped with the latest ship power plant control systems, devices for servicing navigation equipment on inland waterways, and modern communication and navigation equipment.
It also has a crane-manipulator with a lifting capacity of 1 ton for servicing navigation signs.
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