Issues of ensuring safe operation of M-PR class vessels in the north-eastern part of the Black Sea

The article analyzes the current operating conditions for "M-PR" class mixed navigation vessels within the anchorage areas of Port Kavkaz. The analysis considers the geographic regions and navigation seasons for "M-PR" vessels in the Kerch Strait and adjacent Black Sea areas, as regulated by the Rules of the Russian Classification Society. To extend the operating season for self-propelled cargo ships of the "M-PR" class in this region, an approach is proposed based on maintaining equivalent safety levels compared to a reference route. Characteristic navigation conditions for these vessels are determined for the period from March to November, inclusive, within the 10-mile coastal zone extending from the Kerch Strait to the port of Novorossiysk. This determination incorporates an analysis of available shelter locations and the current navigational situation in this water area. A calculation of safety criterion fulfillment is suggested for three routes to account for the specific operational characteristics of mixed navigation vessels within the anchorage areas of Port Kavkaz, where cargo is transshipped to storage vessels. Emergency situations involving mixed navigation vessels in the Kerch Strait area are analyzed. Based on the study results, adjustments to the Russian Classification Society's regulatory framework are proposed regarding the operating season for "M-PR" class vessels in the 10-mile coastal zone from the port of Novorossiysk to the Kerch Strait. For the months with the most severe hydrometeorological conditions (from March to November), the introduction of a wave height restriction of h3% ≤ 2.0 m is justified. Other measures aimed at improving navigation safety under current conditions are also considered.

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