Project 918M anti-submarine boats


October 17, 2021

Project 918M anti-submarine boats (in NATO code: Pilica) - a series of Polish anti-submarine boats built at the Naval Shipyard in Gdynia. These ships were an extension of the project 918 patrol cutter series. A total of 11 ships were built and commissioned in 1977–1983. They joined the Marine Brigade of Border Ships, which consisted of the units until the disbandment in 1991. As the most valuable ships of the formation, they were not transferred to the newly created Border Guard, but they were kept in the structures of the Navy, being incorporated into the 16th Squadron of Anti-Submarine Cutters in Kołobrzeg, which belonged to the 8th Ships Flotilla. The ships were decommissioned in the Navy in 2005–2006. They were considered to be one of the most important ships of the Navy during their service, with great anti-submarine capabilities.


At the turn of the 1960s and 1970s, a new type of project 918 patrol boats was introduced to service in the Navy for the Marine Brigade of Border Ships (MBOP). As these units turned out to be very successful, it was decided to adapt them to the new tasks of .in. anti-submarine warfare (ZOP). This decision also resulted from the tendency to delegate tasks related to combating enemy submarines to the units of the Marine Brigade of Border Ships. For this purpose, a new type of ZOP cutters was developed, structurally based on the project 918 fishing boats. The sixth unit of the project 918 series received the shipbuilding designation 918M and was built in the configuration of an anti-submarine vessel. Thus, the construction of the project 918 cutters in the standard, patrol configuration was abandoned, additionally changing the designation of the project from 918 to 918M. The changes to the design included, first of all, the addition of sonar with a towed antenna and torpedo tubes. The first five units of the series were introduced into service in the years 1977–1980, and later, in 1982, the flags were raised on another four ships. The last two units were introduced to the line in February 1983. A total of 11 cutters were built to supply the Sea Border Ship Brigade. After the unit was disbanded, in 1991 all ships of the series of types were incorporated into the newly formed 16 Squadron of the Fighting Submarines in Kołobrzeg, belonging to the 8th Coastal Defense Flotilla. The process of withdrawing the units of the 918M project began in March 2005 with the withdrawal of the first three ships: KZOP-169, KZOP-173 and KZOP-175, and ended on March 31, 2006 with the withdrawal of the last four units: KZOP-167, KZOP-168, KZOP -171 and KZOP-174. Thus, the 16th Kutrów ZOP squadron was disbanded.


General Description

Project 918M units were anti-submarine cutters built in a classic monohull design. The vessels were 28.85 m long and 5.8 m wide, while their draft was 1.36 m. The standard displacement of the cutters was 85.6 t, the normal displacement was 86.88 t, and the maximum displacement was 93.03 t. The hull of the vessels was entirely made of steel , welded, with a transverse arrangement of bonds. The design of the units allows them to work at 5 ° on the Beaufort scale. The autonomy of the project ships was 5 days. The crew consisted of 12 officers and sailors. The hull structure was divided into six watertight compartments separated from each other by five bulkheads. In the first compartment from the bow there was a fore peak, a chain box and a storage for boatswain's equipment. The only way to enter the room was through the hatch on the deck. In the second compartment there was a living quarters for eight sailors and an under-floor storage room

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