The Gawron class () or Projekt 621 was a planned class of multipurpose

corvette A corvette is a small warship. It is traditionally the smallest class of vessel considered to be a proper (or " rated") warship. The warship class above the corvette is that of the frigate, while the class below was historically that of the sloo ...

s ordered by

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. The Gawron class was a variant of the MEKO A-100 project developed by the

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shipyard in

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. Construction of the first ship of the class started in 2001. The project was terminated in February 2012 but in October 2013 a contract was signed to complete the existing hull as a patrol ship by 2016. On 2 July 2015, ORP ''Ślązak'' was christened and launched, and on 28 November 2019, ORP ''Ślązak'' was officially commissioned into the Polish Navy.

Construction of Projekt 621 class corvettes

The contract for the construction of seven multi-purpose corvettes of project 621 was signed on November 27, 2001. It was decided to use the ready-made design of the

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Meko A-100 ships, and therefore a license was purchased for them. The keel was laid the next day, November 28, 2001. However, due to the limitation of the Gawron series program by the Ministry of National Defense to only one unit in December 2002, and a significant reduction in financing the construction of the prototype ship, the construction of the first ship in the series encountered financial difficulties. Therefore, the construction of the ship could not proceed in a timely manner. On June 26, 2003, an annex to the original 2001 contract was signed, which abandoned the option for another six ships, which meant that the order was limited to only one vessel. Lack of progress in construction due to insufficient financing resulted in the fact that in February 2012 the

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decided to close the Gawron corvette program in its entirety and sell the unfinished

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. In the same year, however, decisions were made to build a patrol unit with limited combat capabilities based on the ship's hull. The prototype unit was launched as a patrol ship in 2015, designated the project 621M. The name of the vessel was changed from "Gawron" to "Ślązak" (). At the time of the cancellation, the hull of the first ship was largely completed at the cost of 402 million PLN (~US$130m), but equipping it would have cost an additional 1 billion PLN (~US$320m). A single existing ''Gawron'' hull will be completed without main armament as heavy patrol vessel at the cost of 100 million PLN.

Ships

Projekt 621M class patrol corvette

Due to the fact that in 2012 it was decided to convert the unfinished project 621

into a patrol unit, a number of changes were introduced to the project. The ship's design was designated 621M. The changes included, among others, space on the side for two boats: one boarding and one working. The ceremonial launching and baptism of the ship took place on July 2, 2015 at the Naval Shipyard in Gdynia . It was planned that the Silesian would be handed over to the recipient by November 2016, but in 2016 a delay of several months in its construction was announced. In the same year, the main armament was installed in "Ślązak", and in 2017, radars and two Marlin-WS guns. In January 2018, work on the construction of the vessel was suspended, and in March 2018, the ship was taken over by the trustee of the already bankrupt MW shipyard by the Armament Inspectorate in order to complete the construction in the newly created

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belonging to

Polska Grupa Zbrojeniowa The Polska Grupa Zbrojeniowa or PGZ SA ( English: ''Polish Armaments Group'') is a holding company established by the Polish government in 2013 to unite Polish state owned defence industry companies. Headquartered in Radom, the group is Poland's ...

. In June 2018, an agreement was signed between the Armament Inspectorate and a consortium of Polska Grupa Zbrojeniowa and PGZ Stocznia Wojenna for the completion of the construction of ''Ślązak'', conducting tests of the ship and delivery and acceptance tests . On November 8, 2019, PGZ SA and PGZ Stocznia Wojenna, after successfully completing all tests and shipbuilding and sea trials, handed over ''Ślązak'' to the Polish Navy, and on November 28, 2019, the flag of the war was raised on it as an patrol corvette.

Final armament

* Guns: 1 × OTO Melara 76 mm gun, 2 × Marlin-WS, 4 × WKM-B 12,7 mm guns * Anti air: 4 × PPZR Grom

References

External links