[3] Due to time and cost, HSwMS Östergötland, like the other ships in the class, was built largely according to the drawings of the Öland-class destroyer.

From the beginning, the air defense consisted of seven 40 mm automatic cannons w / 48 E. These were placed two for the superstructure, one on each side amidships, and three on the aft bridge.

Hälsingland was built at Götaverken in Gothenburg and was launched on 14 January 1957 and commissioned on 17 June 1959.

Gästrikland was decommissioned on 1 July 1982, after which her superstructure has been dismantled and transferred to Upper Norrland's military area, where they were intended to be used for invasion defense.

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