Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. The Sonya class were a group of minesweepers built for the Soviet Navy and Soviet allies between 1971 and 1991. The Soviet designation is Project 1265 Yakhont. A wooden hulled coastal minehunter, built as a successor to the Vanya class with new sweeps and more effective sonar. A central safe explosion proof area is fitted and all key systems can be remote controlled from there. A total of 72 ships were built by Uliis yard in Vladivostok and Avangard yard in Petrozavodsk between 1971 and 1991. One ship, the BT-730 was lost in an accident in 1985 Another unit collided with a Swedish surveillance ship (HMS Orion) east of Gotland in the Baltic in November 1985.

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