The self-propelled floating crane of Project 771 was designed for lifting operations, fitting of chains and anchors of the floating berths, and also for loading on warships and submarines of various weapons and cargo. Floating cranes of this project served on the Northern Fleet and the Black Sea Fleet of the USSR and later - the Russian Federation. In total, 6 harbor self-propelled floating cranes of this type were built for the Navy.

Self-Propelled Floating Crane PK-79050 was laid down 05 April 1952 at the Sevmorzavod, Sevastopol (yard No.2), launched 02 June 1953, commissioned 30 November 1954.

Now in service.