• Source: Sorum-class tugboat

    • The Sorum class, Soviet designation Project 745, is a series of seagoing tugs built for the Soviet Navy and KGB Border Troops, and later operated by the Russian Navy and FSB Border Service.
    These vessels perform the standard missions of a seagoing tugboat with other missions such as protecting and patrolling Russian maritime borders, enforcing navigational rules and law enforcement, search and rescue, and fisheries protection.


    Design


    Project 745 seagoing tug
    The oceangoing tugs are auxiliary vessels for the Soviet Navy, later the Russian Navy.
    Project 745P patrol ship
    The border patrol ships are modified versions of the original Project 745. They are armed with two 30 mm AK-230M or AK-306 gun mounts giving them the ability to fire on surface, air and ground targets, and are equipped with the Kolonka-1 fire-control system to control these weapons.
    Project 07452 experimental vessel
    The reconnaissance vessel is a version of the original Project 745, which is a testbed for SIGINT and hydroacoustic equipment.
    Project 745MB seagoing tug
    The oceangoing tug is a modernized version of the original Project 745. It is equipped with two main diesel gensets (2 × 1,500 kW), three auxiliary diesel gensets (2 × 200 kW + 1 × 100 kW), an asynchronous propulsion motor (1 × 2,720 PS or 2,680 shp) and a bow thruster.
    Project 745MBS rescue tug
    The rescue tug is a SAR version of the modernized Project 745MB, which is equipped with a switched reluctance propulsion motor instead of an asynchronous one.
    Externally, the Projects 745MB and 745MBS tugs can be distinguished from the original Project 745 tugs by twin funnels instead of one.































    History


    A Project 745P border patrol ship was involved in an incident involving Greenpeace vessel where the Russian ship fired warning shots, and later seized a Greenpeace vessel after they attempted to board an oil rig in the Arctic in 2013.
    Another Project 745P border patrol ship rammed a Ukrainian tug in the Kerch Strait on November 25, 2018.


    See also


    List of ships of Russia by project number
    List of NATO reporting names for equipment


    Notes




    References




    Further reading


    Polmar, Norman (1986). Guide to the Soviet Navy (4th ed.). Annapolis, Md.: Naval Institute Press. pp. 8–9, 82, 322, 385. ISBN 0-87021-240-0.
    Grigoryev, Andrey V. (June 2023). История и современное состояние судовых систем электродвижения (PDF). WWW.KORABEL.RU (in Russian). No. 2. Saint Petersburg. pp. 116–122. Retrieved 10 March 2024.


    External links



    "Seagoing tug - Project 745". Russianships.info. Archived from the original on 17 November 2023. Retrieved 10 March 2024.
    Морской буксир проекта 745МБ [Project 745MB seagoing tug]. JSC "Zelenodolsk Plant named after A.M. Gorky" (in Russian). Archived from the original on 18 July 2020. Retrieved 10 March 2024.

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