Aleksey Maryshev

The vessel is designed for research, mapping of shallow water areas, radar survey of the coastline, maintenance of navigable fairways in the Arctic Ocean and the mouths of Siberian rivers (Project 5776).
"The Alexey Marishev is used for comprehensive hydrographic surveys and maintenance of navigational equipment in the waters of ports and approach channels to ports, installation and maintenance of floating aids to navigation and coastal markers, as well as for the delivery of specialists and equipment to shore-based facilities.
It is owned by the russian sanctioned FSUE Hydrographic Enterprise, a part of Rosatom State Corporation.
Hydrographic Enterprise is the owner and operator of one of the largest dredging fleets in russia, the only organisation in russia that creates and provides navigation information for the Northern Sea Route, mainly for large oil and LNG tankers, on the most difficult areas and routes in terms of navigation. Hydrographic Enterprise has provided dredging services for a number of major energy projects in russia, including the Vostok oil project.
In May 2023, USA imposed sanctions on four research vessels of the Hydrographic Enterprise, including the "Aleksey Maryshev", as part of the restrictions on entities involved in expanding russia's future electricity production and export capabilities in strategic industries.

Unknown

Yes

Dudinka (russia), Murmansk (russia), Arkhangelsk (russia)