METHOD FOR NAVIGATION EQUIPMENT OF A SEA AREA AND SELF-PROPELLED UNDERWATER VEHICLE FOR IMPLEMENTATION THEREOF AND ARCTIC UNDERWATER NAVIGATION SYSTEM FOR PILOTING AND NAVIGATION SUPPORT OF SURFACE AND UNDERWATER NAVIGATION OBJECTS IN CONSTRAINED CRUISING CONDITIONS Russian patent published in 2022 - IPC B63G8/00 G01S15/06 G01S15/88 

FIELD: navigation.

SUBSTANCE: group of inventions relates to the navigation of sea areas. Method for installing navigation equipment of a sea area in the Arctic underwater navigation system consists in laying an underwater navigation system with a leader cable on the bottom and creating an electromagnetic pilotage corridor. Self-propelled underwater vehicle comprises an onboard control system, navigation equipment, radio and underwater sound communication equipment, equipment of an underwater navigation system with a leader cable, light fixtures, surveillance and stationary video cameras, depth and temperature sensors, pressure compensators, buoyancy unit, laser pointers, buoyancy changing system, a sonar transponder beacon, a mini all-round view sonar, an inertial measuring apparatus, a single-stage manipulator with a wire cutter. Also claimed is an Arctic underwater navigation system for piloting and navigation support of surface and underwater navigation objects, containing a leader cable laid along the bottom, a coastal current generator, and shipboard equipment.

EFFECT: increase in the accuracy of locating the watercraft.

3 cl, 2 tbl