Ship on the map:

URAL
IMO: 9658642 MMSI: 273618600 Type: Nuclear Icebreaker
ARKTIKA
IMO: 9694725 MMSI: 273210920 Type: Nuclear Icebreaker
SIBIR
IMO: 9774422 MMSI: 273292320 Type: Nuclear Icebreaker
YAKUTIYA
IMO: 9911202 MMSI: 273250170 Type: Icebreaker
total vessels: 4