SIRIUS 1

The tanker is involved in the export of russian crude oil/oil products under the G7+ oil embargo and the price-cap policy for russian crude oil/oil products, including the disabling of AIS.
The international public organization Greenpeace refers to the tanker as part of the shadow fleet of tankers transporting russian oil around the world and threatening the environment.
The tanker is affiliated with Sino Ship Management Company Limited, which was sanctioned by USA on January 10, 2025 for its activities in the energy sector of the russian economy.
On January 10, 2025, USA imposed sanctions on the tanker, which is considered to be part of the shadow fleet, as a property in which Sino Ship Management Company Limited has an interest.
From July 20, 2025, the EU imposed sanctions on a tanker for transporting crude oil/petroleum products that originate in russia or are exported from russia using irregular and high-risk shipping practices as set out in the International Maritime Organization General Assembly resolution A.1192 (33).
On August 12, 2025, Switzerland imposed sanctions on the vessel.