RIESCO
IMO 9251822
Updated: 19.02.2026
False data used by the vessel
Vessel name
Flag 
Tonga
Tonga
MMSI
Call sign
Vessel name
RIESCO
Category
Transportation of fossil fuels in violation of sanctions and other restrictions
Transporting russian crude oil / petroleum products Transportation of Iranian crude oil / petroleum products
IMO
9251822
Flag (Current)
unknown
MMSI
Call sign
Vessel Type
Crude Oil Tanker
Length (m)
231.42
Gross tonnage
57567
DWT
106500
P&I Club
Sanctions lifted
The person in connection with whom
sanctions have been applied
sanctions have been applied
False data used by the vessel
Vessel name
Flag Tonga
Tonga
MMSI
Call sign
Provide additional information
Justification
Vessel information
The tanker is involved in the transportation of russian crude oil/petroleum products, as well as iranian crude oil, including through STS transfers with sanctioned tankers.
In August 2025, tanker IMO 9251822 loaded Iranian crude oil from sanctioned vessel IMO 9328716 in the eastern zone of the Port of Singapore (EOPL).
On November 20, 2025, the US imposed sanctions on the tanker.
On February 12, 2026, Ukraine imposed sanctions on the vessel as part of restrictions on the russian shadow fleet.
In August 2025, tanker IMO 9251822 loaded Iranian crude oil from sanctioned vessel IMO 9328716 in the eastern zone of the Port of Singapore (EOPL).
On November 20, 2025, the US imposed sanctions on the tanker.
On February 12, 2026, Ukraine imposed sanctions on the vessel as part of restrictions on the russian shadow fleet.
Visited ports
Al Basra Oil Terminal (Iraq), Nianyuwan (PRC), Qianwan (PRC), Fujairah (UAE), Lamma Island (PRC), Erman (PRC), Changxindao (PRC), Kabil (Indonesia), Telaga Punggur (Indonesia)
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Available additional information
Ship Owner (IMO / Country / Date)
Arkadia Maritime Inc (6424059 / Marshall Islands / 14.08.2023)
Commercial ship manager (IMO / Country / Date)
Arkadia Maritime Inc (6424059 / Marshall Islands / 14.08.2023)
Ship Safety Management Manager (IMO / Country / Date)
Guinevere Ship Management Pvt (0011190 / India / 18.10.2024)
Former ship names
British Willow / Afra Willow / Willowy / Aquaris
Flags (former)
Isle of Man / 
Liberia / 
PanamaBuild year
2003
Builder (country)
Tsuneishi Shipbuilding Co Ltd
