NAUTILUS

🇸🇱 Sierra Leone · IMO 9434890

Tanker

NAUTILUS (IMO 9434890) is a sanctioned vessel. As of 2026-08-30, it matched 2 active sanctions records — including the UK HMT/OFSI, program Shipping sanctions: (see 'Other information'). Source: UK HMT/OFSI. (Sanctions lists update daily; verify the current designation before acting.) Check the current status for IMO 9434890 at https://arcnautical.com/check/9434890.

NAUTILUS is a Sierra Leone-flagged vessel with 2 active sanctions designations (OpenSanctions + UK HMT/OFSI) · ownership opacity 40/100.

Key verifiable facts

Sanctions listing Listed on UK HMT/OFSI, program Shipping sanctions: (see 'Other information') Source: UK HMT/OFSI · as of 2026-08-30
Flag-state PSC performance Sierra Leone flag — Paris MoU Black List (13.5% 3-yr detention); Tokyo MoU Black List (12%) Source: Paris MoU WGB 2021–2023 + Tokyo MoU 2023 lists · reconciled as of 2026-05-30
Sanctions screening Screened against OFAC SDN, EU Consolidated, UN Security Council, UK HMT/OFSI, and OpenSanctions vessel lists — 2 confirmed matches on vessel identifier. Source: ArcNautical sanctions screening · as of 2026-08-30

How ArcNautical sources & scores these →

IMO Number

9434890

Flag State

🇸🇱 Sierra Leone

Vessel Type

Tanker

Sanctions Programs

Ukraine War Sanctions

Sanctions Screening Detail

Source list	Programs	Match type	Confidence
OpenSanctions	ua_war_sanctions	Exact IMO	100%
UK HMT/OFSI	Shipping sanctions: (see 'Other information')	Exact IMO	100%

Live Sanctions Screening

Sanctions

RED

2 confirmed matches on vessel identifier.

Ownership Opacity

MEDIUM OPACITY

0 = transparent · 100 = opaque

Vetting Grade

Score: 90/100

unacceptable

Weekly snapshot · as of 2026-08-30

As of 2026-08-30

Request the reviewed intelligence dossier

Ownership chain details, sanctions match evidence, PSC detention records, and PDF report after manual review for NAUTILUS.

Frequently Asked Questions

Is NAUTILUS (IMO 9434890) sanctioned?

NAUTILUS appears in the following sanctions-related databases: Ukraine War Sanctions. Use the live screening tool above for the most current status, as sanctions lists are updated frequently.

What is IMO number 9434890?

IMO 9434890 is the International Maritime Organization identification number permanently assigned to NAUTILUS. IMO numbers are unique 7-digit identifiers that remain with a vessel throughout its lifetime, regardless of changes in name, flag, or ownership. They are the primary identifier used in sanctions screening, port state control, and maritime compliance.

How is the vessel vetting grade calculated?

ArcNautical's vetting grade (A through E) is a composite score based on five weighted factors: PSC detention history (30%), flag state performance (25%), ownership transparency (20%), vessel age (15%), and inspection recency (10%). Data is sourced from Paris MOU, Tokyo MOU, GLEIF corporate registry, and OFAC/EU/UN sanctions databases.

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