TIBURON (IMO 9283291) has 2 potential, low-confidence sanctions matches — name-only, with no IMO/MMSI confirmation in the source records — as of 2026-07-12. This is an unconfirmed flag, not a designation; confirm against the primary list(s) (OpenSanctions, UK HMT/OFSI) before treating as sanctioned. Check the current status for IMO 9283291 at https://arcnautical.com/check/9283291.
TIBURON is a Sierra Leone-flagged vessel with 2 active sanctions designations (OpenSanctions + UK HMT/OFSI) · ownership opacity 40/100.
Key verifiable facts
Sanctions listingListed on OpenSanctions, program ua_war_sanctionsSource: OpenSanctions · as of 2026-07-12
Flag-state PSC performanceSierra 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 screeningScreened against OFAC SDN, EU Consolidated, UN Security Council, UK HMT/OFSI, and OpenSanctions vessel lists — 2 potential name matches — IMO not confirmed in source; manual verification required.Source: ArcNautical sanctions screening · as of 2026-07-12
TIBURON matched 2 sanctions records. 1 of these match on exact IMO or MMSI — the highest-confidence form of sanctions identification.
Source list
Programs
Match type
Confidence
OpenSanctions
ua_war_sanctions
Exact IMO
100%
UK HMT/OFSI
Shipping sanctions: (see 'Other information'), Shipping sanctions: (see 'Other information')
Name fuzzy
100%
Corporate Ownership & Opacity
40/100Moderate opacity
Registered entity
Not in GLEIF registry
LEI registration is voluntary for non-financial maritime entities; absence is itself a signal.
+35No GLEIF/LEI record (LEI registration voluntary for non-financial maritime entities)
+5Flag jurisdiction SL — Unclassified
Recent Port Calls (AIS)
No AIS port-call data captured for TIBURON in the last 180 days. Sanctioned vessels frequently transmit AIS irregularly or disable transponders entirely — this absence is itself a vetting signal documented in the OFAC, EU, and IMO sanctions evasion advisories.
Flag State Risk Analysis: Sierra Leone
Black ListSL
TIBURON flies the Sierra Leone flag, which records a Paris MoU 3-year detention rate of 13.5% (Black List) and a Tokyo MoU rate of 12% (Black List). Worst-list placement: Black List.
Live Sanctions Screening
Sanctions
AMBER
2 potential name matches — IMO not confirmed in source; manual verification required.
Ownership Opacity
40
MEDIUM OPACITY
0 = transparent · 100 = opaque
Vetting Grade
C
Score: 55/100
marginal
Weekly snapshot · as of 2026-07-12
As of 2026-07-12
Request the reviewed intelligence dossier
Ownership chain details, sanctions match evidence, PSC detention records, and PDF report after manual review for TIBURON.
Frequently Asked Questions
Is TIBURON (IMO 9283291) sanctioned?
TIBURON has potential name-only matches in sanctions-related databases (Ukraine War Sanctions) — not IMO/MMSI-confirmed, not a designation; manual verification required. Use the live screening tool above for the most current status.
What is IMO number 9283291?
IMO 9283291 is the International Maritime Organization identification number permanently assigned to TIBURON. 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.