Sanctions screening of OASIS (IMO 9511387) as of 2026-10-11: RED. 3 confirmed matches on vessel identifier. Source record: EU Consolidated, program eu_journal_sanctions. Sanctions lists update daily; verify the current designation before acting. Check the current status for IMO 9511387 at https://arcnautical.com/check/9511387.
OASIS is a Oman-flagged vessel with 3 confirmed sanctions matches (OpenSanctions + EU Consolidated + UK HMT/OFSI) · ownership opacity 50/100.
Key verifiable facts
Sanctions listingListed on EU Consolidated, program eu_journal_sanctionsSource: EU Consolidated · as of 2026-10-11
Sanctions screeningRED — 3 confirmed matches on vessel identifier.Source: ArcNautical sanctions screening · as of 2026-10-11
LEI registration is voluntary for non-financial maritime entities; absence is itself a signal.
+15No GLEIF/LEI record (LEI registration voluntary for non-financial maritime entities)
+5Flag jurisdiction OM — Tier 2 — Restricted
+30Ownership-chain entity name-matched on a sanctions list or state watchlist (chain-sanctions floor applied)
Recent Port Calls (AIS)
No AIS port-call data captured for OASIS 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: Oman
UnlistedOM
OASIS flies the Oman flag. Detention-rate data is not currently published for this registry.
Live Sanctions Screening
Sanctions
RED
3 confirmed matches on vessel identifier.
Ownership Opacity
50
MEDIUM OPACITY
0 = transparent · 100 = opaque
Vetting Grade
E
Score: 90/100
unacceptable
Weekly snapshot · as of 2026-10-11
As of 2026-10-11
Same check from code, no key: curl https://arcnautical.com/api/v1/vessels/9511387/check · API docs
Request the reviewed intelligence dossier
Ownership chain details, sanctions match evidence, PSC detention records, and PDF report after manual review for OASIS.
Frequently Asked Questions
Is OASIS (IMO 9511387) sanctioned?
OASIS appears in the following sanctions-related databases: Canada SEMA. Use the live screening tool above for the most current status, as sanctions lists are updated frequently.
What is IMO number 9511387?
IMO 9511387 is the International Maritime Organization identification number permanently assigned to OASIS. 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.