Sanctions screening of ALTAIR (IMO 8943416) as of 2026-10-11: AMBER. 1 listing matched on identifier in a non-designating source (a watchlist or advisory list, not an OFAC, EU, UK or UN designation); manual verification required. Check the current status for IMO 8943416 at https://arcnautical.com/check/8943416.
ALTAIR is a Sierra Leone-flagged vessel with 2 unconfirmed sanctions matches (OpenSanctions, review required) · ownership opacity 100/100 · last AIS contact at Istanbul (Ambarli) on 2026-05-17.
Key verifiable facts
Unconfirmed sanctions matchIMO match on OpenSanctions, program ua_war_sanctions — a watchlist or unconfirmed record, not a confirmed designationSource: OpenSanctions · as of 2026-10-11Needs review — manual verification against the primary list is required.
Flag-state PSC performanceSierra Leone flag — Paris MoU Grey List (5.8% 3-yr detention); Tokyo MoU Black List (13.6%)Source: Paris MoU WGB 2021–2023 + Tokyo MoU 2023 lists · reconciled as of 2026-05-30
Sanctions screeningAMBER — 1 listing matched on identifier in a non-designating source (a watchlist or advisory list, not an OFAC, EU, UK or UN designation); manual verification required.Source: ArcNautical sanctions screening · as of 2026-10-11
ALTAIR matched 2 sanctions records. 1 of these is an IMO or MMSI match in a watchlist or unconfirmed record, not a confirmed designation — review before applying compliance actions.
Source list
Programs
Match type
Confidence
OpenSanctions
ua_war_sanctions
Exact IMO
100%
OpenSanctions
us_trade_csl, us_ofac_sdn
Name fuzzy
89%
Corporate Ownership & Opacity
100/100High 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)
+25Flag jurisdiction SL — Tier 3 — Opaque
+10No public beneficial-ownership record on a flag-of-convenience register
+30Ownership-chain entity name-matched on a sanctions list or state watchlist (chain-sanctions floor applied)
Recent Port Calls (AIS, last 180 days)
1 port call recorded for ALTAIR across 1 port. Last seen on 2026-05-17.
Most-visited ports (180d): Istanbul (Ambarli) (1).
ALTAIR flies the Sierra Leone flag, which records a Paris MoU 3-year detention rate of 5.8% (Grey List) and a Tokyo MoU rate of 13.6% (Black List). Worst-list placement: Black List.
Across the last 24 months, the Abuja MoU dataset logged 210 distinct vessel detentions (as of 2026-10-04), sourced from OpenSanctions abuja_mou_detention.
Live Sanctions Screening
Sanctions
AMBER
1 listing matched on identifier in a non-designating source (a watchlist or advisory list, not an OFAC, EU, UK or UN designation); manual verification required.
Ownership Opacity
100
HIGH OPACITY
0 = transparent · 100 = opaque
Vetting Grade
E
Score: 81/100
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/8943416/check · API docs
Request the reviewed intelligence dossier
Ownership chain details, sanctions match evidence, PSC detention records, and PDF report after manual review for ALTAIR.
Frequently Asked Questions
Is ALTAIR (IMO 8943416) sanctioned?
Sanctions screening of ALTAIR (IMO 8943416) returned AMBER. 1 listing matched on identifier in a non-designating source (a watchlist or advisory list, not an OFAC, EU, UK or UN designation); manual verification required. Related programs: Ukraine War Sanctions. Use the live screening tool above for the most current status.
What is IMO number 8943416?
IMO 8943416 is the International Maritime Organization identification number permanently assigned to ALTAIR. 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.