Tan Chon

Q: Is Tan Chon (IMO 7640378) sanctioned?

Tan Chon (IMO 7640378) appears in the following sanctions-related databases: Swiss SECO. Use the live screening tool above for the most current status, as sanctions lists are updated frequently. ArcNautical screens against OFAC SDN, EU consolidated, and UN Security Council sanctions databases in real time.

Q: How is the vessel vetting grade calculated?

ArcNautical's vessel 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 sources include Paris MOU, Tokyo MOU, GLEIF corporate registry, and multiple sanctions databases. The grade ranges from A (acceptable risk) to E (unacceptable risk).

Unknown · IMO 7640378

Commercial Vessel

Tan Chon is a screened vessel with 6 active sanctions designations (OFAC SDN + OpenSanctions) · ownership opacity 40/100.

IMO Number

7640378

Flag State

Unknown

Vessel Type

Commercial Vessel

Sanctions Programs

Swiss SECO

Sanctions Screening Detail

Source list	Programs	Match type	Confidence
OFAC SDN	DPRK	Exact IMO	100%
OpenSanctions	ch_seco_sanctions, kp_rusi_reports, mc_fund_freezes	Name fuzzy	100%
OpenSanctions	un_1718_vessels	Name fuzzy	100%
OpenSanctions	kp_rusi_reports	Name fuzzy	93%
OpenSanctions	kp_rusi_reports	Name fuzzy	93%
OpenSanctions	kp_rusi_reports	Name fuzzy	92%

Flag State Risk Analysis

The flag state for Tan Chon is not currently recorded in public sanctions databases. Flag state identification is a critical element of maritime due diligence, as it determines the regulatory framework governing the vessel's operations, the port state control inspection regime it faces, and the extent to which it may be subject to sanctions enforcement by various jurisdictions. ArcNautical's live screening tool checks the vessel against OFAC SDN, EU, and UN sanctions databases regardless of flag state availability.

Vessels with unknown or undisclosed flag states warrant additional scrutiny in compliance assessments. The absence of flag state data may indicate recent reflagging, administrative gaps in registry reporting, or deliberate obfuscation. ArcNautical's ownership opacity scoring evaluates corporate transparency through GLEIF registry data and beneficial ownership chain analysis, providing an additional layer of risk assessment independent of flag state information.

Live Sanctions Screening

Sanctions

RED

6 matches found

Ownership Opacity

MEDIUM OPACITY

0 = transparent · 100 = opaque

Vetting Grade

Score: 90/100

critical

As of 2026-05-31

Get the full intelligence dossier

Ownership chain details, sanctions match evidence, PSC detention records, and downloadable PDF report for Tan Chon.

Frequently Asked Questions

Is Tan Chon (IMO 7640378) sanctioned?

Tan Chon appears in the following sanctions-related databases: Swiss SECO. Use the live screening tool above for the most current status, as sanctions lists are updated frequently.

What is IMO number 7640378?

IMO 7640378 is the International Maritime Organization identification number permanently assigned to Tan Chon. 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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