Madame Gu

Q: Is Madame Gu (IMO 1011331) sanctioned?

Madame Gu (IMO 1011331) appears in the following sanctions-related databases: OFAC SDN. 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 1011331

Yacht

Madame Gu is a screened vessel with 2 active sanctions designations (OFAC SDN + OpenSanctions) · ownership opacity 60/100.

IMO Number

1011331

Flag State

Unknown

Vessel Type

Yacht

Sanctions Programs

OFAC SDN

Sanctions Screening Detail

Source list	Programs	Match type	Confidence
OFAC SDN	UKRAINE-EO13661, RUSSIA-EO14024	Exact IMO	100%
OpenSanctions	us_ofac_sdn, us_trade_csl, ua_war_sanctions	Name fuzzy	100%

Live Sanctions Screening

Sanctions

RED

2 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 Madame Gu.

Frequently Asked Questions

Is Madame Gu (IMO 1011331) sanctioned?

Madame Gu appears in the following sanctions-related databases: OFAC SDN. Use the live screening tool above for the most current status, as sanctions lists are updated frequently.

What is IMO number 1011331?

IMO 1011331 is the International Maritime Organization identification number permanently assigned to Madame Gu. 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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