DIAMOND II — Know Your Vessel

Present Location

Risk Assessment

• OFAC SANCTIONED — IRAN (designated unknown date)
• FLAG HOPPING — 18 flag changes recorded
• CII RATING E — worst carbon intensity rating
• ABNORMAL PORT DWELL — avg 530h per port visit

Sanctions Status

Remarks: Former Vessel Flag Malta; Additional Sanctions Information - Subject to Secondary Sanctions; Vessel Registration Identification IMO 9218478; MMSI 256865000; Linked To: NATIONAL IRANIAN TANKER COMPANY.

Identity History

Flag changes:

Carbon Intensity (CII)

EU MRV 2021: 99,900 t CO2, 32,000 t fuel

Voyage Pattern

Primary route: KHOR FAKKAN → ZHOUSHAN

Data period: 2024-02-03 to 2025-12-10

Recent port calls:

Loitering Events

5 events, 38 hours total (stationary at sea — possible STS transfers)

STS Encounter Detection

Other vessels detected loitering at the same position and time (within ~30nm, overlapping window)

2025-08-06 — Fujairah / Hormuz

4 unique vessels encountered, 3 sanctioned

P&I Insurance

No entry found in American P&I — coverage not determined

Only American P&I could be queried. The International Group's combined ship search (the other 12 clubs) blocks automated lookups, so those were not checked. Absence here is not evidence that the vessel is uninsured.

Last checked: 2026-05-13 03:13:45

Port State Control

No inspection data held. This is not a clean record — we currently hold no PSC inspections for any vessel. Do not read the absence of detentions here as evidence of none.

Check Paris MOU and USCG PSIX directly for this vessel.

Cargo Manifests

No manifest data held. Our upstream manifest source now blocks automated access, so this dataset is empty for every vessel — absence here says nothing about this ship's cargo history.

Data sources: OFAC SDN, EU MRV (EMSA), CII computed, Global Fishing Watch, American P&I (ship search). All records cryptographically attested on Polygon.