ISO ST · Black List (high risk)
Standard PSC regimeThe Sao Tome and Principe flag holds Black List (high risk) placement across the two largest port state control regimes. Detention rates reflect the percentage of ST-flagged vessels detained out of all inspections at member-state ports over the most recent three-year window. Black-list flags face the highest inspection targeting frequency and the most severe scrutiny on chartering, financing, and insurance.
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9 vessels in ArcNautical's screening index currently fly the Sao Tome and Principe flag and appear on at least one sanctions or watch list (OFAC SDN, EU, UN, UK, Belgium FOD, or RUSI DPRK reports).
| Vessel name | IMO | Programs |
|---|---|---|
| CERES I | 9229439 | ofac |
| DOLPHIN | 9052331 | ofac |
| ELVA | 9196644 | ofac |
| IMPALAS | 9171448 | ofac |
| GONG DE TIAN | 9005065 | ofac |
| LAFIT | 9379698 | ofac |
| NOVA | 9141259 | ofac |
| OCTANS | 9224295 | ofac |
| VOY | 9222443 | ofac |
Screen any hull on this list from code, no key: curl https://arcnautical.com · API docs
Sao Tome and Principe (ST) is not subject to comprehensive country-level sanctions programs. Vessels flying this flag are screened individually against OFAC SDN, EU consolidated, UN Security Council, and UK HMT/OFSI sanctions lists.
Other flag states with similar Paris/Tokyo MoU placement: