Sao Tome and Principe Flag State Detention Rate & PSC Performance

Tokyo MoU:black
Tokyo MoU Rate
18.2%
rolling 3-year (2023-2025)
Tokyo MoU Inspections
225
41 detentions
Detentions (36m)
4
from monitoring

Detentions by Year

YearDetentions
20264

Top Detention Ports

PortDetentions
Ulsan, Korea2
Lianyungang1
Zhuhai1

Recent Detentions

DateVesselPortSource
2026-09-28ZHONG HENG HAIZhuhaiMoU
2026-09-22JING RUNUlsan, KoreaMoU
2026-09-03JIN DONG 9Ulsan, KoreaMoU
2026-09-01HONG CHENG YUN 902LianyungangMoU

Frequently Asked Questions

What is Sao Tome and Principe's detention rate?

Sao Tome and Principe does not have a published detention rate from Paris MoU, either because it falls below the inspection threshold or is not covered by this regime.

What list is Sao Tome and Principe on?

Sao Tome and Principe is on the Tokyo MoU black list (rolling 3-year (2023-2025)).

Official rates are from the 2025 Paris MoU and 2025 Tokyo MoU annual reports, calculated over a rolling three-year window. Detention counts from monitoring cover the most recent 36 months.

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