STB 21
Get the full STB 21 report — PSC history, sanctions screening, ownership chain, and valuation.
Request accessFull STB 21 due diligence report
Risk assessment, PSC inspection history, detention probability scoring, ownership timeline, market valuation and more — all in one report.
Request accessOwnership and management
VesselScore tracks the registered owner, ISM manager, and commercial operator of STB 21 (IMO 9003809), including historical changes with dates. Frequent changes in ownership or management can signal elevated risk for compliance teams, charterers, and insurers. Request access for the full ownership chain and contact details.
Sanctions screening
VesselScore screens STB 21 (IMO 9003809) against major international sanctions programmes. Reports flag direct designations, ownership chains, and flag-state risks that may trigger compliance obligations.
Port state control inspections
VesselScore aggregates port state control data for STB 21 (IMO 9003809) from all major MoU regions — Paris, Tokyo, Indian Ocean, and more. The scoring model uses inspection history alongside age, flag, and management changes to estimate the probability of future detention.
Market valuation
VesselScore estimates the current market value of STB 21 (IMO 9003809) using a hedonic regression model trained on publicly disclosed vessel sale prices. Valuations factor in type, deadweight, build year, and condition indicators to produce a low-mid-high range with confidence scoring.
Classification and flag history
VesselScore tracks classification society status, flag state changes, and former names for STB 21 (IMO 9003809). Frequent flag changes or class withdrawals can signal elevated risk. Full timelines with dates are available in the report.
AIS tracking and voyage history
VesselScore provides AIS-based tracking for STB 21 (IMO 9003809) including recent port calls and voyage patterns. Reports also detect AIS gaps and loitering events that may indicate sanctions evasion or other irregular behaviour.
Full STB 21 due diligence report
Risk assessment, PSC inspection history, detention probability scoring, ownership timeline, market valuation and more — all in one report.
Request accessEvery PSC detention, every Monday
Free weekly digest: every vessel detained by port state control in the past 7 days, with risk scores and analysis.