FleetLeaks is built from official sanctions lists, maritime tracking data, and repeatable automation. This hub explains how data is collected, processed, and published across the site.
Event pages include the rules and evidence used to generate the output. Timestamps are shown in UTC.
Core systems
Sanctions tracking
How we pull, normalize, merge, and publish vessel records from official designations with a daily update cycle and changelog.
Read sanctions methodologyTerminals and zones
How terminal pages are defined, how zones are drawn, and how zone presence is used for filtering and analysis.
Read terminals methodologyAIS Events
How AIS movement becomes candidate events like AIS gaps, loitering, geofence transitions, and STS candidates, with evidence packs.
Read AIS events methodologyCorrections: Send the page URL plus IMO/MMSI and the specific issue. Add a source when you have one.
Use: FleetLeaks publishes OSINT indicators and event trails. Legal determinations require official authorities and additional context.