AIS
3 articlesWhat Is AIS Ship Tracking, and What If Ships Go Dark?
What AIS ship tracking is: the SOLAS carriage rule, what each message carries, shore vs satellite reception, why tracks have gaps, how radar finds dark ships.
2026-10-29 · 14 min read
What Is a Transit Anomaly? Telling an Unusual Change in Ship Traffic at a Strait from Routine Variation
A transit anomaly is a count of ships through a strait or canal that has left that place's own usual level. How transits are counted from AIS, what moves the count besides a disruption, and how to read it without guessing a cause.
2026-10-07 · 11 min read
Maritime Vessel Detection from Satellite SAR and Optical Imagery
How satellites detect and track ships at sea using SAR and optical sensors, enabling maritime domain awareness, illegal fishing detection, and sanctions enforcement. Covers detection methods, AIS correlation, and dark vessel identification.
2025-12-11 · 7 min read