Hydrus survey documents coral loss at Hall Bank reef
Advanced Navigation’s Hydrus micro AUV surveyed Hall Bank and documented severe coral bleaching and fragmentation.

Evidence notes
- The mission gathered underwater data at one of the world’s southernmost reef ecosystems.
- The survey revealed bleaching and fragmentation across the observed coral habitat.
- The event records a bounded scientific survey, not a standing deployment.
Company context
Advanced Navigation develops positioning, navigation and autonomy systems for robots, vehicles and maritime platforms operating in GPS-denied or communications-limited environments.