Celestial Navigation. Pollution Detection.

Autonomous Semi-Submersible Drones

Heavy-duty workhorse robots that operate like hippos—mostly submerged, resilient in rough conditions, and capable of long endurance missions. Using sextant-like celestial navigation to map and monitor oil pollution in offshore waters where GPS is unreliable.

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THE WOW MOMENT

An offshore operator watches in real-time as a HippoNav drone surfaces in the middle of the ocean, triangulates its position using starlight alone, and reveals an oil sheen mapping that precisely identifies the source of a leak within meters—all without any GPS or satellite communication infrastructure.

$75K
Per Month
100km
Coverage
3
North Sea Pilots