Sofar Ocean Equipment
Spotter Scout
Solar-powered uncrewed surface vehicle built by Online Oceans carrying Spotter sensing for deep-water station keeping, survey and return-to-home drifting (in beta).
Description
Spotter Scout is an uncrewed, solar-powered surface vehicle built by Online Oceans that carries Sofar's Spotter sensing core. It is currently in beta. Missions are controlled through the browser-based Tether mission control.
Key features
- Mission modes: deep-water station keeping (50 m to 10+ km radius) without a mooring, return-to-home drifting, subsea-to-satellite gateway for seabed sensors, and spatial survey and gap filling
- 340 W solar array and 2 kWh lithium-ion battery
- Magnetic-coupled thruster (no shaft seal) and rudder servo as the only moving parts
- Flooded, self-righting rotomolded hull
- Bristlemouth payload bay, HD camera, Iridium and Starlink communications
- AIS-based collision avoidance
Applications
- Offshore wind site characterization
- Metocean monitoring
- Search and rescue support and oil spill tracking
- Marine protected area monitoring
Specifications
| Length | 2.5 m |
|---|---|
| Beam | 0.8 m |
| Draft | 0.6 m |
| Weight | ~80 kg |
| Cruise speed | 3 knots |
| Endurance | 6+ months |
| Battery-only range | 200 nm |
| Hull construction | Rotomolded plastic |
| Solar array | 340 W |
| Battery capacity | 2 kWh lithium-ion |
| Operational sea state | Sea State 7-8 |
| Survivable sea state | Sea State 9 |
| Station keeping radius | 50 m to 10+ km (configurable) |
| Payload capacity | 30 kg / 300 L |
| Payload voltage | 5-24 V |
| Communications | Iridium; Starlink (on demand); Spotter Iridium SBD backup |
| Service interval | 6 months |
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