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The OtterSeadrone by Maritime Robotics

THE OTTER UNCREWED SURFACE VESSEL (USV)for sheltered and coastal waters. Robust and effective, designed for precise data acquisition, environmental monitoring, and surveillance.

Efficient operations
through seamless integration

The Otter’s versatile design allows for easy integration of diverse payloads, ensuring precise data collection. Its Vehicle Control Station (VCS) simplifies access to survey sites by combining remote and autonomous navigation. The VCS also provides real-time data visualization through a user-friendly interface.

Clean operations
with zero emission

Powered by four battery packs and two electric thrusters, the Otter operates emission-free for up to 20 hours, depending on conditions and payload. This all-electric system eliminates CO2 emissions, offering a sustainable alternative to traditional survey vessels.

Portable & adaptable
for rapid deployment

The Otter’s compact, modular design enables easy transport and quick deployment to various survey locations. Its plug-and-play system allows for swift payload changes, such as sonar installation, enhancing its adaptability and operational efficiency in the field.
2000 mm
1065 mm
1080 mm

Primary Specifications

Dry weight 62 kg
Top speed* 6 kts
Endurance* 20 h
Payload capacity* 30 kg
Communication links 5GHz MIMO radio / Wifi / 4G
Situational awareness Camera / AIS Class B
*Depending on conditions and payload integrations.

Optional Specifications

Additional communication links MBR / VHF
Data capturing software SeaCapture
Enhanced situational awareness SeaSight

Advanced control and navigation

The Otter’s VCS is one of the core components of our Autonomous Navigation System, offering a highly user-friendly interface for controlling and monitoring the vessel, enabling surveys with optimal operational efficiency. The system includes various autonomous features and control modes such as course and speed adjustments, heading control, and waypoint navigation, enabling operators to plan and execute missions with ease. The flexibility of controlling the Otter through a rugged laptop or using a mobile app for manual joystick-like control enhances its mobility. Additionally, the VCS offers integrated sensor data displayed live in its multi-functional interface, ensuring efficiency, accuracy and quality control. Operators can monitor and adjust sensor data quality parameters in the VCS, enabling critical real-time operational decision making.

Sustainable operations

Emphasizing eco-friendliness, the Otter is equipped with electric thrusters powered by up to four powerful, easily interchangeable battery packs. This enables operational endurance of up to 20 hours at 2 knots, offering a best-in-class endurance for its size. The battery solution also guarantees quick access to replacement parts, considering its off-the-shelf components.

Portability and assembly

The Otter’s design offers portability and modularity. Its modular construction and lightweight build enable it to be transported in small cargo vans, ensuring accessibility to a variety of survey sites. The modular components, each weighing less than 20 kg, can be quickly assembled or disassembled by a single operator, making it easy to transport, assemble and launch the Otter at locations like lakesides, riversides and harbors.

Robust design for sheltered areas

With its sturdy catamaran build and integrated survey sensors, the Otter is a cost effective, ready-to-use solution for surveying and monitoring enclosed waters and sheltered areas. Its advanced capabilities make it suitable for a range of applications, including bathymetric and hydrographic surveying, scientific data collection, as well as surveilling and securing small lakes, canals, rivers, ponds, and harbor areas.

Downloads

Otter brochure

(514.39 KB) Download

SeaSight brochure

(3.82 MB) Download

SeaCapture brochure

(972.83 KB) Download
Close-up of Otter USV with SeaSight mounted, showing cameras and instrumentation on black background.

The Otter USV equipped with SeaSight offers unmatched situational awareness for nearshore and inland operations. Its compact design supports autonomous navigation in complex environments.

Side angle of Otter USV rendered on black background, showing full structure and sensor positioning.

The Otter sea drone is a lightweight, portable USV that delivers full-scale autonomous capabilities in shallow water surveys, equipped with SeaSight for 360-degree awareness (optional).

Front-facing view of the Otter USV with active green and red navigation lights and SeaSight system.

This compact USV offers enhanced navigation safety with SeaSight’s multi-sensor fusion (optional), enabling real-time awareness for fully remote operations.

SeaSight sensor system rendered independently, showing four lenses and LiDAR unit.

SeaSight is a plug-and-play module delivering panoramic imaging, obstacle detection, and LiDAR for intelligent maritime autonomy.

Detailed sensor view of SeaSight system on top of the Otter USV, highlighting multi-camera array and LiDAR.

SeaSight gives the Otter USV full autonomy and precise situational mapping—ideal for port security, inspections, and surveillance.

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