Ocean Alpha hydrographic USV

The hydrographic USv of the Ocean Alpha range are rugged, powerful, stable and specifically designed to meet all the requirements for hydrographic and bathymetric applications. These surface drones operate in all types of environments and efficiently improve productivity while ensuring safe working conditions.

/ Dolphin in the French press

/ Our products



Dolphin 1

Hull material

Carbon fiber

Carbon fiber



250 x 140 x 70 cm

330 x 190 x 180 cm

115 x 83 x 21 cm


150 kg

500 kg

13 kg


40 cm

40 cm

0,2 m




22 kg


Electric propeller

Electric, thermal, hybrid propeller

Electric propulsion


5 m/s max.

3.5 m/s max.

4 m/s (8 knots)


8 hours minimum (speed 1.5m/s)

11 hours minimum (speed 1.5m/s)

30 minutes

Remote control range

1 km

1 km

500 m

Wireless control station range

2 km

2 km


/ Video

Ocean Alpha hydrographic USV can be combined with a wide variety of sensors (single and multibeam echosounders, Lidars, sonars, etc.), for high-performance data acquisition in all environments.

QINSY or QIMERA software suites can be used as a complement, to synchronize the data from all the sensors integrated in the acquisition system, and allowing for the application and processing thereof.


Discover our services

Our philosophy is to support our clients at all key stages of their projects.


A wide choice of rental sensors and acquisition systems, systems integration services, tailor-made training and technical support. Our rental catalog also includes complete systems, combining sensors of different technologies and from the main world-leading manufacturers.


Choosing Cadden as your project partner allows you to benefit from relevant technical advice, before, during, and after delivery. We accompany you during installation and provide technical support, even after the end of the equipment warranty.


Our trainers have advanced knowledge of all the solutions provided. Thanks to a close partnership with all of our suppliers, our training team will provide you with tailor-made solutions, training adapted to your applications.