SL40Y | Unmanned Surface Vehicle丨OceanAlpha
SL40Y profile

Remote Control Survey Boat

Waterjet high speed platform for water discharge and bathymetry measurement

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Rapid installation with ADCP and echosounder

Instruments, such as ADCPs, ecosounders and side scan sonars, with diameter of 5 cm to 18 cm can be rapidly installed to the dedicated cabin on the USV.

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Flexible operation with remote controller

The USV is operated by the remote controller, user can enjoy a higher level of flexibility and safety in harsh working environment.

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High speed & tangle free

The innovative waterjet propeller allows the USV to sail up to 6m/s and effectively avoid being entangled in water plants or rubbishes.

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Stable sailing

The trimaran hull design highly improve the sailing stability in high speed.


Hull Material Fiberglass composite with Kevlar&carbon fiber
Dimension (L)165 cm *(W)70 cm *(H)40 cm
Weight 42 kg
Payload 15 kg
Draft 15 cm
Propulsion Electric water-jet propeller
Collision Avoidance Millimeter Wave Radar
Communication Range Remote Control: 1 km
Max. Speed  10 knots (5 m/s)
Battery Life  8 hours @1.5 m/s

Application Case

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    USV Assist In Pollution Remediation of Yangtze River
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    SL40 Deploys Multiple Sensors to Conduct Underwater and Above-water Survey
  • SL40 USV surveying at night
    SL40 & SL20 USV Measure River Velocity With ADCP in Jiangmen
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