The Yunying II is a compact and portable unmanned surface vessel for hydrographic and bathymetry surveying. The 177 mm-wide moon pool supports flexible deployment of different instruments like ADCPs and echo sounders. It supports both remote control mode and auto-pilot mode, performs great line tracking capability. The base station can be easily set up on field, and data can be transmitted in real time. With an extremely low draft of 15cm, the Yunying II USV allows you to survey freely on offshore coasts, shoals and reefs where traditional manned vessel unable to enter.