![high lift flap rudder can be seen at stern of research vessel](https://www.marinelog.com/wp-content/uploads/2023/03/RV-Prinsesse-Ingrid-Alexandra-152-300x225.jpg)
Research vessel fitted with high-lift DMC flap rudder
A 35-meter coastal research vessel built by Holland Shipyards Group’s shipyard in Hardinxveld-Giessendam, Netherlands, has been fitted with a single high-lift Barke flap rudder and piston-type steering gear system from Damen Marine