The first wing sail from Oceanbird, Wing 560, has received Approval in Principle (AiP) from DNV.“It is one of the first stiff wing sails that will tilt in hard winds as a safety feature, that gets an Approval in Principle,” said Niclas Dahl, Managing Director, Oceanbird.
Author: Capt....
https://www.marinelink.com/news/wind-power-aip-oceanbird-wing-507613