First Ro-Pax vessel receives DNV Silent(E) notation following successful sea trials with Wärtsilä propellers
Wärtsilä Corporation, Trade press release, 15 April 2024 at 11 AM EESTTechnology group Wärtsilä has designed and delivered controllable pitch propellers for Stena’s new Ro-Pax vessel, Ala’suinu, which has successfully completed sea trials. Following these sea trials, Ala’suinu became the first Ro-Pax vessel to fulfil the DNV Silent(E) notation, satisfying the criteria in the operating conditions at 11 and 18 knots. This environment class notation from DNV was introduced to protect sensitive marine ecosystems, applying to vessels that demonstrate the ability to effectively reduce emissions