https://www.maritimepropulsion.com/news/schottel-rudderpropellers-selected-for-613113
SCHOTTEL RudderPropellers Selected for Four Damen ASD Tugs
SCHOTTEL said it will equip four new 1810-series ASD stock tugs from the Dutch Damen Group with the SCHOTTEL RudderPropeller type SRP 270.