Noordzee-class tugboat
The Noordzee class are a class of tugboats used by the Royal Netherlands Navy to dock their larger ships at the Nieuwe Haven Naval Base. History 
In January 2014 it was announced that the older  tugboats were not capable enough anymore to handle the newer larger vessels like  and the four oldest ships would be replaced by three Damen build hybrid tugboats. These would become the Noordzee class. With the arrival of the first new tugboat, , the older tugboats did not prove completely useless when the power onboard Noordzee shut off due to contaminated fuel along the coast of North-Holland and  had to assist. As an avocation to their main purpose they are used for trips with guests around the harbour. Ships in class

Namesakes 
All the ships are named after seas with current or former Dutch shores:
 HNLMS Noordzees namesake is the North Sea. HNLMS Waddenzees namesake is the Wadden Sea. HNLMS Zuiderzees namesake is the Zuiderzee. Citations 

Tugboats of the Royal Netherlands Navy