Once you have The Certificate of Proficiency in Yachting (Duelighedsbevis i sejlads for fritidssejlere) you can learn more about navigation and achieve these certificates:

Yacht Master of 3rd degree
Yacht Master of 1st degree
The Certificate of Proficiency in Motor Operation
Radio Certificate

We recommend that you acheive these certificates at Københavns Sejlerskole.

Københavns Sejlerskole is the oldest and largest private sailing school in Denmark. The sailing school has been at sea since and offer future as well as present sailors intensive courses. Their recipe is dynamic, focused and activ teaching with professional teacheres. The school is based in Svanemøllehavnen.

Read more about Københavns Sejlerskole here: http://www.sejlerskole.dk