 "Preussischer Adler" remained in London at the disposal of the acceptance commission during the final months of work on "König Wilhelm" and she escorted the ironclad back to Kiel on 4 May.She then went to participate in the ceremonies surrounding the founding of the port of Wilhelmshaven in the Jade Bight, held from 29 May to 22 June.In August and September, she served with the newly-formed ironclad squadron for its first exercises.