[2] During this time, on 1 October 1770 the ship ran aground at the entrance to Port Mahon[3] In September 1774, Printz Friderich returned to Denmark from the West Indies.

[4] On 29 September 1780, Printz Friderich was under the command of Andreas Lous, a well respected naval officer and chart maker of the period.

She ran aground on the shoal Kobbergrund southeast of the island of Læsø in the Kattegat and was a total loss.

Almost a month later the Danish frigate Kiel under Claus Frandsen Tønder also ran aground near Læsø but escaped without damage having jettisoned eight cannon.

In 2018 a specialist Underwater Group,[10] using several forms of modern survey equipment eventually found the wreck largely intact.