A military structure located on the island of Norderney in the North Sea, Germany. The name 'Seefliegerhorst' indicates it was a naval air base (Seefliegerhorst) of the German Kriegsmarine, likely established during the Second World War for maritime patrol and reconnaissance operations. The exact nature, current state, and historical details of any bunker or fortified structures at this specific coordinates are not confirmed by the provided search results.
The island's location in the German Bight made it part of the broader coastal defense network of the era.