SDCL § 61-1-25: Crew members of American vessels included.

Notwithstanding § 61-1-26, the term, employment, includes all service performed by an officer or member of the crew of an American vessel on or in the connection with such vessel, if the operating office, from which the operations of such vessel operating on navigable waters within, or within and without, the United States are ordinarily and regularly supervised, managed, directed, and controlled is within the state.