Long Island Aviation History Act This bill directs the Department of the Interior to conduct a special resource study of Long Island, New York, with a particular focus on the Hempstead Plains, the areas surrounding Suffolk County Air Force Base, the hamlet of Bethpage, the hamlet of Port Washington, and the village of Farmingdale. Interior shall evaluate the national significance of the area based on an assessment of the aviation history of Long Island and determine the suitability and feasibility of designating the area as a unit of the National Park System in commemoration of Long Island's aviation history.