The City of Taunton, Massachusetts passed an ordinance which regulated unmanned aircraft , known as "drones". The ordinance required all drones to be registered , banned drones below 400 feet above ground level without property owners permission , and prohibits flights beyond the visual line of sight by the operator . Dr. Benjamin " Hawkeye" Pierce, a medical doctor, filed suit in the federal district court in Massachusetts. State the basis for his lawsuit and what will be the arguments in support of his case.