The captain goes down with the ship concept has been explicitly extended in law to the pilot in command of an aircraft, in the form of laws stating that he "[has] final authority and responsibility for the operation and safety of the flight." Jurisprudence has explicitly interpreted this by analogy with the captain of a sea vessel. This is particularly relevant when an aircraft is forced to ditch in the ocean and becomes a floating vessel that will almost certainly sink. For example, following the crash of US Airways Flight 1549 into the Hudson River, pilot Chesley Sullenberger was the last person to exit the partially-submerged aircraft,
Pollution of the Hudson River York City waters to the Adirondack watershed. The research indicated that the trends were in line with the recovery that the Hudson River experienced over the preceding few decades, in response to the efforts of activist groups, government officials and industry by cooperating to help clean up the river system. In 1991, zebra mussels, an invasive species, first appeared in the Hudson River, causing the near-disappearance of native pearly mussels. In 2010, the NYSDEC determined that the Indian Point Energy Center, a nuclear power plant in Buchanan, was violating the Clean Water Act because of its large withdrawals of water