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,
US Airways that it would mean less competition and higher prices. Arizona, Florida, Pennsylvania, Texas and Virginia, states where either American or US Airways maintained a large presence, were among the plaintiffs in the lawsuit, as was Tennessee. On November 12, 2013, the two companies reached a deal with the Department of Justice. That allowed the companies to complete the merger on December 9, 2013. On April 8, 2015, American Airlines flights operated by US Airways retired the Cactus callsign used by US Airways since the America West merger. The final flight to use it was Flight 774 from London to Philadelphia.