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 Group Ohio River valley in 1939. In 1949 the company was renamed All American Airways as it switched from airmail to passenger service; it changed its name again to Allegheny Airlines on January 1,1953. In 1979, Allegheny changed its name to USAir, and in February 1997, to US Airways. In August 2002, US Airways Group Inc. filed for bankruptcy protection in an effort to correct its financial problems brought on by rising costs and the post-Sept. 11 drop-off in air travel. On September 12, 2004, US Airways Group and most of its subsidiaries filed for bankruptcy protection for the second time