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 of a strained relationship with Allegheny County, with which the airline shared significant historical ties. US Airways Group Inc. said October 3, 2007 it would cut mainline flights at Pittsburgh International Airport to 22 a day from 31 and reduce regional flights to 46 a day from 77, beginning January 6, 2008, essentially reducing the airport to a destination spoke in its network. Pittsburgh was no longer a focus city for the airline as of its most recent annual report and January 2008 flight schedule reductions. US Airways East pilots took steps to relinquish their ALPA membership and form their