Charlotte Douglas International Airport an aviation library with over 9,000 volumes and a very extensive photography collection. Rare aircraft in the collection include one of only two surviving Douglas D-558 Skystreak aircraft and the second (and oldest surviving) U.S.-built Harrier, which was used as the flight-test aircraft and accumulated over 5,000 flight-test hours. In January 2011, the museum acquired N106US, the US Airways Airbus A320 ditched by captain Chesley Sullenberger as US Airways Flight 1549 in the Hudson River on January 15, 2009. This aircraft, which was delivered on June 10, 2011, is about 35 years younger than any other commercial airliner on display
US Airways of December 2013, 780 employees worked in the building. After the merger between American Airlines and US Airways concluded, Hayley Ringle of the "Phoenix Business Journal" stated in December 2013 that the facility became "just a large office of American Airlines Group". That month, John McDonald, the American Airlines vice president of corporate communications and public affairs stated that the US Airways headquarters would continue to be used for at least five years and for the time being most of the employees at the US Airways headquarters would remain. Previously US Airways had its headquarters in Crystal Park Four, a