Sky Airline A320 family planes in 2010 and were fully withdrawn in 2013. Sky Airline Sky Airline is an airline based at Comodoro Arturo Merino Benítez International Airport in Santiago, Chile. It is the second largest airline in the country behind rival LATAM Airlines and the first airline to operate under a low-cost model in the country. It serves international routes to Argentina, Brazil, Peru and Uruguay. It also operates charter flights in Chile and South America. Sky Airline was controlled by its founder, Jürgen Paulmann (1930–2014), a German-Chilean businessman, brother of retail billionaire Horst Paulmann. It started operations in December 2001
American Airlines Flight 77 had already crashed into the North Tower of the World Trade Center and Flight 175 was known to have been hijacked and was within minutes of striking the South Tower. After learning of this second hijacking involving an American Airlines aircraft and the hijacking involving United Airlines, American Airlines' executive vice president Gerard Arpey ordered a nationwide ground stop for the airline. The Indianapolis Air Traffic Control Center, as well as American Airlines dispatchers, made several failed attempts to contact the aircraft. At the time the airplane was hijacked, it was flying over an area of limited radar coverage. With