Varig economic difficulty. This purchase not only made Varig the largest airline in South America but also granted rights to other cities in Latin America, Miami, the West Coast of the United States and to Japan. European services started on . Varig had been lobbying for European concessions for more than ten years, but after the sudden shutdown of Panair do Brasil by the Brazilian military government Varig was granted rights previously held by Panair and was ordered to immediately operate all scheduled services, including Panair's flight scheduled to depart that very night from Rio de Janeiro-Galeão to Recife, Lisbon, Paris-Orly
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