The charred tail section of Delta Flight 191 sits near a runway at Dallas-Fort Worth International Airport in August 1985 after it crashed on approach. Delta quickly retired the "191" designation. Carlos Osorio/AP hide caption

itoggle caption Carlos Osorio/AP

Passengers move away from Asiana Airlines Flight 214 on Saturday in San Francisco. This photo was taken by a passenger. Eugene Anthony Rah/Reuters/Landov hide caption

itoggle caption Eugene Anthony Rah/Reuters/Landov