One letter, two beacons: American Airlines Flight 965's rushed approach ends on a mountain near Cali
American Airlines Flight 965 crashed near Cali in 1995, killing 159, after a crew entry of "R" for the Rozo beacon called up a beacon near Bogota, the autopilot turned the jet off its approach course, and the crew kept descending while trying to regain the approach without knowing where they were.
