The 2002 Überlingen mid-air collision killed 71 people after one crew followed a controller's instruction instead of their TCAS Resolution Advisory - here's what every pilot must know.
The 2002 Überlingen mid-air collision killed 71 people when one crew followed ATC instead of their TCAS Resolution Advisory - a failure not in the technology, but in automation trust under pressure.
On July 1, 2002, 71 people died over Lake Constance when TCAS issued a perfect coordinated advisory that one crew overrode - a lesson every pilot must understand.