UPS A300 down

[dukeblue219]

UPS flight from Louisville to Birmingham crashed on approach this morning, large fire, no immediate word on any injuries.

http://www.ajc.com/news/ap/transportation/faa-ups-jet-crashes-in-birmingham-ala/nZNt3/

 

[Jim Logajan]

UPS jet was on autopilot until seconds before crash
http://www.latimes.com/nation/nationnow/la-na-nn-ups-jet-crash-20130817,0,5306167.story

Nodded off?

Not sure I understand the causal elements being investigated. How does pilot fatigue relate to an autopilot flying too low an approach?