Is this measurement error in FlightAware data? (It does appear, however, to show the crash site accurately.)
You are kidding, aren't you?
Flight Track Log ? UPS1354 ? 14-Aug-2013 ? KSDF - KBHM ? FlightAware
Have you tried putting FlightAware's supposed final position plot (33.5681 -86.7539) into Google Earth ?