The 2007 crash of a Cessna Citation flying a University of Michigan medical team may have resulted from the copilot pushing the wrong button, says Max Trescott in an April 12 Detroit Free Press article.
While the final NTSB report has not been issued, preliminary data include the possibility that the copilot turned on the autopilot instead of the yaw damper, shortly after takeoff. According to a source quoted by Trescott, “the two buttons are next to each other on the center console, and some aircraft manufacturers have redesigned cockpit controls in recent years to avoid such mistakes.” The plane crashed in the water a few minutes after takeoff from Milwaukee, WI.
To read the full story: http://www.freep.com/article/20090412/NEWS06/904120558/1008/NEWS/Probe+of+U-M+crash++Autopilot+on+in+error