A report by the Air Accidents Investigation Branch said the Flybe captain was manually flying the aircraft at the time but, as he made the final manoeuvre, 'his prosthetic limb became detached from the yoke clamp, depriving him of control of the aircraft'.

http://www.travelmole.com/news_feature.php?c=setreg®ion=2&m_id=s~dvbvv&w_id=10197&news_id=2012789
Luckily the plane landed armlessly and no arm was done to the plane or passengers
