Abstract: At approximately 11:15 a.m. on October 20, 1998, Employee #1, of the Moog, Inc., aircraft group, was engaged in a week-long installation process. At the time of the accident, he was helping to remove a ball-screw control head used on a VTC-5 Kingsbury turret lathe. He was on the lowest rung of a 4 ft stepladder at the backside of the lathe, guiding the ball-screw control while a Kingsbury technician was on the top side of the lathe, hoisting the ball-screw upward by hand. Without warning, the ball-screw slipped from the technician's hand and Employee #1 fell from the bottom rung of the ladder, crushing and amputating his right little finger below the last joint. He was transported by a coworker to the Little Company of Mary Outpatient Care Station, where he was treated and released approximately one hour later.