IT WAS ABOUT 6 p.m. on a nice spring evening at Portland-Hillsboro (Oregon) Airport when several folks watched a Mitsubishi MU-2B-25 begin a rolling takeoff on Runway 30, pop off the surface after a 1,300-foot roll, rotate into a 40-degree nose-high climb, then fall off into a nose-down, four-turn descent into the ground. The commercial pilot and his three passengers were killed. Investigators found no evidence of control problems, but a teardown of the left engine gearbox uncovered a ...


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