AOPA's Air Safety Institute released its 24th annual Joseph T. Nall Report (PDF) this week, including for the first time a review of helicopter accident causes. Overall, accident rates for non-commercial fixed-wing aircraft climbed from 6.30 per 100,000 hours in 2010 to 6.54 in 2012 due to flight time decreasing while accident counts remained level in that period. The fatal accident rate for this category also climbed, from 1.17 to 1.22, which nearly matched the 10-year average of 1.24, the report notes. FAA data for 2011 accidents rates were unavailable, so the rates indicate data from 2010 and 2012, ASI said. On the commercial side, accident rates fell for both aircraft categories. Fixed-wing aircraft dropped from 2.97 to 2.62 per 100,000 hours while helicopter rates dropped from 2.22 to 1.93.
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