AIRCRAFT ACCIDENTS IN THE UNITED STATES, 2013 (1)
    Number of accidents    
  Flight hours (000)  Total Fatal Number of fatalities (2) Accidents per 100,000 flight hours
Commercial airlines          
     10 or more seats          
          Scheduled 17,150 20 1 2 0.117
          Nonscheduled 478 3 1 7 0.628
     Less than 10 seats          
          Commuter 322 8 3 6 2.481
          On-demand 3,562 44 10 27 1.240
General aviation 20,887 1,222 221 387 5.850
Total civil aviation NA 1,297 236 429 NA
(1) Preliminary data. Totals do not add because of collisions involving aircraft in different categories. (2) Includes nonpassenger deaths. NA=Data not available. Source: National Transportation Safety Board.