The percentage of accidents by personal/private helicopter pilots is much higher than their percentage of flight hours.

1. U.S. Personal/Private Helicopter Accidents and Flight Hours
25%
22% 22%
21%
20% 20% 20% 20% 20%
19% 19%
18%
15%
10%
6% 6%
5%
4% 4% 4% 4% 4% 4% 4%
3%
0%
2001 2002 2003 2004 2005 2006 2007 2008 2009 2010
% of Rotorcraft Hours % of Rotorcraft Accidents