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COMPARATIVE U. S. CIVIL HELICOPTER SAFETY TRENDS
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| 2012 |
1st Quarter ( January - March) |
| 2011 |
1st Quarter ( January - March)
2nd Quarter (January - June)
3rd Quarter (January - September)
4th Quarter (January - December) |
| 2010 |
1st Quarter ( January - March)
2nd Quarter (January - June)
3rd Quarter (January - September)
4th Quarter (January - December) |
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2009
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1st Quarter (January - March)
2nd Quarter (January - June)
3rd Quarter (January - September)
4th Quarter (January - December) |
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2008
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1st Quarter (January - March)
2nd Quarter (January - June)
3rd Quarter (January - September)
4th Quarter (January - December) |
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2007
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1st Quarter (January - March)
2nd Quarter (January - June)
3rd Quarter (January - September)
4th Quarter (January - December) |
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2006
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1st Quarter (January - March)
2nd Quarter (January - June)
3rd Quarter (January - September)
4th Quarter (January - December) |
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2005
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3rd Quarter (January - September)
4th Quarter (January - December) |