Level 1 Accident Investigation of the August 17, 2004, Fatal Aircraft Accident on the Grand Coulee-Bell No.6, 500 kV Line

On August 17, 2004, a BPA pilot was killed in the crash of a Bell 206BIII helicopter while stringing "sock line" on the Grand Coulee-Bell#6 500kV line

Office of Environment, Health, Safety & Security

October 1, 2004
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OCTOBER 1, 2004

On August 17, 2004, at approximately 0940, a Bonneville Power Administration (BPA) pilot was killed in the crash of a Bell 206BIII helicopter while stringing "sock line" to enable the subsequent stringing of new conductors and static wire on the Grand Coulee-Bell #6 500-kV line between tower 84/2 and BPA’s Bell Substation in Mead, Washington. (See Appendix 7, Site Map.)