KIM I. MILLSJuly 6, 1994 GMT WASHINGTON (AP) _ A federal investigation of a helicopter accident that killed NASCAR driver Davey Allison found he had less than three hours of training on the chopper he crashed at Talladega Superspeedway in Alabama last July. Davey Allison, the 1992 Daytona 500 winner and a member of one of stock-car racing's most prominent families, died yesterday at Carraway Methodist Medical Center in … May 8, 1995, 5:19 AM On Tuesday, the National Transportation Safety Board completed its investigation of the helicoptor accident that killed NASCAR Winston Cup driver Davey Allison.