workers to restring the wires, which the chopper had hit. >> witnesses reported that the aircraft is flying low, that they saw sparks flying before the aircraft hit the ground and then there was a post-crash fire that substantially damaged the aircraft, as i said, consumed the cockpit. >> reporter: the chopper's pilot had spent the afternoon and evening at the airport in hagerstown giving helicopter rides as a fundraiser for a youth charity responderred by his applauser, advanced helicopter concepts. heavy storms delayed the pilot's departure for two hours until he decided to take of...