What happened
The FAA’s narrative, in sentence case. The FAA writes it in capitals and removes private details.
Acft involved in a sightseeing operation when it crashed in mountainous terrain under unknown circumstances, 2 POB suffered fatal injuries, 3 others have serious injuries, the acft was destroyed. (.19) on August 10, 1999, at 1730 mountain standard time, a Bell 206B, N67JJ, operated by rapid helicopters incorporated, was destroyed on impact with trees and terrain while maneuvering over Custer state park, south dakota. Visual meteorological conditions prevailed at the time of the accident. The 14 CFR part 91 sightseeing flight was not operating on a flight plan. The pilot and one passenger sustained fatal injuries; two of the passengers sustained serious injuries, and the remaining passenger sustained minor injuries. The flight originated, at approximately 1715, from a private heliport located approximately 6 miles southwest of the accident site. (-23) darren r. mallow, pilot OFN67JJ, bht 206B, was on a sight-seeing operation and crashed in mountainous terrain. There were 5 people on board. The pilot and right rear passenger received fatal injuries and the other three passengers were minor/seriously injured. The aircraft damage is estimated as destroyed.
As the FAA filed it
ACFT INVOLVED IN A SIGHTSEEING OPERATION WHEN IT CRASHED IN MOUNTAINOUS TERRAIN UNDER UNKNOWN CIRCUMSTANCES, 2 POB SUFFERED FATAL INJURIES, 3 OTHERS HAVE SERIOUS INJURIES, THE ACFT WAS DESTROYED. (.19) ON AUGUST 10, 1999, AT 1730 MOUNTAIN STANDARD TIME, A BELL 206B, N67JJ, OPERATED BY RAPID HELICOPTERS INCORPORATED, WAS DESTROYED ON IMPACT WITH TREES AND TERRAIN WHILE MANEUVERING OVER CUSTER STATE PARK, SOUTH DAKOTA. VISUAL METEOROLOGICAL CONDITIONS PREVAILED AT THE TIME OF THE ACCIDENT. THE 14 CFR PART 91 SIGHTSEEING FLIGHT WAS NOT OPERATING ON A FLIGHT PLAN. THE PILOT AND ONE PASSENGER SUSTAINED FATAL INJURIES; TWO OF THE PASSENGERS SUSTAINED SERIOUS INJURIES, AND THE REMAINING PASSENGER SUSTAINED MINOR INJURIES. THE FLIGHT ORIGINATED, AT APPROXIMATELY 1715, FROM A PRIVATE HELIPORT LOCATED APPROXIMATELY 6 MILES SOUTHWEST OF THE ACCIDENT SITE. (-23) DARREN R. MALLOW, PILOT OFN67JJ, BHT 206B, WAS ON A SIGHT-SEEING OPERATION AND CRASHED IN MOUNTAINOUS TERRAIN. THERE WERE 5 PEOPLE ON BOARD. THE PILOT AND RIGHT REAR PASSENGER RECEIVED FATAL INJURIES AND THE OTHER THREE PASSENGERS WERE MINOR/SERIOUSLY INJURED. THE AIRCRAFT DAMAGE IS ESTIMATED AS DESTROYED.
NTSB investigation
The NTSB’s investigation of this event, with its probable cause and findings. Matched to this report by N-number and date.