Accident Details
On August 12, 1985, a Bell 47G2 helicopter collided with a yucca tree and rolled over during a landing near Big Bear City, California. The aircraft sustained substantial damage. The pilot and two passengers were not injured.
Flight Purpose and Density Altitude
The purpose of the flight was aerial observation at an elevation of 7,500 feet. However, this was not accomplished because of the density altitude. The pilot descended to 4,500 feet to drop off one passenger in order to lighten the load.
Landing Sequence
During the approach to land, the main rotor blades struck a yucca tree, causing the aircraft to roll over. The pilot reported no mechanical problems prior to the accident.
Post-Accident Conditions
The aircraft sustained substantial damage. No injuries were reported among the three occupants.