NTSB Identification: LAX85LA344.
The docket is stored on NTSB microfiche number 30269.
Accident occurred Monday, August 12, 1985 in BIG BEAR CITY, CA
Aircraft: BELL 47G-2, registration: N2899B
Injuries: 3 Minor.

NTSB investigators may not have traveled in support of this investigation and used data provided by various sources to prepare this aircraft accident report.

ON AUGUST 12, 1985, A BELL 47G2 HELICOPTER COLLIDED WITH A YUCCA TREE AND ROLLED OVER DURING A LANDING NEAR BIG BEAR CITY, CA. THE ACFT SUSTAINED SUBSTANTIAL DAMAGE AND THE PLT AND HIS TWO PASSENGERS WERE NOT INJURED. THE PURPOSE OF THE FLIGHT WAS A AERIAL OBSERVATION AT AN ELEVATION OF 7500 FEET, BUT THIS WAS NOT ACCOMPLISHED BECAUSE OF THE DENSITY ALTITUDE. THE PLT DESCENDED TO 4500 FEET TO DROP OFF ONE PASSENGER IN ORDER TO LIGHTEN THE LOAD. DURING HIS APPROACH TO LAND THE MAIN ROTOR BLADES STRUCK THE TREE AND THE AIRCRAFT ROLLED OVER. THE PLT REPORTED NO MECHANICAL PROBLEMS PRIOR TO THE ACCIDENT.

The National Transportation Safety Board determines the probable cause(s) of this accident to be:

VISUAL LOOKOUT..MISJUDGED..PILOT IN COMMAND

The National Transportation Safety Board determines the probable cause(s) of this accident to be:

CLEARANCE..NOT ATTAINED..PILOT IN COMMAND



Contributing Factors

TERRAIN CONDITION..HIGH TERRAIN


Contributing Factors

WEATHER CONDITION..HIGH DENSITY ALTITUDE

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