Aviation Accident Summaries

Aviation Accident Summary LAX94LA016

SUNLAND, CA, USA

Aircraft #1

N192KC

ROBINSON R-22 BETA

Analysis

THE CFI WAS DEMONSTRATING A PINNACLE APPROACH TO A LANDING ON A MOUNTAIN TOP. THE CFI DID NOT PERFORM A HIGH RECONNAISSANCE FLIGHT BEFORE BEGINNING THE APPROACH. DURING THE APPROACH, THE FLIGHT ENCOUNTERED A TAILWIND AND THE CFI APPLIED FULL POWER, BUT WITHOUT SUCCESS. THE HELICOPTER'S DESCENT RATE INCREASED RESULTING IN A HARD LANDING. THE SURFACE WINDS TURNED THE HELICOPTER RENDERING IT UNCONTROLLABLE AND IT SLID DOWN THE SIDE OF THE MOUNTAIN.

Factual Information

On October 18, 1993, at 1430 Pacific daylight time, a Robinson R-22 Beta, N192KC, landed short of a mountain top while demonstrating a mountain top landing at Mount Haines, Angeles National Forest, about 10 miles north of Sunland, California. The pilots were conducting a local visual flight rules instructional flight. The helicopter, operated by Complete Aviation Services, Burbank, California, sustained substantial damage. The certificated airline transport pilot/certified flight instructor and the non-certificated student pilot received minor injuries. The flight originated at Burbank Airport, Burbank, California, at about 1230 hours. The pilot stated that during the approach to the mountain top he encountered a wind shear condition which caused him to land short of the mountain top. After landing, the helicopter rolled over.

Probable Cause and Findings

the CFI's poor inflight planning/decision and failure to follow normal procedures. The tailwind was a factor in this accident.

 

Source: NTSB Aviation Accident Database

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