Aviation Accident Summaries

Aviation Accident Summary LAX91LA321

GERLACH, NV, USA

Aircraft #1

N9977Q

PIPER PA 18-135

Analysis

IN BOTH HIS WRITTEN AND VERBAL STATEMENTS THE PILOT SAID THAT HE ENCOUNTERED A 'DOWNDRAFT' WHILE FLYING NEAR GERLACH, NEVADA. THE PILOT STATED THAT THE DOWNDRAFT WAS ENCOUNTERED JUST AS THE AIRCRAFT OVERFLEW A SMALL RIDGE AT LOW ALTITUDE AND HE COULD NOT ARREST THE RATE OF DESCENT PRIOR TO COLLIDING WITH THE GROUND IN THE VALLEY BEYOND. IN HIS WRITTEN REPORT OF THE ACCIDENT, THE PILOT SAID THAT THERE WAS NO MECHANICAL MALFUNCTION OF THE AIRCRAFT. THE CLOSEST WEATHER REPORTING STATION WAS REPORTING WINDS OF LESS THAN FIVE KNOTS. THE PILOT DID NOT INDICATE THAT HIGH WINDS OR OTHER UNUSUAL METEOROLOGICAL CONDITIONS WERE INVOLVED IN THE ACCIDENT CIRCUMSTANCES.

Probable Cause and Findings

THE FAILURE OF THE PILOT TO MAINTAIN ADEQUATE TERRAIN CLEARANCE BY THE SELECTION OF AN INAPPROPRIATE CRUISE ALTITUDE RESULTING IN AN IN FLIGHT COLLISION WITH TERRAIN.

 

Source: NTSB Aviation Accident Database

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