Aviation Accident Summary SEA91LA106

RAWLINS, WY, USA

Aircraft #1

N6724T

BEECH A36

Analysis

THE PILOT OF THE BEECH A36 WAS FLYING ON TOP OF AN OVERCAST WHEN HE NOTED THAT THE READINGS ON HIS ENGINE GAUGES WERE DROPPING. HE DETERMINED THAT THE ALTERNATOR HAD FAILED AND WAS UNSUCCESSFUL IN HIS ATTEMPT TO USE THE STANDBY GENERATOR. HE THEN DEAD-RECKONED TO A LET-DOWN THROUGH THE CLOUDS AT RAWLINS, WY, AND LANDED SHORT OF THE RUNWAY WHEN HE BELIEVED THAT THE ENGINE WAS NOT PRODUCING ADEQUATE POWER.

Probable Cause and Findings

THE PILOT'S LACK OF FAMILIARITY WITH THE AIRCRAFT, HIS LACK OF UNDERSTANDING OF THE ELECTRICAL SYSTEM, AND A PREMATURE PRECAUTIONARY LANDING. CONTRIBUTING TO THE ACCIDENT WERE AN ALTERNATOR FAILURE AND THE RESULTANT FALSE READINGS OF THE POWERPLANT INSTRUMENTS.

 

Source: NTSB Aviation Accident Database

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