Aviation Accident Summaries

Aviation Accident Summary LAX91FA401

PLACERVILLE, CA, USA

Aircraft #1

N82857

PIPER PA-28-161

Analysis

THE FOUR PLACE AIRPLANE WAS LOADED WITH FIVE OCCUPANTS AND WAS DEPARTING A HIGH DENSITY ALTITUDE AIRPORT EN ROUTE TO ANOTHER HIGH DENSITY ALTITUDE AIRPORT FOR REFUELING. THE AIRPLANE EXCEEDED ITS MAXIMUM TAKEOFF GROSS WEIGHT. POSITIVE RESULTS WERE OBTAINED DURING THE TOXICOLOGIAL ANALYSIS ROUTINE ALCOHOL AND DRUG TESTS. THE PILOT TESTED POSITIVE FOR BENZOYLECGONINE, PHENDIMETRAZINE, AND PHENMETRAZINE. ACCORDING TO FORENSIC TOXICOLOGISTS, BENZOYLECGONINE IS A METABOLITE OF COCAINE. PHENDIMETRAZINE IS A CHEMICAL FOUND IN PRESCRIPTION APPETITE SUPPRESSANTS AND PHENMETRAZINE IS THE METABOLITE OF PHENDIMETRAZINE. THE FORENSIC TOXICOLOGIST ALSO INDICATED THE QUANTITIES OF PHENDIMETRAZINE AND PHENMETRAZINE FOUND IN THE PILOT'S SYSTEM WERE ELEVATED AND EXCEEDED THERAPEUTIC LEVELS.

Probable Cause and Findings

THE PILOT'S ATTEMPTED TAKEOFF AT A HIGH DENSITY AIRPORT WITH THE AIRPLANE EXCEEDING ITS MAXIMUM GROSS TAKEOFF WEIGHT. CONTRIBUTING TO THE ACCIDENT WAS THE PILOT'S USE OF ILLEGAL DRUGS AND ABUSE OF PRESCRIPTION DRUGS.

 

Source: NTSB Aviation Accident Database

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