HEREFORD, TX, USA
N3504H
Ercoupe (Eng & Research Corp.) 415CD
ACCORDING TO WITNESSES, THE AIRPLANE APPEARED TO BE LOW AND MOVING VERY SLOW WHEN THE NOSE PITCHED STRAIGHT DOWN AND CONTINUED IN THAT ATTITUDE TO IMPACT IN A NEAR VERITCAL ATTITUDE. AN EXPLOSION AND FIRE OCCURRED AFTER IMPACT. THE AIRPLANE WAS 22 POUNDS OVER MAX GROSS WEIGHT AND THE CENTER OF GRAVITY WAS AT THE MOST AFT LIMIT. THE NEWLY CERTIFICATED PRIVATE PILOT TESTED POSITIVE FOR DIAZEPAM, NORDIAZEPAM, FENFLURAMINE, AND DIPHENHYDRAMINE. ACCORDING TO THE REGIONAL FLIGHT SURGEON'S OFFICE THESE DRUGS 'MAY HAVE INFLUENCED THE CEREBRATION REFLEX AND THE FUNCTION OF OPERATION MAY HAVE BEEN SLOWED, ALTERING JUDGMENT, AND COULD HAVE SIGNIFICANTLY CONTRIBUTED TO THE CAUSE OF THE ACCIDENT.' IMPACT OCCURRED ABOUT 1/2 MILE FROM THE DEPARTURE RUNWAY AND APPROXIMATELY 3 MINUTES AFTER TAKEOFF.
INADVERTENT STALL. FACTORS WERE MAXIMUM GROSS WEIGHT EXCEEDED BY THE PILOT, THE PILOT'S IMPAIRMENT DUE TO DRUGS, AND THE PILOT'S LACK OF TOTAL EXPERIENCE.
Source: NTSB Aviation Accident Database
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