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FTW91FA144

1991-08-09 · MIDLAND, Texas, United States · Fatal · 1 aircraft · Status: Completed

Airport MDD

Aircraft involved

Probable cause & findings

THE PILOT'S INABILITY TO CONTROL THE AIRPLANE DUE TO HIS PHYSIOLOGICAL INCAAPACITATION. A FACTOR WAS THE PILOT'S IMPAIRMENT DUE TO THE USAGE OF PAIN MEDICATIONS.

Factual narrative

THE AIRPLANE CRASHED IN A SHALLOW UNCONTROLLED ATTITUDE ABOUT 3.5 MILES FROM ITS INTENDED DESTINATION WHILE HEADING IN THE OPPOSITE DIRECTION, DESPITE HAVING RECEIVED VECTORS THROUGH AN ARSA AND A LANDING ADVISORY FROM THE UNICOM. REVIEW OF THE ATC TAPES FROM THE DEPARTURE AND ARRIVAL SEGMENTS REVEALED THAT THE PILOT WAS IN EXTREME PHYSICAL DISTRESS UPON ARRIVAL. ANALYSIS OF THE TAPES AND THE PILOT'S MEDICAL HISTORY BY A PANEL OF FLIGHT SURGEONS INDICATED THAT THE PILOT WAS INCAPACITATED SHORTLY BEFORE IMPACT, PROBABLY DUE TO A MAJOR MEDICAL IMPAIRMENT. THE AUTOPSY REVEALED SEVERAL ARTIFACTS INDICATIVE OF SEVERAL YEARS OF HYPERTENSION AND ANKYLOSING SPONDYLITIS. HE WAS TAKING MEDICATION FOR THE CONDITIONS, HOWEVER, THE MEDICATIONS, TAKEN IN PARALLEL, COUNTERACTED THE ANTIHYPERTENSIVE MEDICINE'S EFFECT. IN ADDITION, HIS TOXICOLOGY SAMPLES REVEALED TWO PAIN MEDICATIONS, NORMALLY PRESCRIBED TO ALLEVIATE THE SIDE EFFECTS OF THE PRESCRIPTIONS BEING TAKEN FOR THE MEDICAL CONDITIONS, IN QUANTITIES ABOVE THE NORMAL THERAPEUTIC LEVELS. ONE OF THE Source: NTSB Aviation Accident Database (Pre-2008 Archive) Retrieved: 2026-02-12

Verbatim from NTSB's published report. Source file NTSB_1991_FTW91FA144.txt. Findings + structured fields enriched from FAA avall.mdb. Full investigation docket on data.ntsb.gov ↗.