ASN Wikibase Occurrence # 42841
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| Date: | Thursday 29 July 1999 |
| Time: | 14:20 LT |
| Type: |  Beechcraft C23 Sundowner |
| Owner/operator: | Sid Hall Enterprises, Inc. |
| Registration: | N6996R |
| MSN: | M-1744 |
| Total airframe hrs: | 3191 hours |
| Engine model: | Lycoming O-360-A4K |
| Fatalities: | Fatalities: 1 / Occupants: 1 |
| Aircraft damage: | Destroyed |
| Category: | Accident |
| Location: | Detroit Lakes, MN -
 United States of America
|
| Phase: | Initial climb |
| Nature: | Ferry/positioning |
| Departure airport: | (KDTL) |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
A witness reported that the airplane lifted-off runway 13 (4,500 feet by 75 feet, dry/asphalt) approximately 600 feet from the end of the runway. The witness reported that that airplane climbed to an altitude of 150-200 feet above the ground before it began an increasing left banking turn. The witness stated that the airplane was climbing in a nose high pitch attitude and that the airplane's bank angle was approximately 50-60 degrees with the airplane's nose began to pitch down. The witness reported that the airplane's maximum nose-down pitch angle was 70-80 degrees at the time of the impact with terrain. No anomalies were found with the airframe structure or its systems that could be associated with a preexisting condition. No anomalies were found with the aircraft engine or its systems that could be associated with a preexisting condition. The active ingredient of marijuana (Tetrahydrocannabinol) and its metabolite substance (Tetrahydrocannabinol Carboxylic Acid) was found during a Federal Aviation Administration (FAA) Toxicology examination. The levels of Tetrahydrocannabinol and Tetrahydrocannabinol Carboxylic Acid found in the pilot's tissues and fluids would be consistent with the direct inhalation of marijuana less than one-hour before the time of the accident. According to the book entitled, 'Fit To Fly A Pilot's Guide to Health & Safety', author Richard O. Reingart MD, the active ingredient in marijuana is, '...THC (delta 9 tetra hydrocannibinal)....' The book continues, 'THC causes temporary euphoria and relaxation. However, more than alcohol, it distorts perception, weakens critical judgment, and interferes with the ability to concentrate. THC also increases heart rate and the incidence of cardiac arrhythmias. Short term memory is impaired, IQ is thought to be diminished, and there is a decrease in reaction time and tracking (similar to alcohol).'
Probable Cause: Aircraft control not obtained/maintained by the pilot. A factor to the accident was the pilot's impairment due to drugs.
Accident investigation:
 |
|
Sources:
NTSB CHI99FA264
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 24-Oct-2008 10:30 | ASN archive | Added |
| 21-Dec-2016 19:24 | ASN Update Bot | Updated [Time, Damage, Category, Investigating agency] |
| 14-Dec-2017 08:42 | ASN Update Bot | Updated [Operator, Departure airport, Destination airport, Source, Narrative] |
| 07-Apr-2024 19:04 | ASN Update Bot | Updated [Time, Operator, Other fatalities, Phase, Departure airport, Destination airport, Source, Narrative, Category, Accident report] |
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