ASN Wikibase Occurrence # 41255
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| Date: | Wednesday 10 August 1988 |
| Time: | 12:15 |
| Type: | Continental Copters El Tomcat Mk V |
| Owner/operator: | private |
| Registration: | N25561 |
| MSN: | TC-TWH-1 |
| Engine model: | LYCOMING O-435 |
| Fatalities: | Fatalities: 1 / Occupants: 1 |
| Aircraft damage: | Destroyed |
| Category: | Accident |
| Location: | Redkey, IN -
 United States of America
|
| Phase: | Manoeuvring (airshow, firefighting, ag.ops.) |
| Nature: | Agricultural |
| Departure airport: | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
THE ACCIDENT OCCURRED DURING AN AREIAL APPLICATION flight. AFTER A REVERSAL TURN TO MAKE A SWATH RUN, THE TAIL ROTOR STRUCK A TREE AT THE EDGE OF THE FIELD. THE HELICOPTER ENTERED AN UNCONTROLLED DESCENT AND CRASHED IN FIELD. TOXICOLOGY REVEALED HIGH CONCENTRATION OF THE SEDATIVE ANTIHISTAMINE DIPHENHYDRAMINE IN BOTH THE PILOT'S BLOOD & URINE. INTERPRETIVE COMMENTS ACCOMPANYING THE TOXICOLOGY REPORT STATED THAT HE BLOOD CONCENTRATION PRESENT WOULD MOST PROBABLY BE ASSOCIATED WITH SIGNIFICANT DROWSINESS. CAUSE: PHYSICAL IMPAIRMENT OF THE PILOT DUE TO DRUGS WHICH RESULTED IN A MISJUDGED APPROACH AND SUBSEQUENT CONTACT WITH TREES DURING THE APPROACH TO AN AERIAL APPLICATION SWATH RUN.
Sources:
NTSB: http://www.ntsb.gov/ntsb/brief.asp?ev_id=20001213X26484
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 24-Oct-2008 10:30 | ASN archive | Added |
| 21-Dec-2016 19:23 | ASN Update Bot | Updated [Time, Damage, Category, Investigating agency] |
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