ASN Wikibase Occurrence # 155645
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| Date: | Saturday 27 April 2013 |
| Time: | 11:30 |
| Type: | Schweizer SGS 2-32 |
| Owner/operator: | Long Island Soaring Assoc Inc |
| Registration: | N9857E |
| MSN: | 24 |
| Total airframe hrs: | 3647 hours |
| Fatalities: | Fatalities: 1 / Occupants: 1 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | A wooded area in Mastic, near Brookhaven Airport - KHWV, Shirley, NY -
 United States of America
|
| Phase: | Approach |
| Nature: | Private |
| Departure airport: | Shirley, NY (HWV) |
| Shirley, NY (HWV) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
Immediately following an uneventful checkout flight, the glider was towed and released for the pilot’s solo flight. According to the pilot’s flight instructor, the solo flight appeared normal during final approach to about 250 feet above ground level, then the glider’s left wing dropped, consistent with a stall, and the glider subsequently descended to the ground. The tow pilot indicated that he observed that the glider’s dive brakes were half-deployed, which was “normal.”
Although the pilot had a documented history of hypertension, the autopsy reported no evidence indicating that he had a heart attack during the accident flight. Toxicological testing revealed therapeutic levels of diphenhydramine, consistent with the pilot taking the medication about 2 to 3 hours before the accident. Diphenhydramine is a sedating antihistamine and could have impaired the pilot’s cognitive and psychomotor performance.
Probable Cause: The pilot’s failure to maintain airspeed during final approach, which resulted in a stall. Contributing to the accident was the pilot’s likely impairment due to an over-the-counter sedating antihistamine.
Accident investigation:
 |
|
Sources:
NTSB
FAA register: http://registry.faa.gov/aircraftinquiry/NNum_Results.aspx?NNumbertxt=9857E
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 28-Apr-2013 11:11 | gerard57 | Added |
| 28-Apr-2013 23:54 | Geno | Updated [Time, Aircraft type, Registration, Cn, Operator, Location, Phase, Departure airport, Destination airport, Source, Narrative] |
| 06-May-2013 15:49 | Geno | Updated [Registration, Cn, Source] |
| 21-Dec-2016 19:28 | ASN Update Bot | Updated [Time, Damage, Category, Investigating agency] |
| 28-Nov-2017 14:31 | ASN Update Bot | Updated [Operator, Other fatalities, Departure airport, Destination airport, Source, Narrative] |
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