ASN Wikibase Occurrence # 44819
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| Date: | Sunday 13 June 2004 |
| Time: | 15:04 |
| Type: |  Piper PA-25-235 Pawnee |
| Owner/operator: | Turf Soaring School |
| Registration: | N4602Y |
| MSN: | 25-4294 |
| Year of manufacture: | 1967 |
| Total airframe hrs: | 13058 hours |
| Engine model: | Lycoming O-540-B2B5 |
| Fatalities: | Fatalities: 1 / Occupants: 1 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Peoria, AZ -
 United States of America
|
| Phase: | Take off |
| Nature: | Banner and glider towing |
| Departure airport: | Peoria, AZ (P48) |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
The tow plane stalled and impacted terrain following a nose high pitch excursion during a tow operation. The glider pilot, who was being towed at the time, reported experiencing a normal takeoff until about 100-150 feet above the ground. The tow plane then began to out climb the glider and slack developed in the tow line. The glider pilot released from the tow when she realized that while trying to chase the tow plane, the glider was nearing a stall speed. Witnesses to the accident observed the tow plane pitch nose high twice before it stalled and spun to the right. One of the witnesses was another pilot who flew the accident airplane on 12 previous flights that day. He reported observing no problems with the airplane during his flights that would have prevented its normal operation. Additional witnesses reported hearing a normal engine noise throughout the event. Post accident examination of the airplane revealed no anomalies that would have affected its flying abilities. Toxicological tests of samples from the pilot revealed the presence of phentermine, ephedrine, and pseudoephedrine. Phentermine is a prescription stimulant drug; ephedrine and pseudoephedrine are components of over the counter compounds and have stimulant properties.
Probable Cause: the pilot's failure to maintain a proper pitch attitude during tow operations and his failure to maintain an adequate airspeed, which resulted in an inadvertent stall/spin.
Accident investigation:
 |
|
Sources:
NTSB: https://www.ntsb.gov/_layouts/ntsb.aviation/brief.aspx?ev_id=20040616X00817&key=1
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 28-Oct-2008 00:45 | ASN archive | Added |
| 21-Dec-2016 19:24 | ASN Update Bot | Updated [Time, Damage, Category, Investigating agency] |
| 07-Dec-2017 18:06 | ASN Update Bot | Updated [Nature, Source, Narrative] |
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