ASN Wikibase Occurrence # 69444
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| Date: | Saturday 30 August 2003 |
| Time: | 14:16 |
| Type: |  Politechnika Warszawska PW-5 Smyk |
| Owner/operator: | Private |
| Registration: | N105PS |
| MSN: | 1711018 |
| Total airframe hrs: | 128 hours |
| Fatalities: | Fatalities: 0 / Occupants: 1 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Yreka, CA -
 United States of America
|
| Phase: | En route |
| Nature: | Private |
| Departure airport: | Montague, CA (KSIY) |
| Montague, CA (KSIY) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
A glider impacted tree-covered terrain after encountering a downdraft. The glider was released from a tow airplane at 5,600 feet msl and climbed, using thermals, to 7,500 feet msl. The pilot maneuvered to a nearby ridge and was caught in a downdraft. He turned toward the ridge and lost altitude at a rapid pace. As he came closer to the treetops on the mountain, he lifted the nose, which resulted in a loss of airspeed. The glider stalled into the trees. During the pilot's glider training he was instructed to always turn away from ridges when "thermaling," in efforts to avoid downdrafts.
Probable Cause: the pilot's inadequate in-flight planning/decision and failure to maintain airspeed resulted in an inadvertent stall. A factor in the accident was the downdraft.
Accident investigation:
 |
|
Sources:
NTSB: https://www.ntsb.gov/_layouts/ntsb.aviation/brief.aspx?ev_id=20031009X01702&key=1
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 27-Oct-2009 03:23 | DColclasure | Added |
| 26-Nov-2011 12:54 | Alpine Flight | Updated [Time, Aircraft type, Cn, Departure airport, Destination airport, Narrative] |
| 21-Dec-2016 19:25 | ASN Update Bot | Updated [Time, Damage, Category, Investigating agency] |
| 08-Dec-2017 19:09 | ASN Update Bot | Updated [Cn, Nature, Departure airport, Destination airport, Source, Narrative] |
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