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ASN Wikibase Occurrence # 69444
 
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Date:30-AUG-2003
Time:14:16
Type:Silhouette image of generic pw5 model; specific model in this crash may look slightly different
Politechnika Warszawska PW-5 Smyk
Owner/operator:Private
Registration: N105PS
MSN: 1711018
Fatalities:Fatalities: 0 / Occupants: 1
Other fatalities:0
Aircraft damage: Substantial
Category:Accident
Location:Yreka, CA -   United States of America
Phase: En route
Nature:Private
Departure airport:Montague, CA (KSIY)
Destination airport:Montague, CA (KSIY)
Investigating agency: NTSB
Narrative:
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.

Sources:

NTSB: https://www.ntsb.gov/_layouts/ntsb.aviation/brief.aspx?ev_id=20031009X01702&key=1

Location


Revision history:

Date/timeContributorUpdates
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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