ASN Wikibase Occurrence # 68332
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| Date: | Sunday 21 June 1998 |
| Time: | 11:30 LT |
| Type: |  Glaser-Dirks DG-800B |
| Owner/operator: | David Noyes |
| Registration: | N98NL |
| MSN: | 8126B55 |
| Total airframe hrs: | 4 hours |
| Engine model: | Solo 2-625-01 |
| Fatalities: | Fatalities: 0 / Occupants: 1 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Jean, NV -
 United States of America
|
| Phase: | Approach |
| Nature: | Private |
| Departure airport: | (0L7) |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
The glider impacted terrain and the pilot reported that he lost elevator control. The bolt connecting the pushrod to the elevator was found, but the attaching nut was not found. The European production glider had a total time of 4 hours since manufacture. The metallurgist who examined the bolt reported the first three threads of the accident bolt did not have debris in the roots; however, proper engagement of the locknut would cause six threads to be free of debris. An exemplar locknut in the hand-tightened only position (without engaging the blue plastic lining of the locknut) caused the nut threads to wipe material from the roots of the first three bolt threads
Probable Cause: The disconnection of the elevator control attachment nut due to improper installation by the manufacturer, which resulted in the pilot's loss of control.
Accident investigation:
 |
|
Sources:
NTSB LAX98LA209
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 26-Sep-2009 00:40 | DColclasure | Added |
| 26-Jun-2013 11:10 | Alpine Flight | Updated [Time, Cn, Nature, Narrative] |
| 21-Dec-2016 19:25 | ASN Update Bot | Updated [Time, Damage, Category, Investigating agency] |
| 07-Apr-2024 10:23 | ASN Update Bot | Updated [Time, Cn, Operator, Other fatalities, Phase, Departure airport, Destination airport, Source, Narrative, Category, Accident report] |
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