ASN Wikibase Occurrence # 147769
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| Date: | Friday 17 August 2012 |
| Time: | 15:20 |
| Type: |  Schleicher ASG 29 |
| Owner/operator: | Private |
| Registration: | F-CIFB |
| MSN: | 29066 |
| Total airframe hrs: | 150 hours |
| Fatalities: | Fatalities: 0 / Occupants: 1 |
| Aircraft damage: | Minor |
| Category: | Accident |
| Location: | 30km southwest of Uvalde - KUVA, TX -
 United States of America
|
| Phase: | En route |
| Nature: | Demo/Airshow/Display |
| Departure airport: | Uvalde, TX (KUVA) |
| Uvalde, TX (KUVA) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
The pilots of both gliders were engaged in an international gliding competition. The pilot of F-CIFB said he was circling at an altitude of about 6,000 feet mean sea level (msl) when he observed that the pilot of D-6080 was operating in a good “bubble” (thermal) about 325 feet below him. The pilot of F-CIFB maneuvered his glider into the same “bubble” behind D-6080. Shortly thereafter, he heard his glider’s proximity alarm sound "BELOW" and felt an impact.
The pilot of D-6080 said he was climbing with several other gliders in a strong thermal when he was struck by F-CIFB from behind. He said he did not see the glider and was unaware of its presence. The collision occurred about 5,700 feet msl. The pilot of D-6080 parachuted to safety. The pilot of F-CIFB landed the glider uneventfully with minor damage to its left wing. The empennage of D-6080 was severed and later found some distance from the main wreckage. Damage was consistent with D-6080 being struck from below and behind by F-CIFB.
Probable Cause: The glider pilot’s inadequate visual lookout and collision avoidance just after joining a thermal in which other gliders were operating, which resulted in a midair collision with another glider.
Sources:
NTSB
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 17-Aug-2012 23:42 | Alpine Flight | Added |
| 20-Aug-2012 11:13 | Geno | Updated [Aircraft type, Source, Narrative] |
| 01-Jan-2013 13:29 | Alpine Flight | Updated [Aircraft type, Narrative] |
| 21-Dec-2016 19:28 | ASN Update Bot | Updated [Time, Damage, Category, Investigating agency] |
| 28-Nov-2017 13:16 | ASN Update Bot | Updated [Operator, Other fatalities, Nature, Departure airport, Destination airport, Source, Narrative] |
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