# NTSB investigations, TX: Glider tow event

NTSB aviation accident and incident investigations since 1962: the probable cause, findings, aircraft, crew, weather and docket of each, linked to the FAA registry and the FAA’s own reports.

## Latest cases

- [NTSB GAA19CA506](https://openairdocs.org/ntsb/GAA19CA506.md): Grob G103 · San Antonio, TX · Accident · No injuries · Data collection · Final report · Aug 22, 2019 · N901BG · Substantial damage
  > The failure of the glider tow rope, which lodged in the glider's rudder and resulted in a hard landing. Contributing to the accident was the pilot's failure to properly secure the glider's aft canopy.
- [NTSB GAA17CA466](https://openairdocs.org/ntsb/GAA17CA466.md): AB Sportine Aviacija LAK 17 · Uvalde, TX · Accident · No injuries · Data collection · Final report · Aug 2, 2017 · N128LA · Destroyed
  > The ground crewmember’s failure to fully engage the tow hook release arm during preflight, which resulted in the premature release of the glider at insufficient altitude to complete a safe landing.
- [NTSB CEN14CA280](https://openairdocs.org/ntsb/CEN14CA280.md): Schempp-Hirth Nimbus 3/24.5 · Wallis, TX · Accident · Minor injuries · Data collection · Final report · Jun 6, 2014 · N245AB · Substantial damage
  > The pilot's failure to maintain direction control of the glider during takeoff in gusty wind conditions.
- [NTSB CEN12LA605](https://openairdocs.org/ntsb/CEN12LA605.md): Burkhart Grob G 103 Twin II · El Paso, TX · Accident · 1 fatal · Limited investigation · Final report · Sep 1, 2012 · N5489X · Substantial damage
  > The pilot‘s failure to maintain glider control while attempting to take off using a ground winch, which resulted in an inadvertent stall low to the ground. Contributing to the accident was the ground winch, which was unable to produce enough speed for a…
- [NTSB CEN12FA378](https://openairdocs.org/ntsb/CEN12FA378.md): Iar Brasov IS-28B2 · Wallis, TX · Accident · 4 fatal · Field investigation · Final report · Jun 17, 2012 · N6388V · Substantial damage
  > The pilot’s failure to maintain adequate airspeed during an emergency situation, which resulted in an aerodynamic stall and subsequent impact with terrain. Contributing to the accident was the pilot’s acute coronary event, which resulted from his severe…

## The whole list in SQL

Runs in DuckDB 1.2 or later on the release's Parquet files over HTTPS:

```sql
SELECT c."ntsbNumber", c."eventDate", c."eventType", c."eventCity", c."eventStateOrRegion", a.n_number, a."aircraftMake", a."aircraftModel", c."highestInjuryLevel", c."totalFatal", c."completionStatus", c.report_url
FROM 'https://openairdocs.org/data/latest/ntsb_case_detail.parquet' c LEFT JOIN 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' a ON a.case_mkey = c."mKey" AND a.position = 1
WHERE c."eventStateOrRegion" = 'TX' AND c."eventCountry" = 'USA'
  AND c."mKey" IN (SELECT s.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' s WHERE s."tier2Number" = '510' AND s.case_mkey IN (SELECT case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' WHERE "isDefiningEvent"))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb-events/510/sequence?state=TX

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