# NTSB investigations: Schweizer SGS 1-35: Collision with terr/obj (non-CFIT)

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 CEN21LA281](https://openairdocs.org/ntsb/CEN21LA281.md): Schweizer SGS 1-35 · Wellington, CO · Accident · Minor injuries · Class 4 · Limited · Final report · Jun 20, 2021 · N2851H · Substantial damage
  > The glider pilot’s loss of visual references during the landing approach resulting in an off-airport landing on rough sloping terrain.
- [NTSB ERA21FA239](https://openairdocs.org/ntsb/ERA21FA239.md): Schweizer SGS 1-35 · Wurtsboro, NY · Accident · 1 fatal · Class 3 · Field · Final report · Jun 6, 2021 · N2878H · Substantial damage
  > The pilot’s low-altitude release from tow for reasons that could not be determined, and his subsequent exceedance of the glider’s critical angle of attack while returning to the runway, which resulted in an aerodynamic stall and impact with terrain.
- [NTSB GAA18CA557](https://openairdocs.org/ntsb/GAA18CA557.md): Schweizer SGS 1 35 · Burnet, TX · Accident · No injuries · Data collection · Final report · Sep 1, 2018 · N34107 · Substantial damage
  > The pilot's failure to extend the landing gear before landing and to use the Before Landing checklist.

## 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."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.aircraft_model_code IN ('8050148')
    AND EXISTS (SELECT 1 FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' s WHERE s.case_mkey = x.case_mkey AND s.aircrafts_position = x.position AND s."tier2Number" = '470' 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/470/sequence?model=8050148

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