# NTSB investigations: Schleicher ASW-20: 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 CEN15LA376](https://openairdocs.org/ntsb/CEN15LA376.md): Schleicher ASW 20 · Hempstead, TX · Accident · 1 fatal · Limited investigation · Final report · Aug 23, 2015 · N878S · Substantial damage
  > The pilot’s failure to maintain clearance from power lines during an attempted off-airport landing.
- [NTSB ERA14CA220](https://openairdocs.org/ntsb/ERA14CA220.md): Schleicher ASW 20 · Monroe, GA · Accident · Serious injuries · Data collection · Final report · May 4, 2014 · N777LR · Substantial damage
  > The pilot's improper selection of an off-airport landing site and his subsequent failure to maintain clearance from trees during an off airport landing.
- [NTSB WPR11FA302](https://openairdocs.org/ntsb/WPR11FA302.md): Schleicher ASW-20 · Lone Pine, CA · Accident · 1 fatal · Field investigation · Final report · Jul 2, 2011 · N838KS · Substantial damage
  > The glider encountered a strong downward orographic wind flow and turbulence that forced it into terrain. Also causal was the pilot’s decision to operate the glider very close to the terrain.
- [NTSB CEN10LA368](https://openairdocs.org/ntsb/CEN10LA368.md): Schleicher ASW-20 · Pocahontas, IL · Accident · 1 fatal · Limited investigation · Final report · Jul 4, 2010 · N82BK · Substantial damage
  > The pilot's failure to maintain a wings-level attitude prior to impacting high vegetation and terrain during the off-field landing.

## 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 ('3801506')
    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=3801506

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