# NTSB investigations: Schleicher ASW-20C

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 WPR21LA040](https://openairdocs.org/ntsb/WPR21LA040.md): Schleicher ASW20C · Clayton, CA · Accident · Serious injuries · Class 4 · Limited · Final report · Nov 7, 2020 · N18MA · 2 aircraft · Substantial damage
  > The failure of both pilots of each glider to see an avoid one another while maneuvering, which resulted in a mid-air collision.
- [NTSB GAA18CA314](https://openairdocs.org/ntsb/GAA18CA314.md): Schleicher ASW · Nephi, UT · Accident · No injuries · Data collection · Final report · May 30, 2018 · N428US · Substantial damage
  > The glider’s encounter with atmospheric conditions where the lift was not sufficient to maintain flight, which resulted in a hard off-airport landing.
- [NTSB ERA10CA260](https://openairdocs.org/ntsb/ERA10CA260.md): Schleicher ASW-20C · Unionville, PA · Accident · Serious injuries · Data collection · Final report · May 9, 2010 · N6BF · Substantial damage
  > The pilot's lack of remedial action in response to a loss of altitude, which led to a forced landing in unsuitable terrain.
- [NTSB CHI94LA280](https://openairdocs.org/ntsb/CHI94LA280.md): Schleicher ASW-20 · Ionia, MI · Accident · Minor injuries · Limited investigation · Final report · Aug 14, 1994 · N6514M · Substantial damage
  > no thermal lift available, and the lack of suitable terrain for landing. A factor related to the accident was the high wind condition.
- [NTSB NYC88LA125](https://openairdocs.org/ntsb/NYC88LA125.md): Schleicher ASW-20 · Fairfield, PA · Accident · 1 fatal · Limited investigation · Final report · Apr 9, 1988 · N34JH · 2 aircraft · Destroyed
  > Failure of the pilot-in-command of N34JH to see and avoid N311DP.

## 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 ('3801502'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?model=3801502

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