# Fatal NTSB investigations: Schleicher ASW-20

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 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.
- [NTSB LAX05LA224](https://openairdocs.org/ntsb/LAX05LA224.md): Schleicher ASW-20 · Big Pine, CA · Accident · 1 fatal · Limited investigation · Final report · Jul 3, 2005 · N31AP · Destroyed
  > the pilot's failure to maintain an adequate terrain clearance altitude and his decision to turn toward higher terrain.
- [NTSB LAX04LA203](https://openairdocs.org/ntsb/LAX04LA203.md): Schleicher ASW-20 · Reno, NV · Accident · 1 fatal · Limited investigation · Final report · May 8, 2004 · N126PS · Destroyed
  > the pilot's failure to maintain an adequate airspeed margin while performing a return to runway maneuver, which led to a stall and spin. Factors in the accident were: 1) the deteriorated condition of the glider towrope, which resulted in towrope failure…
- [NTSB LAX92LA400](https://openairdocs.org/ntsb/LAX92LA400.md): Schleicher ASW-20 · Middletown, CA · Accident · 1 fatal · Limited investigation · Final report · Sep 26, 1992 · N789E · Destroyed
  > The pilot's failure to connect the elevator control during assembly and failure to perform an adequate aircraft preflight check. Contributing to the accident was the pilots distraction by performing other tasks during the assembly procedure.
- [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.
- [NTSB LAX82FA136](https://openairdocs.org/ntsb/LAX82FA136.md): Schleicher ASW-20 · Tulare, CA · Accident · 1 fatal · Field investigation · Final report · Apr 15, 1982 · N6KS · 2 aircraft · Substantial damage
  > The glider pilot entered a thermal with three other sailplanes and began to climb. Two of the sailplanes were about 1000 ft below him and the other plane was about 500 ft above. As the pilot was climbing to about 4000 ft MSL, he lost sight to the sailplane…
- [NTSB FTW81FQA32](https://openairdocs.org/ntsb/FTW81FQA32.md): Schleicher ASW-20 · Las Vegas, NM · Accident · 1 fatal · Closed · Jun 1, 1981 · N9031W · Substantial damage
- [NTSB CHI80FEK15](https://openairdocs.org/ntsb/CHI80FEK15.md): Schleicher ASW-20 · Mt.Sterling, OH · Accident · 1 fatal · Closed · Jun 19, 1980 · N707PG · Destroyed

## 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."highestInjuryLevel" = 'Fatal'
  AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.aircraft_model_code IN ('3801506'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?fatal=1&model=3801506

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