# NTSB investigations: Alexander Schleicher ASH 31 MI

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 WPR26LA158](https://openairdocs.org/ntsb/WPR26LA158.md): Alexander Schleicher ASH 31 MI · Williams, CA · Accident · Minor injuries · Class 3 · Limited · Preliminary report · Apr 13, 2026 · N77UK · Substantial damage
  > On April 13, 2026, about 1051 Pacific standard time, an experimental Alexander Schleicher GMBH and Co., Ash 31 Mi Glider, N77UK, was substantially damaged when it was involved in an accident near Williams, California. The pilot sustained minor injuries. The…
- [NTSB WPR24LA216](https://openairdocs.org/ntsb/WPR24LA216.md): Alexander Schleicher ASH 31 MI · Parowan, UT · Accident · Serious injuries · Class 4 · Limited · Final report · Jun 24, 2024 · N517PB · Substantial damage
  > The glider’s encounter with atmospheric conditions where the lift was not sufficient to maintain?flight.
- [NTSB ERA24LA228](https://openairdocs.org/ntsb/ERA24LA228.md): Schleicher ASH 31 MI · Winter Haven, FL · Accident · Serious injuries · Class 3 · Limited · Final report · May 25, 2024 · N20SW · Substantial damage
  > The pilot’s failure to ensure that a suitable landing area was available in case the restart of the motor glider’s engine was unsuccessful. Contributing, was insufficient battery charge to extend the motor glider’s pylon assembly.
- [NTSB GAA17CA386](https://openairdocs.org/ntsb/GAA17CA386.md): Alexander Schleicher ASH 31 MI · Ely, NV · Accident · Minor injuries · Data collection · Final report · Jul 5, 2017 · N31MX · Destroyed
  > The pilot’s failure to maintain the proper airspeed and his exceedance of the glider’s critical angle of attack, which resulted in a stall/spin.

## 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 ('3801549'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?model=3801549

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