# NTSB investigations: Alexander Schleicher ASW 27-18

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 ERA26LA199](https://openairdocs.org/ntsb/ERA26LA199.md): Alexander Schleicher ASW 27-18 · Greenwood, SC · Accident · No injuries · Class 4 · Limited · Final report · Apr 20, 2026 · N27CU · Substantial damage
  > The glider pilot’s encounter with a strong sink/loss of lift, which resulted in a forced landing to unsuitable terrain.
- [NTSB ERA24LA119](https://openairdocs.org/ntsb/ERA24LA119.md): Alexander Schleicher ASW 27-18 · Polk City, FL · Accident · No injuries · Class 4 · Limited · Final report · Feb 15, 2024 · N429SH · Substantial damage
  > The glider pilot’s misjudged altitude, which resulted in an off-airport landing and collision with a fence.
- [NTSB ERA21LA329](https://openairdocs.org/ntsb/ERA21LA329.md): Alexander Schleicher ASW 27-18 · Sterling, MA · Accident · No injuries · Class 4 · Limited · Final report · Jul 15, 2021 · N129MG · Substantial damage
  > The pilot’s failure to maintain the glider’s stability in the roll axis during the takeoff roll, which resulted in a dragged wingtip and ground loop.
- [NTSB WPR20LA216](https://openairdocs.org/ntsb/WPR20LA216.md): Schleicher ASW27 · Ely, NV · Accident · 1 fatal · Class 3 · Limited · Final report · Jul 11, 2020 · N167TM · Destroyed
  > The pilot’s loss of glider control while maneuvering near a mountain ridge in downdrafts and dry microbursts at an altitude that precluded recovery.
- [NTSB CEN10LA459](https://openairdocs.org/ntsb/CEN10LA459.md): Schempp-Hirth VENTUS-2B · Batesville, TX · Accident · 1 fatal · Limited investigation · Final report · Aug 4, 2010 · N7470C · 2 aircraft · Substantial damage
  > Both glider pilots' inability to see and avoid the other resulting in a mid-air collision.
- [NTSB LAX08CA136](https://openairdocs.org/ntsb/LAX08CA136.md): A. Schleicher ASW 27-18 · Peoria, AZ · Accident · Minor injuries · Data collection · Final report · May 11, 2008 · N8829A · Substantial damage
  > The pilot's misjudged distance and altitude while on final approach to land. A factor contributing to the accident was a downdraft.

## 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 ('3801538'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?model=3801538

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