# NTSB investigations: Schweizer SGS 2-33A: Loss of control in flight

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 CEN24LA133](https://openairdocs.org/ntsb/CEN24LA133.md): Schweizer SGS 2-33A · Falcon, CO · Accident · Minor injuries · Class 4 · Limited · Final report · Mar 12, 2024 · N2905H · Substantial damage
  > The flight instructor’s failure to maintain control during takeoff which resulted in an aerodynamic stall and an impact with terrain.
- [NTSB ERA21LA244](https://openairdocs.org/ntsb/ERA21LA244.md): Schweizer SGS 2-33A · Sanford, ME · Accident · No injuries · Class 4 · Limited · Final report · Jun 5, 2021 · N7776S · Substantial damage
  > The pilot’s failure to maintain directional control while landing in gusting wind conditions.
- [NTSB ERA13LA229](https://openairdocs.org/ntsb/ERA13LA229.md): Schweizer SGS 2-33A · Erwinna, PA · Accident · Serious injuries · Limited investigation · Final report · May 4, 2013 · N2045T · Substantial damage
  > The pilot’s loss of glider control due to improper rigging of the rudder control cables, the mechanic’s inadequate flight control checks following the glider’s most recent annual inspection, and the pilot’s failure to perform a thorough preflight inspection.
- [NTSB ERA11CA323](https://openairdocs.org/ntsb/ERA11CA323.md): Schweizer SGS 2-33A · Wurstboro, NY · Accident · No injuries · Data collection · Final report · Jun 1, 2011 · N2656H · Substantial damage
  > The flying pilot's failure to maintain aircraft control and the flight instructor's inadequate supervision while landing with a gusting wind. Contributing to the accident was the lack of communication between the flight instructor and pilot under evaluation…

## 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 ('8051606')
    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" = '240' 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/240/sequence?model=8051606

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OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.
