# NTSB investigations: Schweizer SGS 2-33A: Collision during takeoff/land

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 WPR26LA246](https://openairdocs.org/ntsb/WPR26LA246.md): Schweizer SGS 2-33A · Lake Elsinore, CA · Accident · Serious injuries · Class 4 · Limited · Final report · Jul 5, 2026 · N5790S · Substantial damage
  > The student pilot’s failure to maintain a proper glidepath, which resulted in a long landing and collision with a person on the ground.
- [NTSB ERA22LA370](https://openairdocs.org/ntsb/ERA22LA370.md): Schweizer SGS 2-33A · Shirley, NY · Accident · No injuries · Class 4 · Limited · Final report · Aug 4, 2022 · N2055T · Substantial damage
  > The flight instructor’s failure to ensure clearance from an electrical junction box during takeoff, which resulted in a collision.
- [NTSB ERA22FA227](https://openairdocs.org/ntsb/ERA22FA227.md): Schweizer SGS 2-33A · Blairstown, NJ · Accident · 1 fatal · Class 3 · Field · Final report · May 15, 2022 · N17879 · Substantial damage
  > The student pilot’s failure to maintain proper alignment with the landing area during the approach, which resulted in the left wing impacting a tree.
- [NTSB WPR12LA285](https://openairdocs.org/ntsb/WPR12LA285.md): Schweizer SGS233 · Truckee, CA · Accident · No injuries · Limited investigation · Final report · Jun 9, 2012 · N2061T · Substantial damage
  > The pilot's failure to maintain control of the glider while taking off with a gusting wind, which resulted in the glider impacting a runway sign.
- [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…
- [NTSB DEN08CA157](https://openairdocs.org/ntsb/DEN08CA157.md): Schweizer SGS 2-33A · Boulder, CO · Accident · No injuries · Data collection · Final report · Sep 9, 2008 · N17939 · Substantial damage
  > The pilot's failure to use the dive brake during landing resulting in a long landing and collision.
- [NTSB MIA08CA172](https://openairdocs.org/ntsb/MIA08CA172.md): Schweizer 2-33A · Wurtsboro, NY · Accident · No injuries · Data collection · Final report · Aug 23, 2008 · N17885 · Substantial damage
  > The failure of the dual student to relinquish flight control of the glider.

## 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" = '490' 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/490/sequence?model=8051606

---
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.