# NTSB investigations: Schweizer SGS 2-33A, OR

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 WPR25LA138](https://openairdocs.org/ntsb/WPR25LA138.md): Schweizer SGS 2-33A · Hood River, OR · Accident · No injuries · Class 4 · Limited · Final report · Apr 19, 2025 · N5786S · Substantial damage
  > The glider’s encounter with atmospheric conditions where the lift was not sufficient to maintain flight.
- [NTSB WPR13CA333](https://openairdocs.org/ntsb/WPR13CA333.md): Schweizer SGS 2-33A · Hood River, OR · Accident · Serious injuries · Data collection · Final report · Jul 20, 2013 · N2052T · Substantial damage
  > The glider encountered atmospheric conditions where the lift was not sufficient to maintain flight, which resulted in an off airport landing on rough terrain.
- [NTSB SEA06CA125](https://openairdocs.org/ntsb/SEA06CA125.md): Schweizer SGS 2-33A · Hood River, OR · Accident · No injuries · Data collection · Final report · Jun 18, 2006 · N2052T · Substantial damage
  > A loss of lift, which resulted in a forced landing. Trees in the landing area were a contributing factor.
- [NTSB SEA98LA094](https://openairdocs.org/ntsb/SEA98LA094.md): Schweizer SGS 2-33A · North Plains, OR · Accident · No injuries · Limited investigation · Final report · Jun 11, 1998 · N65918 · Substantial damage
  > The pilot's failure to maintain directional control and his failure to maintain clearance from a pole. Contributing factors were rain and an overcast which resulted in less than optimal conditions to detect the pole.
- [NTSB SEA85LA002](https://openairdocs.org/ntsb/SEA85LA002.md): Schweizer SGS 2-33A · Hood River, OR · Accident · Minor injuries · Limited investigation · Final report · Oct 4, 1984 · N5786S · Substantial damage
  > At about 150 ft AGL on climb out, the tow plane lost power for an unspecified reason. The glider pilot released the tow and executed a 180 degree course reversal to a downwind (15 KTS) landing. During roll out, the left wing contacted the ground, causing an…
- [NTSB SEA77FYM53](https://openairdocs.org/ntsb/SEA77FYM53.md): Schweizer 2-33A · North Plains, OR · Accident · No injuries · Closed · Jul 23, 1977 · N5759S · Substantial damage
- [NTSB SEA76DYC07](https://openairdocs.org/ntsb/SEA76DYC07.md): Schweizer SGS233 · North Plains, OR · Accident · No injuries · Closed · Jul 19, 1975 · N5759S · Substantial damage
- [NTSB SEA71DWD08](https://openairdocs.org/ntsb/SEA71DWD08-201676.md): Schweizer SGS233 · North Plains, OR · Accident · No injuries · Closed · Aug 2, 1970 · N7761S · Substantial damage

## 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."eventStateOrRegion" = 'OR' AND c."eventCountry" = 'USA'
  AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.aircraft_model_code IN ('8051606'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?model=8051606&state=OR

---
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.