# NTSB investigations: Schweizer SGS 2-33A: Off-field or emergency landing

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 ERA22LA326](https://openairdocs.org/ntsb/ERA22LA326.md): Schweizer SGS 2-33A · Waynesville, OH · Accident · No injuries · Class 4 · Limited · Final report · Jul 10, 2022 · N3616Q · Substantial damage
  > The pilot’s loss of situational awareness (geographic position), which resulted in his inability to locate the intended landing runway and his decision to perform an off-airport landing.
- [NTSB WPR20CA273](https://openairdocs.org/ntsb/WPR20CA273.md): Schweizer SGS233 · Warner Springs, CA · Accident · No injuries · Class 4 · Data collection · Final report · Aug 14, 2020 · N7547 · Substantial damage
  > The pilot's inability to maintain altitude due to a loss of thermal lift, which resulted in an off-airport landing.
- [NTSB ERA18LA211](https://openairdocs.org/ntsb/ERA18LA211.md): Schweizer SGS233 · Churchville, MD · Accident · No injuries · Limited investigation · Final report · Aug 5, 2018 · N2832H · Substantial damage
  > The pilots' decision to take off from a wet, upsloping turf runway with a quartering tailwind and elevated density altitude conditions, which degraded takeoff and climb performance and resulted in the glider flight instructor's decision to discontinue the…
- [NTSB CEN13CA573](https://openairdocs.org/ntsb/CEN13CA573.md): Schweizer SGS 2 33A · Hampshire, IL · Accident · No injuries · Data collection · Final report · Sep 2, 2013 · N2668H · Substantial damage
  > The student pilot's inadequate compensation for landing area conditions during an off-airport landing which resulted in a collision with an obstruction.
- [NTSB ERA13CA352](https://openairdocs.org/ntsb/ERA13CA352.md): Schweizer SGS 2-33A · Erwinna, PA · Accident · No injuries · Data collection · Final report · Aug 4, 2013 · N1211S · Substantial damage
  > The student pilot's improper altitude and energy management in the landing pattern which resulted in the glider impacting a tree and landing short of the runway.
- [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 WPR12CA084](https://openairdocs.org/ntsb/WPR12CA084.md): Schweizer SGS 2-33A · Peoria, AZ · Accident · Minor injuries · Data collection · Final report · Jan 28, 2012 · N17873 · Substantial damage
  > The glider pilot released from the tow airplane at a lower altitude than the planned altitude, which resulted in an off-airport landing.

## 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" = '440' 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/440/sequence?model=8051606

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