# NTSB investigations, OR: Loss of lift

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 WPR22LA364](https://openairdocs.org/ntsb/WPR22LA364.md): Schleicher ASW-20 · Hood River, OR · Accident · No injuries · Class 4 · Limited · Final report · Sep 29, 2022 · N220CW · Substantial damage
  > The pilot’s encounter with atmospheric conditions where the lift was not sufficient to maintain flight.
- [NTSB GAA18CA172](https://openairdocs.org/ntsb/GAA18CA172.md): Lithuanian Factory Of LAK 12 · Sunriver, OR · Accident · No injuries · Data collection · Final report · Mar 20, 2018 · N63010 · Substantial damage
  > The glider pilot's inadequate flight planning, which resulted in an off-airport landing.
- [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 WPR12CA304](https://openairdocs.org/ntsb/WPR12CA304.md): Schempp Hirth Nimbus II · Redmond, OR · Accident · No injuries · Data collection · Final report · Jul 13, 2012 · N96132 · Substantial damage
  > A loss of aerodynamic lift that resulted in a forced landing on unsuitable terrain.
- [NTSB WPR12FA274](https://openairdocs.org/ntsb/WPR12FA274.md): Cessna 172 · Veneta, OR · Accident · 4 fatal · Field investigation · Final report · Jun 23, 2012 · N5781A · Substantial damage
  > The pilot’s failure to maintain adequate airspeed and altitude to clear trees during the initial climb after takeoff.

## 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 s.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' s WHERE s."tier2Number" = '500' 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/500/sequence?state=OR

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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.