# NTSB investigations, NH: 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 ERA25LA287](https://openairdocs.org/ntsb/ERA25LA287.md): Grob-Werke Twin Astir · Franconia, NH · Accident · No injuries · Class 4 · Limited · Final report · Jul 24, 2025 · N103GV · Substantial damage
  > The pilot’s failure to detect the inadvertent deployment of the spoilers, which resulted in a prolonged, excessive descent rate. Contributing to the accident was the pilot’s decision to conduct a downwind approach versus a straight in approach to the…
- [NTSB ERA24LA291](https://openairdocs.org/ntsb/ERA24LA291.md): Burkhart Grob Flugzeugbau G102 Astir CS · Benton, NH · Accident · No injuries · Class 4 · Limited · Final report · Jun 2, 2024 · N152SS · Substantial damage
  > An encounter with atmospheric conditions where the lift was not sufficient to maintain flight, resulting in collision with trees.

## 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" = 'NH' 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=NH

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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.
