# NTSB investigations, NH: Not determined, general

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 ERA22LA283](https://openairdocs.org/ntsb/ERA22LA283.md): Piper PA-18A · Charlestown, NH · Accident · Serious injuries · Class 3 · Limited · Final report · Jun 22, 2022 · N1927A · Substantial damage
  > The pilot’s failure to see and avoid power lines while maneuvering at low altitude.
- [NTSB ERA15FA241](https://openairdocs.org/ntsb/ERA15FA241.md): Piper PA-22 · Laconia, NH · Accident · Serious injuries · Field investigation · Final report · Jun 18, 2015 · N2569P · Substantial damage
  > A total loss of engine power for reasons that could not be determined because of insufficient evidence found during postaccident examination of the airframe and engine.
- [NTSB ERA12LA069](https://openairdocs.org/ntsb/ERA12LA069.md): Grenier Raymond Vans Aircraft RV-8 · Nashua, NH · Accident · No injuries · Limited investigation · Final report · Nov 9, 2011 · N220RG · Substantial damage
  > The right main landing gear collapse due to the overload fracture of the hardware for reasons that could not be determined during postaccident testing and examination.
- [NTSB ERA09LA105](https://openairdocs.org/ntsb/ERA09LA105.md): Bell 407 · Bow, NH · Accident · Serious injuries · Limited investigation · Final report · Dec 22, 2008 · N407GB · Substantial damage
  > An interruption of fuel flow for undetermined reasons, which resulted in an engine flameout.
- [NTSB NYC08LA293](https://openairdocs.org/ntsb/NYC08LA293.md): Cessna 177RG · Bristol, NH · Accident · Serious injuries · Limited investigation · Final report · Aug 27, 2008 · N2088Q · Substantial damage
  > The pilot's failure to clear the trees during takeoff due to a partial loss of engine power for undetermined reasons.

## 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 f.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_findings.parquet' f WHERE starts_with(f."findingCode", '05000000'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb-findings/05000000/cases?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.