# Ongoing NTSB investigations, TN: Loss of engine power (partial)

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 ERA25LA346](https://openairdocs.org/ntsb/ERA25LA346.md): Piper PA-24-180 · Ashland City, TN · Accident · Minor injuries · Class 3 · Limited · Preliminary report · Sep 5, 2025 · N5759P · Substantial damage
  > On September 5, 2025, at 1645 central daylight time, N5759P, a Piper Cherokee PA-24-180, sustained substantial damage when it was involved in an accident near Ashland City, Tennessee. The private pilot sustained minor injuries. The flight was conducted as a…
- [NTSB ERA25LA222](https://openairdocs.org/ntsb/ERA25LA222.md): Dehavilland DHC-6 Twin Otter · Tullahoma, TN · Accident · Serious injuries · Class 3 · Limited · Preliminary report · Jun 8, 2025 · N166DH · Substantial damage
  > On June 8, 2025, about 1220 central daylight time, a DeHavilland DHC-6 Twin Otter, N166DH, was involved in an accident near Tullahoma, Tennessee. The commercial pilot and five passengers were seriously injured, and 15 passengers were not injured. The flight…

## 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" = 'TN' AND c."eventCountry" = 'USA'
  AND c."completionStatus" = 'Ongoing'
  AND c."mKey" IN (SELECT s.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' s WHERE s."tier2Number" = '342' 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/342/sequence?state=TN&status=ongoing

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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.