# NTSB investigations: Turbocharging (recip only), 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 ERA25LA198](https://openairdocs.org/ntsb/ERA25LA198.md): Diamond Aircraft Ind DA 40 NG · Sanford, NC · Accident · Serious injuries · Class 3 · Limited · Final report · May 7, 2025 · N499BW · Substantial damage
  > The mechanic’s re-use of worm drive clamps, which resulted in a separation of the turbocharger air discharge duct and a partial loss of engine power during initial climb.
- [NTSB ERA25LA051](https://openairdocs.org/ntsb/ERA25LA051.md): James A Gray Just Aircraft Highlander · Fountain Inn, SC · Accident · Minor injuries · Class 3 · Limited · Final report · Nov 18, 2024 · N102XP · Substantial damage
  > A total loss of engine power for undetermined reasons.
- [NTSB WPR24LA267](https://openairdocs.org/ntsb/WPR24LA267.md): Piper PA-28R-201T · Sacramento, CA · Accident · Minor injuries · Class 3 · Limited · Final report · Aug 4, 2024 · N135DG · Substantial damage
  > A loss of engine power during the initial climb due to the detachment of the turbocharger’s inlet sleeve as a result of the installation of an incorrect sleeve clamp.
- [NTSB WPR17IA198](https://openairdocs.org/ntsb/WPR17IA198.md): Enstrom F 28F · Glendale, AZ · Incident · No injuries · Incident investigation · Final report · Aug 22, 2017 · N52PD · No damage
  > An internal failure of the turbo-compressor, which resulted in oil leaking into the turbo-compressor’s exhaust.
- [NTSB CEN12LA558](https://openairdocs.org/ntsb/CEN12LA558.md): Beech A36 · Ruleton, KS · Accident · No injuries · Limited investigation · Final report · Aug 17, 2012 · N262EA · Substantial damage
  > The improper installation of the wastegate controller O-ring, which resulted in a partial loss of engine power.
- [NTSB CEN11LA327](https://openairdocs.org/ntsb/CEN11LA327.md): Piper PA 46-350P · Chico, TX · Accident · No injuries · Limited investigation · Final report · May 8, 2011 · N80JB · Substantial damage
  > The mechanic's improper installation of the turbocharger's exhaust balance system, which resulted in an in-flight fire.

## 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 f.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_findings.parquet' f WHERE starts_with(f."findingCode", '01058100'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb-findings/01058100/cases

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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.
