# NTSB investigations: Austro E4-A, NC

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 ERA24LA066](https://openairdocs.org/ntsb/ERA24LA066.md): Diamond Aircraft Ind DA 40 NG · Asheville, NC · Accident · Serious injuries · Class 3 · Limited · Final report · Dec 15, 2023 · N907L · Substantial damage
  > Fatigue failure of the No. 4 inner main bearing cap screw and connecting rod bolts, which resulted in a total loss of engine power. Contributing to the failure were the low material strength of the inner main bearing cap screw and the increased loads on the…
- [NTSB ERA22LA169](https://openairdocs.org/ntsb/ERA22LA169.md): Diamond Aircraft Ind DA 40 NG · Smithfield, NC · Accident · Serious injuries · Class 3 · Limited · Final report · Mar 25, 2022 · N471BL · Substantial damage
  > Maintenance personnel’s failure to set the correct engine timing after the replacement of a cylinder head and exhaust camshaft before the accident flight, which resulted in a total loss of engine power.

## 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" = 'NC' AND c."eventCountry" = 'USA'
  AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('06402'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=06402&state=NC

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