# NTSB investigations: Lycoming TIO-540-AE2A, 2023

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 ERA24FA078](https://openairdocs.org/ntsb/ERA24FA078.md): Piper PA46R-350T · Mooresville, NC · Accident · 1 fatal · Class 3 · Field · Final report · Dec 31, 2023 · N539MA · Substantial damage
  > A missing induction clamp, which allowed the induction hose to the left side intercooler to become disconnected, resulting in a total loss of engine power due to an overly rich fuel/air mixture.
- [NTSB WPR24LA017](https://openairdocs.org/ntsb/WPR24LA017.md): Piper PA 46-350P · Eastsound, WA · Accident · No injuries · Class 4 · Limited · Final report · Oct 13, 2023 · N509Z · Substantial damage
  > The pilot's unstable approach and improper configuration of the flaps during a go-around which resulted in an aerodynamic stall and subsequent impact with terrain.
- [NTSB CEN23FA084](https://openairdocs.org/ntsb/CEN23FA084.md): Piper PA46 · Yoakum, TX · Accident · 4 fatal · Class 3 · Field · Final report · Jan 17, 2023 · N963MA · Substantial damage
  > The pilot’s spatial disorientation during a missed approach in instrument meteorological conditions, which led to an exceedance of the airplane’s critical angle of attack and a subsequent aerodynamic stall.

## 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 year(c."eventDate") = 2023
  AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('41999', '40999'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=41999&year=2023

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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.
