# NTSB investigations: Lycoming TIO-540-AE2A: Loss of control in flight

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 CEN27FA016](https://openairdocs.org/ntsb/CEN27FA016.md): Piper PA 46-350P · Reedsburg, WI · Accident · 5 fatal · Class 3 · Field · Investigation open · Oct 14, 2026 · N931TT
- [NTSB ERA25LA172](https://openairdocs.org/ntsb/ERA25LA172.md): Piper PA46R-350T · Folkston, GA · Accident · Serious injuries · Class 4 · Limited · Final report · Apr 10, 2025 · N179ST · Substantial damage
  > The pilot’s failure to maintain control of the airplane during a go-around.
- [NTSB CEN24FA160](https://openairdocs.org/ntsb/CEN24FA160.md): Piper PA 46-350P · Hartsburg, MO · Accident · 1 fatal · Class 3 · Field · Final report · Apr 16, 2024 · N451MA · Destroyed
  > The pilot’s encounter with convective weather conditions, which resulted in a loss of airplane control, the exceedance of the airplane’s never exceed speed, and the resulting overload failure of the horizontal stabilizer and subsequent failure of the…
- [NTSB GAA24WA072](https://openairdocs.org/ntsb/GAA24WA072.md): Piper PA 46-350P · Ramos Arizpe, Coahuila,, Mexico · Accident · 4 fatal · Class 5 · Foreign · Jan 5, 2024 · N6074A · Destroyed
- [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.
- [NTSB CEN20LA430](https://openairdocs.org/ntsb/CEN20LA430.md): Piper PA46R-350T · Rogers, AR · Accident · No injuries · Class 4 · Limited · Final report · Sep 25, 2020 · N920X · Substantial damage
  > The pilot’s inadvertent loss of aircraft control, resulting in substantial damage to the airframe during the spin recovery.
- [NTSB CEN20CA396](https://openairdocs.org/ntsb/CEN20CA396.md): Piper PA46 · Jacksonville, TX · Accident · Minor injuries · Class 4 · Data collection · Final report · Sep 16, 2020 · N972DD · Substantial damage
  > The student pilot’s failure to maintain control of the airplane during the landing approach and the exceedance of the airplane’s critical angle of attack at low altitude resulting in an aerodynamic stall. Contributing was the instructor pilot’s failure to…

## 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 x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('41999', '40999')
    AND EXISTS (SELECT 1 FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' e WHERE e.case_mkey = x.case_mkey AND e.aircrafts_position = x.position AND e."isDefiningEvent" AND e."tier2Number" = '240'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb-events/240/cases?engine=41999

---
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.