# NTSB investigations: Lycoming TIO-540 series: Loss of control on ground

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 WPR22LA163](https://openairdocs.org/ntsb/WPR22LA163.md): Textron T206H · Santa Barbara, CA · Accident · No injuries · Class 3 · Limited · Final report · Apr 21, 2022 · N20617 · Substantial damage
  > The loss of directional control for undetermined reasons. Contributing was the overstress fracture of the nose gear upper trunnion brace attach point.
- [NTSB CEN21LA186](https://openairdocs.org/ntsb/CEN21LA186.md): Piper PA 46-350P · Aspen, CO · Accident · No injuries · Class 4 · Limited · Final report · Feb 28, 2021 · N6962S · Substantial damage
  > The pilot’s failure to maintain directional control on landing.
- [NTSB GAA19CA456](https://openairdocs.org/ntsb/GAA19CA456.md): Piper PA46 · Sparta, TN · Accident · No injuries · Data collection · Final report · Jul 27, 2019 · N12KW · Substantial damage
  > The pilot's failure to maintain the runway heading during an aborted takeoff, which resulted in a runway excursion and collision with a sign and terrain. Contributing to the need to abort the takeoff was the pilot's improper decision to take off with the…
- [NTSB ERA19LA086](https://openairdocs.org/ntsb/ERA19LA086.md): Piper PA46 · Petersburg, WV · Accident · No injuries · Class 3 · Limited · Final report · Nov 18, 2018 · N88VZ · Substantial damage
  > A loss of control during the landing roll and subsequent runway excursion for reasons that could not be determined based on the available evidence.

## 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 ('41569', '42500')
    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" = '230'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb-events/230/cases?engine=41569

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