# NTSB investigations: Lycoming TIO-540-AE2A, 2021

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 CEN21LA163](https://openairdocs.org/ntsb/CEN21LA163.md): Piper PA 46-350P · Port Aransas, TX · Accident · No injuries · Class 4 · Limited · Final report · Mar 14, 2021 · N6074A · Substantial damage
  > The pilot’s failure to maintain proper airspeed on approach and his attempt to land on a wet runway with insufficient runway remaining, resulting in an overrun and loss of directional control.
- [NTSB CEN21LA137](https://openairdocs.org/ntsb/CEN21LA137.md): Piper PA46R-350T · Kansas City, MO · Accident · No injuries · Class 3 · Limited · Final report · Feb 22, 2021 · N560CA · Substantial damage
  > The loss of directional control during landing for reasons that could not be determined.
- [NTSB WPR21LA111](https://openairdocs.org/ntsb/WPR21LA111.md): Piper PA46R-350T · Tehachapi, CA · Accident · 1 fatal · Class 3 · Limited · Final report · Feb 14, 2021 · N40TS · Destroyed
  > The pilot’s encounter with mountain wave activity with severe turbulence, which resulted in a loss of airplane control. Contributing to the accident was the pilot’s failure to obtain a preflight weather briefing.
- [NTSB ERA21LA122](https://openairdocs.org/ntsb/ERA21LA122.md): Piper PA46 · Leicester, MA · Accident · Serious injuries · Class 3 · Limited · Final report · Feb 2, 2021 · N221ST · Substantial damage
  > The pilot’s failure to maintain the minimum airspeed for flight in icing conditions, which resulted in a loss of elevator control during approach due to ice accumulation.

## 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") = 2021
  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=2021

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