# NTSB investigations: Lycoming IO-540-AE1A5, 2010

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 CEN11CA126](https://openairdocs.org/ntsb/CEN11CA126.md): Robinson Helicopter R44 II · Hemphill, TX · Accident · Minor injuries · Data collection · Final report · Dec 22, 2010 · N841SA · Substantial damage
  > The student pilot’s improper decision to carry an unauthorized passenger and the passenger’s loss of control of the helicopter during take-off.
- [NTSB ERA10FA403](https://openairdocs.org/ntsb/ERA10FA403.md): Robinson Helicopter R44 II · Blairsville, GA · Accident · 2 fatal · Field investigation · Final report · Aug 2, 2010 · N34JS · Substantial damage
  > The non-instrument-rated pilot's continued visual flight into instrument meteorological conditions, which resulted in controlled flight into terrain.
- [NTSB CEN10CA417](https://openairdocs.org/ntsb/CEN10CA417.md): Robinson Helicopter R44 II · Shreveport, LA · Accident · No injuries · Data collection · Final report · Jul 19, 2010 · N721BB · Substantial damage
  > The student pilot's failure to maintain control of the helicopter during takeoff, resulting in a loss of tail rotor effectiveness and a subsequent hard landing.

## 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") = 2010
  AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('41899'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=41899&year=2010

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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.