# NTSB investigations: Lycoming AEIO-540 series, 2009

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 ERA09LA388](https://openairdocs.org/ntsb/ERA09LA388.md): Christen Industries Pitts S-2B · Oakland, MS · Accident · Serious injuries · Limited investigation · Final report · Jul 8, 2009 · N113DW · Substantial damage
  > A total loss of engine power while maneuvering (after performing aerobatics) for undetermined reasons.
- [NTSB CEN09CA287](https://openairdocs.org/ntsb/CEN09CA287.md): Pitts Aerobatics S-2B · Muskogee, OK · Accident · Serious injuries · Data collection · Final report · May 9, 2009 · N6027V · Substantial damage
  > Inadequate supervision by the certified flight instructor, resulting in a delayed stall recovery attempt.
- [NTSB WPR09LA203](https://openairdocs.org/ntsb/WPR09LA203.md): Extra EA-300 · Santa Barbara, CA · Accident · 1 fatal · Limited investigation · Final report · Apr 20, 2009 · N101PK · Substantial damage
  > The pilot's failure to maintain clearance with terrain for undetermined reasons while performing aerobatics.
- [NTSB ERA09LA188](https://openairdocs.org/ntsb/ERA09LA188.md): MXR Technologies MX2 · Dade City, FL · Accident · 2 fatal · Limited investigation · Final report · Mar 9, 2009 · N262MX · Substantial damage
  > An in-flight loss of aircraft control for an undetermined reason.

## 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") = 2009
  AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('41568'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=41568&year=2009

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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.