# Major NTSB investigations: Lycoming IO-540 series

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 ERA09MA157](https://openairdocs.org/ntsb/ERA09MA157.md): Cessna 206H · Quebradillas, PR · Accident · 6 fatal · Major investigation · Final report · Feb 8, 2009 · N118ME · Destroyed
  > The pilot exceeded the design limits of the airplane, which resulted in an in-flight break up while maneuvering in adverse weather conditions.
- [NTSB NYC99MA178](https://openairdocs.org/ntsb/NYC99MA178.md): Piper PA-32R-301 · Vineyard Haven, MA · Accident · 3 fatal · Major investigation · Final report · Jul 17, 1999 · N9253N · Destroyed
  > The pilot's failure to maintain control of the airplane during a descent over water at night, which was a result of spatial disorientation. Factors in the accident were haze, and the dark night.
- [NTSB NYC84MA151](https://openairdocs.org/ntsb/NYC84MA151.md): Piper PA-60-601P · Cockeysville, MD · Accident · 2 fatal · Major investigation · Final report · Apr 28, 1984 · N6079R · Destroyed
  > On the day of departure the plt had received a 30 min familiarization flt upon completion of the superstar conversion. Emphasis was directed to eng gages, fuel flow & counter, & power settings. The flt was flown at 5,500 ft. the plt then obtained a wx…

## 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.board_report_url IS NOT NULL OR c."investigationClass" = 'Class 1' OR c."caseType" = 'Major - Launch')
  AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('41530', '41585'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=41530&major=1

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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.