# NTSB investigations: Lycoming AEIO-540 series, 1999

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 NYC00LA053](https://openairdocs.org/ntsb/NYC00LA053.md): Christen Industries Pitts S-2B · Shamokin, PA · Accident · No injuries · Limited investigation · Final report · Dec 12, 1999 · N260XX · Substantial damage
  > The pilot's failure to maintain aircraft control.
- [NTSB MIA99LA152](https://openairdocs.org/ntsb/MIA99LA152.md): Christen Industries S-2B · Knoxville, TN · Accident · No injuries · Limited investigation · Final report · May 8, 1999 · N260Z · Substantial damage
  > a total loss of engine power caused by the failure of the number 6 connecting rod, due to oil starvation for an undetermined reason.
- [NTSB LAX99LA103](https://openairdocs.org/ntsb/LAX99LA103.md): Zivko Aeronautics Edge 540 · Livermore, CA · Accident · No injuries · Limited investigation · Final report · Feb 19, 1999 · N9ND · Substantial damage
  > The manufacturer's inadequate quality control procedures, which allowed an improperly manufactured crankshaft to be shipped, resulting in the separation of one counterweight from the crankshaft lug and the subsequent catastrophic internal failure of the…

## 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") = 1999
  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=1999

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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.