# NTSB investigations: Lycoming AEIO-540 series, IL

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 CHI01LA030](https://openairdocs.org/ntsb/CHI01LA030.md): Aviat Pitts S-2B · Worth, IL · Accident · No injuries · Limited investigation · Final report · Nov 1, 2000 · N169DM · Substantial damage
  > The pilot's inadequate preflight of the airplane and his failure to verify the fuel supply on board, which resulted in fuel exhaustion. Factors associated with the accident were the low altitude at which the power loss occurred and the lack of suitable…
- [NTSB CHI90DEV07](https://openairdocs.org/ntsb/CHI90DEV07.md): Pitts S2B · Springfield, IL · Accident · 2 fatal · Final report · Aug 5, 1990 · N260RM · Substantial damage
  > The pilot's failure to maintain flying speed and allowed the aircraft to stall during the break turn to downwind.

## 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."eventStateOrRegion" = 'IL' AND c."eventCountry" = 'USA'
  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&state=IL

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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.
