# NTSB investigations: Lycoming IO-540 series, IL: In flight collision with terrain/water

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 CHI03LA236](https://openairdocs.org/ntsb/CHI03LA236.md): Polsgrove Bluegrass Express · Grafton, IL · Accident · 1 fatal · Limited investigation · Final report · Jan 9, 2003 · N113YE · Destroyed
  > Undetermined.
- [NTSB CHI83FA138](https://openairdocs.org/ntsb/CHI83FA138.md): Piper PA-601P · Wheeling, IL · Accident · No injuries · Field investigation · Final report · Mar 15, 1983 · N60801 · Substantial damage
  > After making an ILS approach to rwy 16, the plt was cleared to circle and land on rwy 34. As he turned final, he was to the west side of the runway and was too high to land, so he made a left turn-around back to rwy 34. Tower personnel turned the rwy lights…

## 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 ('41530', '41585')
    AND EXISTS (SELECT 1 FROM 'https://openairdocs.org/data/latest/ntsb_occurrences.parquet' o WHERE o.case_mkey = x.case_mkey AND o.aircrafts_position = x.position AND o."occurrenceNumber" = 1 AND o."occurrenceCode" = 230))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=41530&occurrence=230&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.