# NTSB investigations: Lycoming IO-540 series, AL: In flight encounter with weather

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 NYC07FA226](https://openairdocs.org/ntsb/NYC07FA226.md): Piper PA-32R-301 · Whitfield, AL · Accident · 1 fatal · Field investigation · Final report · Sep 13, 2007 · N109PA · Destroyed
  > The pilot’s intentional flight into known thunderstorms.
- [NTSB MIA95FA037](https://openairdocs.org/ntsb/MIA95FA037.md): Piper PA-32RT-300 · Sylvan Springs, AL · Accident · 1 fatal · Field investigation · Final report · Dec 11, 1994 · N6517C · Destroyed
  > Poor in-flight planning/decision by the pilot-in-command for failure to deviate to an alternate airport after encountering icing conditions in an airplane not certificated for flight in icing conditions. Also, failure of the pilot to maintain altitude…

## 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" = 'AL' 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" = 240))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=41530&occurrence=240&state=AL

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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.