# NTSB investigations: Continental TSIO-550 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 CEN11FA227](https://openairdocs.org/ntsb/CEN11FA227.md): Lancair LC41-550FG · Carbondale, IL · Accident · No injuries · Field investigation · Final report · Mar 11, 2011 · N521RT · Substantial damage
  > The fatigue fracture and subsequent failure of the No. 2 cylinder exhaust valve during cruise flight, which resulted in a total loss of engine power.
- [NTSB CHI08LA158](https://openairdocs.org/ntsb/CHI08LA158.md): Maggs Lancair 4P · Alhambra, IL · Accident · 1 fatal · Limited investigation · Final report · Jun 6, 2008 · N241DM · Substantial damage
  > The pilot's decision to continue the flight into an area of known thunderstorm activity and the in-flight structural failure of the airplane.

## 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 ('17043'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=17043&state=IL

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