# NTSB investigations: Lycoming O-360 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 CEN24LA026](https://openairdocs.org/ntsb/CEN24LA026.md): Piper PA-44-180 · Savoy, IL · Accident · No injuries · Class 4 · Limited · Final report · Oct 24, 2023 · N5331N · Substantial damage
  > The pilot’s failure to extend the landing gear before landing and the flight instructor’s inadequate supervision to ensure that the landing gear was extended.
- [NTSB CEN20LA400](https://openairdocs.org/ntsb/CEN20LA400.md): Safari S · Red Bud, IL · Accident · 1 fatal · Class 3 · Limited · Final report · Sep 19, 2020 · N60WD · Destroyed
  > A loss of control for reasons that could not be determined.
- [NTSB GAA16CA296](https://openairdocs.org/ntsb/GAA16CA296.md): Robinson Helicopter R22 · Cahokia/St. Louis, IL · Accident · No injuries · Data collection · Final report · Jun 7, 2016 · N931SH · Substantial damage
  > The flight instructor's delayed remedial action and his failure to remain vigilant as the helicopter entered the weathercock stability region, in gusting wind conditions, resulting in loss of tail rotor effectiveness and ground impact.
- [NTSB CEN14LA517](https://openairdocs.org/ntsb/CEN14LA517.md): Robinson Helicopter R22 Beta · Cahokia, IL · Accident · No injuries · Limited investigation · Final report · Sep 19, 2014 · N115DD · Substantial damage
  > The pilot’s poor decision to take off with the clutch warning light illuminated, which resulted in the total failure of the fan assembly due to a lack of lubrication. Contributing to the accident was the mechanic’s failure to lubricate the lower actuator…
- [NTSB CEN11CA351](https://openairdocs.org/ntsb/CEN11CA351.md): Robinson Helicopter R22 Beta · Lansing, IL · Accident · No injuries · Data collection · Final report · May 20, 2011 · N7197Z · Substantial damage
  > The student pilot’s failure to maintain control of the helicopter while hovering.
- [NTSB CHI08CA112](https://openairdocs.org/ntsb/CHI08CA112.md): Pierson RV-6 · Newark, IL · Accident · No injuries · Data collection · Final report · Apr 20, 2008 · N606JP · Substantial damage
  > The partial loss of engine power due to the fracture of the number 4 exhaust valve, and the pilot's decision to shut-down the engine without sufficient altitude to ensure a safe glide path to the runway. Contributing to the accident was the barbed wire fence…
- [NTSB CHI03FA025](https://openairdocs.org/ntsb/CHI03FA025.md): Robinson R22 · St. Jacob, IL · Accident · No injuries · Field investigation · Final report · Nov 20, 2002 · N559DD · Substantial damage
  > Fatigue fracture of the clutch assembly fan shaft and the resulting complete loss of power to the rotor drive system. A contributing factor was the loss of tail rotor authority due to the secondary failure of the control tube assembly.

## 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 ('41575'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=41575&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.