# NTSB investigations: Lycoming AEIO-360 series: Sys/Comp malf/fail (non-power)

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 CEN25LA287](https://openairdocs.org/ntsb/CEN25LA287.md): Aerotek Pitts S-2A · New Holstein, WI · Accident · No injuries · Class 4 · Limited · Final report · Jul 26, 2025 · N83PS · Substantial damage
  > The pilot’s loss of direction control during landing due to an unapproved tailwheel assembly and tail spring that resulted in a tailwheel shimmy and a subsequent ground loop.
- [NTSB ANC12IA085](https://openairdocs.org/ntsb/ANC12IA085.md): Bellanca 8KCAB · Homer, AK · Incident · No injuries · Incident investigation · Final report · Jul 29, 2012 · N5026B · Minor damage
  > The failure of the left main landing gear leg due to fatigue. Contributing to the incident was maintenance personnel's failure to completely remove all corrosion before repainting the gear leg.
- [NTSB WPR10LA121](https://openairdocs.org/ntsb/WPR10LA121.md): American Champion 8KCAB · Fallon, NV · Accident · No injuries · Limited investigation · Final report · Jan 27, 2010 · N101BY · Substantial damage
  > Interference between the front seat lap belt and the rear seat rudder/brake pedal assembly that prevented normal operation of the rudder/brake system, which resulted in the pilots’ inability to maintain directional control.

## 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."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('41522', '41601')
    AND EXISTS (SELECT 1 FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' e WHERE e.case_mkey = x.case_mkey AND e.aircrafts_position = x.position AND e."isDefiningEvent" AND e."tier2Number" = '330'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb-events/330/cases?engine=41522

---
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.
