# NTSB investigations: Lycoming GO-480 series, OH

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 ERA25LA091](https://openairdocs.org/ntsb/ERA25LA091.md): Helio HT-295 · Marion, OH · Accident · No injuries · Class 3 · Limited · Final report · Jan 5, 2025 · N18JC · Substantial damage
  > The failure of the right main landing gear spring due to intergranular stress-corrosion cracking that progressed into fatigue. Contributing to the accident was the improper rework of the spring at an undetermined time.
- [NTSB IAD98LA056](https://openairdocs.org/ntsb/IAD98LA056.md): Grumman G-44 · Cleveland, OH · Accident · No injuries · Limited investigation · Final report · May 12, 1998 · N1AS · Substantial damage
  > Failure of the pilot to extend the landing gear. A related factor was the diverted attention.
- [NTSB NYC91LA195](https://openairdocs.org/ntsb/NYC91LA195.md): Beech C50 · Salem, OH · Accident · Minor injuries · Limited investigation · Final report · Jul 31, 1991 · N9674R · Substantial damage
  > Engine failure as a result of improper maintenance and failure of the propeller feathering system for an undetermined reason. Factors were aircraft poor climb performance as resulted of the unfeathered propeller and obstructions which prevented a return to…
- [NTSB CHI81FEI12](https://openairdocs.org/ntsb/CHI81FEI12.md): Piper PA-28 · Youngstown, OH · Accident · No injuries · Closed · Mar 22, 1981 · N40881 · 2 aircraft · Substantial damage
- [NTSB CHI69F0064](https://openairdocs.org/ntsb/CHI69F0064.md): Helio H-295 · Mansfield, OH · Accident · No injuries · Closed · Jun 25, 1968 · N533LD · Substantial damage

## 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" = 'OH' 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 ('41527'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=41527&state=OH

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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.