# NTSB investigations: Lycoming IO-320 series, 1994

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 FTW94LA322](https://openairdocs.org/ntsb/FTW94LA322.md): Bellanca 7KCAB · Frederick, CO · Accident · No injuries · Limited investigation · Final report · Sep 28, 1994 · N53844 · Substantial damage
  > A fatigue failure of the left main landing gear axle.
- [NTSB BFO94LA124](https://openairdocs.org/ntsb/BFO94LA124.md): Piper PA-30 · Sandy Hook, NJ · Accident · No injuries · Limited investigation · Final report · Jun 30, 1994 · N7041Y · Destroyed
  > The loss of engine power for reasons undetermined and the inability of the pilot to feather the propeller.
- [NTSB CHI94DCA01](https://openairdocs.org/ntsb/CHI94DCA01.md): Piper PA-39 · Viburnum, MO · Accident · 1 fatal · Final report · Feb 18, 1994 · N8913Y · Destroyed
  > The pilot's failure to maintain adequate airspeed during the turn to final. The gusty tailwind during the turn was a contributing factor.

## 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 year(c."eventDate") = 1994
  AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('41509'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=41509&year=1994

---
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.