# NTSB investigations: Lycoming IO-320 series, WY

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 WPR14LA323](https://openairdocs.org/ntsb/WPR14LA323.md): Rans S-16 · Fort Bridger, WY · Accident · No injuries · Limited investigation · Final report · Aug 1, 2014 · N116GS · Substantial damage
  > The fuel flow divider inlet line’s B-nut coming loose during takeoff, resulting in a total loss of engine power. Contributing to the accident was the pilot's failure to adequately tighten the B-nut during recent maintenance.
- [NTSB DEN04FA074](https://openairdocs.org/ntsb/DEN04FA074.md): Piper PA-30 · Evanston, WY · Accident · 2 fatal · Field investigation · Final report · May 24, 2004 · N7460Y · Destroyed
  > the pilot's failure to maintain terrain clearance. Contributing factors include snow, low ceiling, icing conditions, and the dark night.
- [NTSB DEN87LA113](https://openairdocs.org/ntsb/DEN87LA113.md): Beech A24R · Beulah, WY · Accident · No injuries · Limited investigation · Final report · Apr 28, 1987 · N9784L · Substantial damage
  > The acft lost power during a normal climb on a personal trip. The private plt noticed a drop in fuel flow pressure and smelled fuel. The plt then selected boost pump on but the pressure stayed low. The plt elected to make a forced landing and selected a…
- [NTSB DEN77DTC04](https://openairdocs.org/ntsb/DEN77DTC04.md): Piper PA-12 · Rock Springs, WY · Accident · No injuries · Closed · Dec 17, 1976 · N3277M · Substantial damage
- [NTSB DEN73FTC13](https://openairdocs.org/ntsb/DEN73FTC13.md): Piper PA-30 · Riverton, WY · Accident · No injuries · Closed · Dec 14, 1972 · N7657Y · 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" = 'WY' 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 ('41509'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

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

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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.