# Fatal NTSB investigations: Lycoming IO-720 series

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 ERA10FA138](https://openairdocs.org/ntsb/ERA10FA138.md): Beech 65 · Lawrenceville, GA · Accident · 1 fatal · Field investigation · Final report · Feb 8, 2010 · N130SP · Substantial damage
  > The failure of both engines for undetermined reasons.
- [NTSB ERA09FA303](https://openairdocs.org/ntsb/ERA09FA303.md): Aero Commander 500 S · Daytona Beach, FL · Accident · 1 fatal · Field investigation · Final report · May 25, 2009 · N73U · Substantial damage
  > A total loss of engine power due to fuel exhaustion as a result of the pilot’s inadequate preflight inspection.
- [NTSB DEN91FA039](https://openairdocs.org/ntsb/DEN91FA039.md): Piper PA-24-400 · Snowmass, CO · Accident · 2 fatal · Field investigation · Final report · Feb 8, 1991 · N8510P · Destroyed
  > The pilot's failure to maintain a proper altitude in mountainous terrain.
- [NTSB FTW82FRJ12](https://openairdocs.org/ntsb/FTW82FRJ12.md): Piper PA-36-375 · Wildsville, LA · Accident · 1 fatal · Final report · Jun 21, 1982 · N90297 · Destroyed
  > The pilot took off on a local flight to spray a bean field. About 1000 ft from the end of the field was a 300 ft radio tower. The aircraft was observed to circle the bean field and circle the radio tower twice. During a procedure turn, the aircraft struck the…
- [NTSB FTW82FQG15](https://openairdocs.org/ntsb/FTW82FQG15.md): Piper PA-36 · Floydada, TX · Accident · 1 fatal · Final report · Mar 4, 1982 · N2394Y · Destroyed
  > The aircraft crashed about 500 ft north of the field that was being sprayed. After impact, it traveled about 90 ft on a heading of 060 degrees. Green glass fragments were found at the initial impact point as well as propeller slash marks that were nearby. No…

## 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."highestInjuryLevel" = 'Fatal'
  AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('41546'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=41546&fatal=1

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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.