# NTSB investigations: Lycoming IO-360-A1B6D, MN

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 CEN16LA391](https://openairdocs.org/ntsb/CEN16LA391.md): Cessna 177RG · Cloquet, MN · Accident · No injuries · Limited investigation · Final report · Sep 30, 2016 · N1528H · Substantial damage
  > A lack of lubrication in the engine for reasons that could not be determined based on the available information, which resulted in a failure of the No. 4 connecting rod and a subsequent total loss of engine power.
- [NTSB CHI05LA076](https://openairdocs.org/ntsb/CHI05LA076.md): Cessna 177RG · Rochester, MN · Accident · Serious injuries · Limited investigation · Final report · Mar 6, 2005 · N2019Q · Substantial damage
  > The loss of engine power due to oil starvation and the subsequent failure of a connecting rod. Additional causes were the improper maintenance due to under-torqued fasteners, and inadequate airframe manufacturer maintenance procedures resulting in an improper…
- [NTSB CHI92LA036](https://openairdocs.org/ntsb/CHI92LA036.md): Piper PA28R-200 · Lakeville, MN · Accident · Minor injuries · Limited investigation · Final report · Dec 1, 1991 · N2072T · 2 aircraft · Substantial damage
  > The failure of both pilots to maintain visual separation from each other. Contributing factors to this accident were an inadequate visual lookout by both pilots and the pilot-in-command's failure to follow procedures and directives.
- [NTSB CHI88LA167](https://openairdocs.org/ntsb/CHI88LA167.md): Cessna 177RG · Mankato, MN · Accident · Minor injuries · Limited investigation · Final report · Jul 17, 1988 · N2059Q · Substantial damage
  > As the pilot leveled off at his intended cruise altitude, he noted a loss of oil pressure, then saw oil spread up over the windshield, restricting his visibility. The pilot performed emergency procedures, and began descending to the nearest airport. During…

## 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" = 'MN' 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 ('41593'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=41593&state=MN

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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.