# NTSB investigations: Lycoming IO-540-AB1A5, CO

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 CEN25FA047](https://openairdocs.org/ntsb/CEN25FA047.md): Cessna 182T · Drake, CO · Accident · 2 fatal · Class 3 · Field · Final report · Nov 23, 2024 · N434CP · Destroyed
  > The pilot’s failure to maintain airplane control while maneuvering in mountainous terrain. Contributing was mountain wave turbulence in the area.
- [NTSB CEN13LA258](https://openairdocs.org/ntsb/CEN13LA258.md): Cessna 182T · Delta, CO · Accident · No injuries · Limited investigation · Final report · May 2, 2013 · N2012Y · Substantial damage
  > The loss of propeller control for reasons that could not be determined because postaccident examinations revealed no anomalies that would have precluded normal operation and the airplane’s subsequent collision with power lines during the forced landing.
- [NTSB DEN07CA128](https://openairdocs.org/ntsb/DEN07CA128.md): Cessna 182T · Grand Junction, CO · Accident · No injuries · Data collection · Final report · Jul 26, 2007 · N1049V · Substantial damage
  > The pilot's failure to maintain aircraft control during the landing.

## 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" = 'CO' 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 ('41808'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=41808&state=CO

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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.