# NTSB investigations: Lycoming IO-540-W1A5D

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 ANC13LA049](https://openairdocs.org/ntsb/ANC13LA049.md): Maule M-6-235 · Big Lake, AK · Accident · No injuries · Limited investigation · Final report · May 19, 2013 · N56464 · Substantial damage
  > The pilot’s execution of a hard landing, which resulted in the overstress fracture of the right main axle housing and the subsequent nosedown.
- [NTSB CEN12CA130](https://openairdocs.org/ntsb/CEN12CA130.md): Maule M-7-235 · Eldorado, TX · Accident · No injuries · Data collection · Final report · Dec 28, 2011 · N6129T · Substantial damage
  > The pilot's inadequate in-flight planning and decision-making, which resulted in a loss of control during a crosswind landing.
- [NTSB FTW03LA001](https://openairdocs.org/ntsb/FTW03LA001.md): Maule M-7-235C · San Antonio, TX · Accident · Minor injuries · Limited investigation · Final report · Oct 1, 2002 · N4269B · Destroyed
  > The pilot's failure to compensate for the existing winds conditions. A contributing factor was the prevailing tailwind.

## 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."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('41658'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=41658

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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.