# NTSB investigations: Lycoming AEIO-540 series, AZ

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 WPR27LA018](https://openairdocs.org/ntsb/WPR27LA018.md): Christen Industries Pitts S-2B · Yuma, AZ · Accident · Serious injuries · Class 4 · Limited · Investigation open · Oct 5, 2026 · N12CK · Substantial damage
- [NTSB WPR22LA088](https://openairdocs.org/ntsb/WPR22LA088.md): Extra Flugzeugbau EA 300/L · Phoenix, AZ · Accident · No injuries · Class 3 · Limited · Final report · Jan 13, 2022 · N203EX · Substantial damage
  > The failure of the right brake due to the separation of the brake pad from the brake assembly. Also causal was the improper maintenance of the airplane, which resulted in the use of a brake pad that was inappropriate for the airplane make and model.
- [NTSB WPR19LA218](https://openairdocs.org/ntsb/WPR19LA218.md): Extra EA300 · Mesa, AZ · Accident · No injuries · Class 3 · Limited · Final report · Aug 14, 2019 · N19AM · Substantial damage
  > The flight instructor’s operation of the airplane outside of the manufacturer’s limitations, which resulted in fuel starvation and a partial loss of engine power. Contributing to the accident was an inoperative electric fuel boost pump.
- [NTSB WPR14LA065](https://openairdocs.org/ntsb/WPR14LA065.md): Aviat S 2C · Chandler, AZ · Accident · No injuries · Limited investigation · Final report · Dec 9, 2013 · N44HV · Substantial damage
  > The pilot’s failure to maintain airplane control during landing, which resulted in impact with a runway identifier sign, and the flight instructor’s delayed remedial action to take the controls and initiate a go-around.
- [NTSB WPR10LA426](https://openairdocs.org/ntsb/WPR10LA426.md): Grob-Werke G 120A · Buckeye, AZ · Accident · No injuries · Limited investigation · Final report · Aug 24, 2010 · N865AF · Substantial damage
  > The student pilot's improper flare, which resulted in a hard landing.
- [NTSB LAX08FA134](https://openairdocs.org/ntsb/LAX08FA134.md): Extra Flugzeugproduktions-GMBH EA-300/L · Queen Creek, AZ · Accident · 2 fatal · Field investigation · Final report · May 9, 2008 · N133EE · Substantial damage
  > The loss of aircraft control due to an undetermined rudder malfunction.

## 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" = 'AZ' 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 ('41568'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=41568&state=AZ

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