# NTSB investigations: Lycoming O-360-J2A, 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 WPR22FA001](https://openairdocs.org/ntsb/WPR22FA001.md): Robinson Helicopter R22 · Chandler, AZ · Accident · 2 fatal · Class 3 · Field · Final report · Oct 1, 2021 · N412TL · 2 aircraft · Substantial damage
  > The failure of the pilots onboard the airplane to see and avoid the helicopter while maneuvering in the traffic pattern, which resulted in a midair collision.
- [NTSB WPR16LA156](https://openairdocs.org/ntsb/WPR16LA156.md): Robinson R22 · Prescott, AZ · Accident · Minor injuries · Limited investigation · Final report · Aug 2, 2016 · N22UH · Substantial damage
  > The flight instructor’s delayed remedial action to address a low rotor rpm condition, which resulted in an excessive descent rate and a subsequent hard landing.
- [NTSB WPR15IA080](https://openairdocs.org/ntsb/WPR15IA080.md): Robinson Helicopter R22 Beta II · Phoenix, AZ · Incident · No injuries · Incident investigation · Final report · Dec 30, 2014 · N7041X · No damage
  > The failure of the fanshaft due to fatigue.
- [NTSB WPR09FA284](https://openairdocs.org/ntsb/WPR09FA284.md): Robinson Helicopter R22 Beta · Morristown, AZ · Accident · 1 fatal · Field investigation · Final report · Jun 11, 2009 · N149SH · Substantial damage
  > The pilot's failure to maintain clearance from the power line.
- [NTSB WPR09CA173](https://openairdocs.org/ntsb/WPR09CA173.md): Robinson Helicopter R22 Beta · Chandler, AZ · Accident · No injuries · Data collection · Final report · Mar 30, 2009 · N74815 · Substantial damage
  > The certified flight instructor's inadequate supervision of the student pilot during a hover demonstration and his subsequent loss of helicopter control that resulted in a dynamic rollover.
- [NTSB SEA07CA233](https://openairdocs.org/ntsb/SEA07CA233.md): Robinson R-22 Beta II · Tucson, AZ · Accident · No injuries · Data collection · Final report · Aug 13, 2007 · N453SH · Substantial damage
  > The student pilot's failure to maintain rotor RPM during landing approach, and the delayed remedial action by the flight instructor. A contributing factor was the high density altitude weather condition.
- [NTSB LAX07CA090](https://openairdocs.org/ntsb/LAX07CA090.md): Robinson R22 Beta · Tucson, AZ · Accident · No injuries · Data collection · Final report · Feb 19, 2007 · N453SH · Substantial damage
  > The failure of the student pilot to maintain an adequate main rotor rpm and the instructor’s failure to maintain control of the aircraft.

## 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 ('42314'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=42314&state=AZ

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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.
