# NTSB investigations: Lycoming O-360-J2A, UT

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 WPR23LA191](https://openairdocs.org/ntsb/WPR23LA191.md): Robinson Helicopter R22 · Spanish Fork, UT · Accident · No injuries · Class 4 · Limited · Final report · May 15, 2023 · N227WM · Substantial damage
  > The instructor pilot’s improper landing flare during a straight-in autorotation, which resulted in a hard landing.
- [NTSB WPR23LA147](https://openairdocs.org/ntsb/WPR23LA147.md): Robinson Helicopter R22 Beta · Midway, UT · Accident · No injuries · Class 4 · Limited · Final report · Apr 8, 2023 · N7530D · Substantial damage
  > The pilot’s failure to maintain aircraft control during a pinnacle landing that resulted in a hard landing and subsequent roll over.
- [NTSB WPR21LA320](https://openairdocs.org/ntsb/WPR21LA320.md): Robinson Helicopter R22 Beta · West Jordan, UT · Accident · Serious injuries · Class 3 · Limited · Final report · Aug 14, 2021 · N226WM · Substantial damage
  > The pilot receiving instruction’s improper application of forward cyclic in a low rotor rpm condition and the instructor’s delayed remediation, which resulted in an impact with terrain.
- [NTSB WPR13CA068](https://openairdocs.org/ntsb/WPR13CA068.md): Robinson R22 · Logan, UT · Accident · No injuries · Data collection · Final report · Dec 15, 2012 · N393LE · Substantial damage
  > The flight instructor’s delayed remedial action and inadequate supervision during a practice autorotation, which resulted in a failure to maintain adequate main rotor rpm. Contributing to the accident was the wet landing surface.
- [NTSB WPR12LA362](https://openairdocs.org/ntsb/WPR12LA362.md): Robinson Helicopter R22 Beta · Spanish Fork, UT · Accident · Serious injuries · Limited investigation · Final report · Aug 17, 2012 · N208WM · Substantial damage
  > The flight instructor’s delayed remedial action and inadequate supervision during a practice autorotation, which resulted in a hard landing and rollover.
- [NTSB WPR11CA189](https://openairdocs.org/ntsb/WPR11CA189.md): Robinson Helicopter R22 Beta · Salt Lake City, UT · Accident · Minor injuries · Data collection · Final report · Apr 6, 2011 · N268SH · Substantial damage
  > The student pilot's inadvertent action of pulling out the engine's mixture control lever to idle cutoff that resulted in a complete loss of engine power.
- [NTSB WPR10LA232](https://openairdocs.org/ntsb/WPR10LA232.md): Robinson Helicopter R22 Beta · Mendon, UT · Accident · No injuries · Limited investigation · Final report · May 7, 2010 · N393LE · Substantial damage
  > A loss of engine power due to a failure of the magnetos as a result of inadequate maintenance.
- [NTSB LAX08CA159](https://openairdocs.org/ntsb/LAX08CA159.md): Robinson R22 · Salt Lake City, UT · Accident · No injuries · Data collection · Final report · May 31, 2008 · N268SH · Substantial damage
  > The student's improper use of the anti torque pedals during a practice hover autorotation, which resulted in the helicopter rolling over. Additional causes of the accident were the certificated flight instructor's inadequate supervision of the maneuver and…
- [NTSB DEN04CA131](https://openairdocs.org/ntsb/DEN04CA131.md): Robinson R22 Beta · Logan, UT · Accident · No injuries · Data collection · Final report · Aug 24, 2004 · N7530D · Substantial damage
  > the instructor's failure to maintain adequate rotor speed during the landing flare, resulting in a hard landing. Contributing factors include the student's delay in relinquishing the controls and the instructor's improper supervision.

## 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" = 'UT' 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=UT

---
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.