# NTSB investigations: Lycoming O-360-J2A, 2012

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 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 ANC12CA111](https://openairdocs.org/ntsb/ANC12CA111.md): Robinson Helicopter R22 Beta II · Anchorage, AK · Accident · No injuries · Data collection · Final report · Sep 26, 2012 · N4171J · Substantial damage
  > The flight instructor's inadequate supervision of the student pilot during a hovering autorotation, which resulted in a dynamic rollover.
- [NTSB CEN12FA621](https://openairdocs.org/ntsb/CEN12FA621.md): Robinson Helicopter R22 Beta · Houston, TX · Accident · 2 fatal · Field investigation · Final report · Sep 10, 2012 · N281RG · Substantial damage
  > The pilot's failure to maintain control of the helicopter after a loss of engine power. The reason for the loss of engine power could not be determined because examination did not reveal any anomalies that would have precluded operation.
- [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 ERA12LA282](https://openairdocs.org/ntsb/ERA12LA282.md): Robinson Helicopter R22 Beta · Farmington, CT · Accident · Serious injuries · Limited investigation · Final report · Apr 14, 2012 · N1152W · Substantial damage
  > The pilot's inadequate compensation for wind during a high-power, low-speed downwind turn, which resulted in a loss of control due to loss of tail rotor effectiveness and settling with power. Contributing to the accident was the pilot’s decision to land…
- [NTSB WPR12LA140](https://openairdocs.org/ntsb/WPR12LA140.md): Robinson Helicopter R22 Beta · Palo Alto, CA · Accident · Minor injuries · Limited investigation · Final report · Mar 15, 2012 · N290SH · Substantial damage
  > The pilot's improper use of the throttle grip, which resulted in the deactivation of the rpm governor and a loss of rotor rpm.

## 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 year(c."eventDate") = 2012
  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&year=2012

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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.