# NTSB investigations: Lycoming O-360-J2A: Loss of control in flight

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 ERA26LA313](https://openairdocs.org/ntsb/ERA26LA313.md): Robinson Helicopter R22 Beta · Milton, FL · Accident · Minor injuries · Class 4 · Limited · Final report · Aug 24, 2026 · N979SH · Substantial damage
  > The flight instructor’s failure to maintain control of the helicopter during a low hover over a grass area, which resulted in left skid contact with the ground and a dynamic rollover to the left.
- [NTSB CEN25LA302](https://openairdocs.org/ntsb/CEN25LA302.md): Robinson Helicopter R22 Beta · Taylor, TX · Accident · Minor injuries · Class 4 · Limited · Final report · Aug 3, 2025 · N4684S · Substantial damage
  > The flight instructor’s inadequate supervision and delayed remedial action which resulted in a skid contacting the terrain. Contributing to the accident was the flight instructor’s improper judgement to allow the student pilot to manipulate the flight…
- [NTSB CEN24LA005](https://openairdocs.org/ntsb/CEN24LA005.md): Helicopteres Guimbal Cabri G2 · Cahokia Heights, IL · Accident · No injuries · Class 4 · Limited · Final report · Oct 2, 2023 · N354MH · Substantial damage
  > The student pilot’s failure to maintain helicopter control which resulted in impact with the ground.
- [NTSB ERA23LA084](https://openairdocs.org/ntsb/ERA23LA084.md): Robinson Helicopter R22 Beta · Gilgo-Oak Beach-Captree, NY · Accident · No injuries · Class 4 · Limited · Final report · Dec 11, 2022 · N14HT · Substantial damage
  > The flight instructor’s inadequate remedial action while supervising the student pilot’s practice autorotation in gusting wind conditions, which resulted in a dynamic rollover.
- [NTSB ERA22LA431](https://openairdocs.org/ntsb/ERA22LA431.md): Robinson Helicopter R-22 Beta · Nashville, TN · Accident · Minor injuries · Class 4 · Limited · Final report · Sep 29, 2022 · N622MP · Substantial damage
  > A loss of tail rotor effectiveness while hovering in crosswind conditions resulting in the student pilot's loss of control of the helicopter, impact with terrain, and dynamic rollover.
- [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 CEN20CA064](https://openairdocs.org/ntsb/CEN20CA064.md): Guimbal Cabri G2 · Independence, IA · Accident · Serious injuries · Data collection · Final report · Jan 21, 2020 · N715RK · Substantial damage
  > The student pilot's failure to maintain helicopter control while maneuvering to land, which resulted in impact with an airplane and a hangar.
- [NTSB CEN20LA037](https://openairdocs.org/ntsb/CEN20LA037.md): Robinson R22 · Beeville, TX · Accident · No injuries · Class 3 · Limited · Final report · Dec 19, 2019 · N695AP · Substantial damage
  > The solo student pilot's improper cyclic input during takeoff, which resulted in dynamic rollover.
- [NTSB GAA18CA110](https://openairdocs.org/ntsb/GAA18CA110.md): Helicopteres Guimbal Cabri G2 · Cahokia, IL · Accident · Minor injuries · Data collection · Final report · Jan 22, 2018 · N989HH · Substantial damage
  > The student pilot's failure to maintain yaw control while landing in gusting crosswind conditions and the flight instructor's delayed remedial action.
- [NTSB GAA17CA514](https://openairdocs.org/ntsb/GAA17CA514.md): Robinson Helicopter R22 · Sacramento, CA · Accident · No injuries · Data collection · Final report · Aug 29, 2017 · N622MP · Substantial damage
  > The student pilot’s failure to maintain yaw control and the flight instructor’s delayed remedial action.
- [NTSB CEN17LA290](https://openairdocs.org/ntsb/CEN17LA290.md): Helicopteres Guimbal Cabri G2 · Beaumont, TX · Accident · Minor injuries · Limited investigation · Final report · Jul 28, 2017 · N722TX · Substantial damage
  > The flight instructor's low-altitude maneuvering, which exceeded the helicopter's performance capability in the high-density altitude conditions and resulted in a loss of control.
- [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 WPR14LA356](https://openairdocs.org/ntsb/WPR14LA356.md): Robinson Helicopter R22 Beta · Gardnerville, NV · Accident · Serious injuries · Limited investigation · Final report · Aug 27, 2014 · N4187W · Substantial damage
  > The pilot’s failure to monitor the environment and to maintain clearance from wires during takeoff.
- [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 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.
- [NTSB CEN12CA009](https://openairdocs.org/ntsb/CEN12CA009.md): Robinson Helicopter R22 Beta · Hibbing, MN · Accident · No injuries · Data collection · Final report · Oct 4, 2011 · N4170M · Substantial damage
  > The private pilot's failure to maintain control of the helicopter during the landing flare.
- [NTSB WPR11CA467](https://openairdocs.org/ntsb/WPR11CA467.md): Robinson R22 Beta · Douglas, WY · Accident · No injuries · Data collection · Final report · Sep 24, 2011 · N3070S · Substantial damage
  > The pilot's failure to maintain yaw control of the helicopter while hover taxiing in gusty wind conditions.
- [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 ERA09CA155](https://openairdocs.org/ntsb/ERA09CA155.md): Robinson Helicopter R22 Beta · Sevierville, TN · Accident · No injuries · Data collection · Final report · Feb 3, 2009 · N7687H · Substantial damage
  > The flight instructor's improper remedial action following the student pilot's loss of control. Contributing to the accident was the student pilot's loss of control.
- [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 DEN08LA066](https://openairdocs.org/ntsb/DEN08LA066.md): Robinson R22 Beta · Las Vegas, NM · Accident · No injuries · Limited investigation · Final report · Mar 18, 2008 · N3055N · Substantial damage
  > An inadvertent settling with power, and the instructor's failure to maintain control of the helicopter, resulting in a hard landing. Contributing to the accident was the downdraft.

## 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 ('42314')
    AND EXISTS (SELECT 1 FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' e WHERE e.case_mkey = x.case_mkey AND e.aircrafts_position = x.position AND e."isDefiningEvent" AND e."tier2Number" = '240'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb-events/240/cases?engine=42314

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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.