# NTSB investigations: Lycoming O-360 series: 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 CEN26LA027](https://openairdocs.org/ntsb/CEN26LA027.md): Robinson Helicopter R22 · Springfield, MO · Accident · Serious injuries · Class 3 · Limited · Final report · Oct 21, 2025 · N74583 · Substantial damage
  > The pilot’s failure to maintain directional control and the flight instructor’s lack of proper remedial action during the practice autorotation that resulted in the helicopter impacting terrain. Contributing to the accident was the presence of the gusting…
- [NTSB CEN25LA031](https://openairdocs.org/ntsb/CEN25LA031.md): Robinson Helicopter R22 Beta · Pearland, TX · Accident · Minor injuries · Class 3 · Limited · Final report · Oct 27, 2024 · N7521Z · Substantial damage
  > The pilot’s failure to maintain control of the helicopter during lift off.
- [NTSB ERA24LA028](https://openairdocs.org/ntsb/ERA24LA028.md): Robinson Helicopter R22 Beta · Ronkonkoma, NY · Accident · No injuries · Class 4 · Limited · Final report · Oct 28, 2023 · N964SH · Substantial damage
  > The student pilot’s abrupt control input and the flight instructor’s inadequate remedial action, which resulted in a dynamic rollover.
- [NTSB WPR23LA265](https://openairdocs.org/ntsb/WPR23LA265.md): Robinson Helicopter R22 Beta · Emmett, ID · Accident · Minor injuries · Class 4 · Limited · Final report · Jul 8, 2023 · N74778 · Substantial damage
  > The instructor’s failure to maintain airspeed during a simulated turning autorotation, which resulted in a hard landing.
- [NTSB CEN23LA245](https://openairdocs.org/ntsb/CEN23LA245.md): Robinson Helicopter R22 Beta · Louise, TX · Accident · Minor injuries · Class 4 · Limited · Final report · Jun 18, 2023 · N932SH · Substantial damage
  > The pilot’s failure to maintain directional control in gusting wind conditions.
- [NTSB WPR22FA254](https://openairdocs.org/ntsb/WPR22FA254.md): Stucky Steven D RV-7 · Topeka, KS · Accident · 1 fatal · Class 3 · Field · Final report · Jul 16, 2022 · N283S · Substantial damage
  > The pilot’s failure to maintain aircraft control while performing an aerobatic maneuver on takeoff, which resulted in exceedance of the airplane’s critical angle of attack, a subsequent aerodynamic stall, and impact with terrain. Contributing to the accident…
- [NTSB ERA22LA228](https://openairdocs.org/ntsb/ERA22LA228.md): Cessna 172M · Lancaster, NY · Accident · No injuries · Class 4 · Limited · Final report · May 14, 2022 · N20459 · Substantial damage
  > The student pilot’s excessive pitch during takeoff resulted in a loss of control and impact with terrain. Contributing was the student’s failure to relinquish the controls when ordered by the instructor.
- [NTSB ANC22FA030](https://openairdocs.org/ntsb/ANC22FA030.md): Robinson Helicopter R22 Beta · Gila Bend, AZ · Accident · 1 fatal · Class 3 · Field · Final report · Apr 15, 2022 · N7516G · Substantial damage
  > The student pilot’s failure to maintain control during the landing approach.
- [NTSB CEN20LA400](https://openairdocs.org/ntsb/CEN20LA400.md): Safari S · Red Bud, IL · Accident · 1 fatal · Class 3 · Limited · Final report · Sep 19, 2020 · N60WD · Destroyed
  > A loss of control for reasons that could not be determined.
- [NTSB WPR19TA131](https://openairdocs.org/ntsb/WPR19TA131.md): Robinson R22 · Lincoln Park, NJ · Accident · No injuries · Class 3 · Final report · May 2, 2019 · N7532R · Substantial damage
  > The flight instructor's failure to maintain control of the helicopter while transitioning from a hover to forward flight, which resulted in a loss of control.
- [NTSB CEN18FA244](https://openairdocs.org/ntsb/CEN18FA244.md): Robinson R22 · Sterling City, TX · Accident · 1 fatal · Field investigation · Final report · Jun 30, 2018 · N787SH · Destroyed
  > A loss of control during the landing approach for reasons that could not be determined based on the available information.
- [NTSB WPR18LA130](https://openairdocs.org/ntsb/WPR18LA130.md): Robinson Helicopter R22 Beta · Portland, OR · Accident · Serious injuries · Class 3 · Limited · Final report · May 2, 2018 · N7526S · Substantial damage
  > A hard landing for reasons that could not be determined based on the available information.
- [NTSB GAA18CA193](https://openairdocs.org/ntsb/GAA18CA193.md): Piper PA28 · Phoenix, AZ · Accident · No injuries · Data collection · Final report · Apr 1, 2018 · N297PA · Substantial damage
  > The student pilot’s improper selection of the flap setting during a go-around, and the flight instructor’s delayed remedial action, which resulted in an aerodynamic stall.
- [NTSB GAA17CA166](https://openairdocs.org/ntsb/GAA17CA166.md): Piper PA28 · Phoenix, AZ · Accident · No injuries · Data collection · Final report · Feb 27, 2017 · N309PA · Substantial damage
  > The flight instructor’s incorrect control inputs while taking off with a known quartering tailwind, which resulted in a loss of directional control and runway excursion.
- [NTSB ERA17CA101](https://openairdocs.org/ntsb/ERA17CA101.md): Robinson R22 · West Palm Beach, FL · Accident · No injuries · Data collection · Final report · Feb 6, 2017 · N7685H · Substantial damage
  > The flight instructor’s failure to maintain helicopter control while demonstrating low rotor rpm operations from a hover.
- [NTSB ERA17CA099](https://openairdocs.org/ntsb/ERA17CA099.md): Robinson Helicopter R22 · Fallston, MD · Accident · No injuries · Data collection · Final report · Feb 4, 2017 · N7518G · Substantial damage
  > The student pilot's failure to relinquish the flight controls to the flight instructor, which resulted in a collision with terrain.
- [NTSB ERA16FA238](https://openairdocs.org/ntsb/ERA16FA238.md): Gerdts Mark E RV7A · Weston, FL · Accident · 1 fatal · Field investigation · Final report · Jul 3, 2016 · N1075F · Destroyed
  > The pilot's loss of airplane control for reasons that could not be determined based on the available evidence.
- [NTSB GAA15CA233](https://openairdocs.org/ntsb/GAA15CA233.md): Robinson Helicopter R22 · Prescott, AZ · Accident · No injuries · Data collection · Final report · Aug 18, 2015 · N5VH · Substantial damage
  > The flight instructor's decision to turn the helicopter downwind during a hover taxi which resulted in an uncontrolled descent and impact with terrain.
- [NTSB CEN14LA471](https://openairdocs.org/ntsb/CEN14LA471.md): Boring Robert Burton RV6A · Las Cruces, NM · Accident · Serious injuries · Limited investigation · Final report · Sep 1, 2014 · N613LE · Substantial damage
  > The pilot’s failure to maintain adequate airspeed, which led to the airplane exceeding its critical angle-of-attack and experiencing a stall/spin.
- [NTSB CEN14LA313](https://openairdocs.org/ntsb/CEN14LA313.md): Robinson R22 - Beta · Moscow Mills, MO · Accident · Minor injuries · Limited investigation · Final report · Jun 19, 2014 · N784SH · Substantial damage
  > The flight instructor’s delayed remedial action to correct the student pilot’s use of an excessive descent rate during a practice autorotation, which resulted in a hard landing.
- [NTSB WPR13LA315](https://openairdocs.org/ntsb/WPR13LA315.md): Robinson Helicopter R22 · Alta, UT · Accident · Minor injuries · Limited investigation · Final report · Jul 8, 2013 · N712U · Destroyed
  > The flight instructor's decision to follow a route over mountainous terrain in conditions that exceeded the helicopter’s ability to maintain terrain clearance.
- [NTSB CEN11CA550](https://openairdocs.org/ntsb/CEN11CA550.md): Attaway Robert H RV6A · Colorado Springs, CO · Accident · Serious injuries · Data collection · Final report · Aug 5, 2011 · N675RE · Substantial damage
  > The pilot's failure to maintain control while landing.
- [NTSB CEN11CA351](https://openairdocs.org/ntsb/CEN11CA351.md): Robinson Helicopter R22 Beta · Lansing, IL · Accident · No injuries · Data collection · Final report · May 20, 2011 · N7197Z · Substantial damage
  > The student pilot’s failure to maintain control of the helicopter while hovering.
- [NTSB ERA11CA235](https://openairdocs.org/ntsb/ERA11CA235.md): Robinson R22 · Marlboro, MA · Accident · No injuries · Data collection · Final report · Apr 10, 2011 · N791SH · Substantial damage
  > The student pilot's failure to maintain directional control during takeoff.
- [NTSB CEN10FA557](https://openairdocs.org/ntsb/CEN10FA557.md): Piper PA-44-180 · Woodruff, WI · Accident · 2 fatal · Field investigation · Final report · Sep 24, 2010 · N570ER · Destroyed
  > The pilot's decision to attempt an instrument approach in turbulent night instrument meteorological conditions with a recently-identified deficiency with his instrument flight proficiency, which resulted in a loss of airplane control as a result of spatial…
- [NTSB ANC10CA075](https://openairdocs.org/ntsb/ANC10CA075.md): American Champion 8GCBC · Talkeetna, AK · Accident · No injuries · Data collection · Final report · Aug 20, 2010 · N63AK · Substantial damage
  > The pilot’s failure to maintain aircraft control during an off airport landing.
- [NTSB WPR10LA138](https://openairdocs.org/ntsb/WPR10LA138.md): Robinson Helicopter R22 Beta · Parlier, CA · Accident · No injuries · Limited investigation · Final report · Feb 17, 2010 · N313DA · Substantial damage
  > The pilot inadvertently entered a low-G condition during cruise flight, which resulted in a momentary loss of control of the helicopter and mast bumping.
- [NTSB ERA09CA401](https://openairdocs.org/ntsb/ERA09CA401.md): Robinson Helicopter R22 Beta · Bedford, MA · Accident · Minor injuries · Data collection · Final report · Jul 13, 2009 · N211SH · Substantial damage
  > The flight instructor's inadequate remedial action while conducting hover practice with a student pilot, which resulted in the helicopter rolling over when it contacted the ground.
- [NTSB ERA09CA322](https://openairdocs.org/ntsb/ERA09CA322.md): Piper PA-28-181 · Caldwell, NJ · Accident · No injuries · Data collection · Final report · May 31, 2009 · N811SA · Substantial damage
  > The pilot’s failure to maintain directional control of the airplane during landing. Contributing to the accident was the pilot’s failure to ensure that he could operate the rudder pedals without interference.
- [NTSB CEN09CA157](https://openairdocs.org/ntsb/CEN09CA157.md): Robinson Helicopter R22 Beta · Cypress, TX · Accident · No injuries · Data collection · Final report · Feb 6, 2009 · N234LA · Substantial damage
  > The student pilot's failure to maintain adequate main rotor rpm and the instructor's delayed remedial action.
- [NTSB DEN08CA164](https://openairdocs.org/ntsb/DEN08CA164.md): Bice David E Bearhawk · Double Eagle Airport, NM · Accident · No injuries · Data collection · Final report · Sep 27, 2008 · N1685 · Substantial damage
  > The pilot flared high and failed to maintain directional control. Contributing to the accident were the pilot's unfamiliarity with the airplane and the crosswind.
- [NTSB DFW08CA075](https://openairdocs.org/ntsb/DFW08CA075.md): Robinson R-22 · Meraux, LA · Accident · No injuries · Data collection · Final report · Mar 4, 2008 · N120KC · Substantial damage
  > The pilot's failure to ensure calculate weight and balance prior to flight. A contributing factor was the prevailing gusty winds.

## 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 ('41575')
    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=41575

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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.