# NTSB investigations: Dynamic rollover

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.

Page 1 of 4 · 161 cases

## 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 ERA26LA304](https://openairdocs.org/ntsb/ERA26LA304.md): Robinson Helicopter R22 Beta · Miramar, FL · Accident · No injuries · Class 4 · Limited · Final report · Aug 15, 2026 · N8316N · Substantial damage
  > The flight instructor’s failure to maintain control of the helicopter during a hover, which resulted in the left skid contacting ground and a subsequent dynamic rollover.
- [NTSB ERA26LA274](https://openairdocs.org/ntsb/ERA26LA274.md): Robinson R22 · Monroe, NC · Accident · No injuries · Class 4 · Limited · Investigation open · Jul 14, 2026 · N30CH · Substantial damage
- [NTSB ANC26LA051](https://openairdocs.org/ntsb/ANC26LA051.md): Robinson R44 · Pembroke Pines, FL · Accident · Minor injuries · Class 3 · Limited · Preliminary report · Jun 13, 2026 · N336SG · Substantial damage
  > On June 13, 2026, about 1318 eastern daylight time, a Robinson R44 Raven I helicopter, N336SG, was substantially damaged when it was involved in an accident at the North Perry Airport (HWO), Hollywood, Florida. The pilot and three passengers sustained minor…
- [NTSB CEN26LA203](https://openairdocs.org/ntsb/CEN26LA203.md): Robinson Helicopter R66 · Fort Worth, TX · Accident · Serious injuries · Class 4 · Limited · Final report · May 27, 2026 · N5488H · Substantial damage
  > The flight instructor’s delayed remedial action and the student pilot’s failure to maintain helicopter control during hover.
- [NTSB WPR26LA188](https://openairdocs.org/ntsb/WPR26LA188.md): Mcdonnell Douglas Helicopter 500 · Twin Falls, ID · Accident · Minor injuries · Class 4 · Limited · Final report · May 14, 2026 · N952SF · Substantial damage
  > The pilot’s failure to maintain control while hovering in gusty wind conditions, resulting in the helicopter rolling onto its side.
- [NTSB WPR26LA146](https://openairdocs.org/ntsb/WPR26LA146.md): Bell Helicopter Textron 206L-1 · Chimney Rock, MT · Accident · No injuries · Class 4 · Limited · Final report · Apr 4, 2026 · N5017G · Substantial damage
  > The pilot’s failure to maintain adequate clearance from the terrain while performing a low altitude circling takeoff maneuver, which resulted in a dynamic rollover.
- [NTSB CEN26LA061](https://openairdocs.org/ntsb/CEN26LA061.md): Bell Textron Canada 505 · Divot, TX · Accident · Serious injuries · Class 3 · Limited · Preliminary report · Dec 13, 2025 · N865S · Substantial damage
  > On December 13, 2025, about 1345 central standard time, a Bell Helicopter 505, N865S, was substantially damaged when it was involved in an accident near Divot, Texas. The pilot was seriously injured and the passenger sustained minor injuries. The helicopter…
- [NTSB ERA25LA359](https://openairdocs.org/ntsb/ERA25LA359.md): Edwin Miller Calidus · Hopkinsville, KY · Accident · No injuries · Class 4 · Limited · Final report · Sep 20, 2025 · N4779M · Substantial damage
  > The pilot’s failure to maintain control of the gyroplane, which resulted in dynamic rollover and impact with terrain.
- [NTSB CEN25LA337](https://openairdocs.org/ntsb/CEN25LA337.md): Bell OH-58A · Caseville, MI · Accident · Minor injuries · Class 4 · Limited · Final report · Aug 23, 2025 · N707EE · Substantial damage
  > The front seat passenger’s inadvertent movement of the cyclic control resulting in a dynamic rollover after landing. Contributing to the accident was the pilot’s decision to leave the dual flight controls installed with a non-pilot passenger in the front seat.
- [NTSB ERA25LA282](https://openairdocs.org/ntsb/ERA25LA282.md): Paul Dennis Berg Exec 162F · Holley, NY · Accident · Minor injuries · Class 4 · Limited · Final report · Jul 30, 2025 · N843WB · Substantial damage
  > The pilot’s failure to maintain clearance with the ground while hovering, which resulted in a dynamic rollover.
- [NTSB CEN25LA167](https://openairdocs.org/ntsb/CEN25LA167.md): Bell Helicopter Textron Canada 505 · Bethany, OK · Accident · Minor injuries · Class 4 · Limited · Final report · Apr 30, 2025 · N9TV · Substantial damage
  > The pilot’s improper landing technique that allowed the helicopter’s right skid to get caught on the landing platform, which resulted in a dynamic rollover.
- [NTSB ERA25LA160](https://openairdocs.org/ntsb/ERA25LA160.md): Rotorway Exec · Chuluota, FL · Accident · No injuries · Class 4 · Limited · Final report · Mar 28, 2025 · N8318A · Substantial damage
  > The pilot’s failure to maintain lateral control of the helicopter during takeoff, which resulted in a dynamic rollover.
- [NTSB WPR25LA118](https://openairdocs.org/ntsb/WPR25LA118.md): Robinson Helicopter R44 II · Hobbs, NM · Accident · Minor injuries · Class 4 · Limited · Final report · Mar 25, 2025 · N7530U · Substantial damage
  > The student pilot’s loss of directional control during a hover, which resulted in an impact with terrain.
- [NTSB CEN25LA123](https://openairdocs.org/ntsb/CEN25LA123.md): Caldwell C W 162F · Mounds, OK · Accident · Minor injuries · Class 4 · Limited · Final report · Mar 13, 2025 · N124CW · Destroyed
  > The student pilot’s failure to maintain control of the helicopter during a precautionary landing, which resulted in a dynamic roll over and postimpact fire.
- [NTSB WPR25LA110](https://openairdocs.org/ntsb/WPR25LA110.md): Robinson Helicopter R44 II · Las Vegas, NV · Accident · Minor injuries · Class 3 · Limited · Final report · Mar 10, 2025 · N44KY · Substantial damage
  > The pilot’s loss of helicopter control after the door opened during takeoff. Contributing to the accident was the pilot’s failure to confirm that the door was properly closed before departure.
- [NTSB GAA25WA145](https://openairdocs.org/ntsb/GAA25WA145.md): Sikorsky S-61N · Sédjè, Benin · Accident · Minor injuries · Class 5 · Foreign · Jan 10, 2025 · N703HG · Substantial damage
- [NTSB CEN25LA067](https://openairdocs.org/ntsb/CEN25LA067.md): Robinson Helicopter R44 · Galveston, TX · Accident · No injuries · Class 4 · Limited · Final report · Dec 31, 2024 · N441HQ · Substantial damage
  > The pilot’s failure to maintain terrain clearance during the takeoff from the helipad in high and gusting wind conditions, that resulted in the right skid extension embedding in the artificial turf, and a subsequent dynamic rollover sequence.
- [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 ERA25LA034](https://openairdocs.org/ntsb/ERA25LA034.md): Hunt Exec 162F · North East, PA · Accident · No injuries · Class 4 · Limited · Final report · Oct 17, 2024 · N162AP · Substantial damage
  > The pilot’s failure to maintain control of the helicopter during landing following an encounter with an unanticipated wind gust, which resulted in a dynamic rollover.
- [NTSB CEN24FA325](https://openairdocs.org/ntsb/CEN24FA325.md): Arrow Falcon Exporters OH-58A+ · Newton, TX · Accident · 1 fatal · Class 3 · Field · Preliminary report · Aug 23, 2024 · N199BD · Substantial damage
  > On August 23, 2024, about 1330 central daylight time, a restricted category Arrow Falcon Exporters OH-58A helicopter, N199BD was substantially damaged when it was involved in an accident near Newton, Texas. The pilot was fatally injured and one person on the…
- [NTSB WPR24LA251](https://openairdocs.org/ntsb/WPR24LA251.md): Robinson Helicopter R44 · Carlsbad, CA · Accident · Minor injuries · Class 4 · Limited · Final report · Jul 18, 2024 · N886JB · Substantial damage
  > The pilot’s failure to maintain lateral control of the helicopter while departing with a crosswind, which resulted in a dynamic rollover.
- [NTSB WPR24LA247](https://openairdocs.org/ntsb/WPR24LA247.md): Bell 407 · Stanley, ID · Accident · Minor injuries · Class 4 · Limited · Final report · Jul 11, 2024 · N21BH · Substantial damage
  > A sudden wind shift which resulted in a rapid descent and subsequent dynamic rollover and collision into water.
- [NTSB WPR24LA239](https://openairdocs.org/ntsb/WPR24LA239.md): Mcdonnell Douglas Helicopter 369 · Mesa, AZ · Accident · No injuries · Class 4 · Limited · Final report · Jul 9, 2024 · N540HH · Substantial damage
  > The pilot receiving instruction’s failure to maintain helicopter control during autorotation, which resulted in a dynamic rollover. Contributing to the accident was the delayed remedial action from the flight instructor.
- [NTSB WPR24LA139](https://openairdocs.org/ntsb/WPR24LA139.md): Robinson Helicopter R22 Beta · Olympia, WA · Accident · Minor injuries · Class 3 · Limited · Final report · May 3, 2024 · N4082J · Substantial damage
  > The flight instructor’s delayed action to arrest the descending, left pedal turn while maneuvering for a low-altitude hover with the helicopter near the maximum gross weight limitation, which resulted in an impact with the ground and a dynamic rollover.
- [NTSB ANC24LA012](https://openairdocs.org/ntsb/ANC24LA012.md): Mcdonnell Douglas Helicopter 369E · Waialua, HI · Accident · No injuries · Class 4 · Limited · Final report · Jan 25, 2024 · N545PH · Substantial damage
  > The pilot's inability to maintain directional control after a skid got caught on a fence while he was maneuvering the helicopter for takeoff, which resulted in a dynamic roll-over.
- [NTSB ANC24LA009](https://openairdocs.org/ntsb/ANC24LA009.md): Airbus Helicopters AS350B3 · Palmer, AK · Accident · Minor injuries · Class 4 · Limited · Final report · Dec 26, 2023 · N21FY · Substantial damage
  > The pilot's failure to maintain clearance from snow-covered terrain during the landing approach in flat light conditions.
- [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 WPR23LA214](https://openairdocs.org/ntsb/WPR23LA214.md): Bell 206B · Filer, ID · Accident · Minor injuries · Class 4 · Limited · Final report · Jun 3, 2023 · N205PA · Substantial damage
  > The pilot’s improper anti-torque pedal inputs during takeoff, which resulted in a loss of helicopter control during takeoff and subsequent dynamic rollover.
- [NTSB ERA23LA251](https://openairdocs.org/ntsb/ERA23LA251.md): Magniflight M24 Orion Plus · Dauphin Island, AL · Accident · No injuries · Class 3 · Limited · Final report · May 30, 2023 · N1777W · Substantial damage
  > A partial loss of engine power due to a loss of combustion in the No. 4 cylinder for undetermined reasons.
- [NTSB ERA23LA172](https://openairdocs.org/ntsb/ERA23LA172.md): Helicopteres Guimbal Cabri G2 · Clarksville, TN · Accident · Minor injuries · Class 4 · Limited · Final report · Mar 29, 2023 · N242JL · Substantial damage
  > The flight instructor’s inadequate remedial action following an abrupt control input by the student pilot, which resulted in abnormal contact with the ground and a dynamic rollover.
- [NTSB ERA23LA114](https://openairdocs.org/ntsb/ERA23LA114.md): Degraw Richard R Summit 23 · Wauchula, FL · Accident · Minor injuries · Class 4 · Limited · Final report · Jan 20, 2023 · N40DG · Substantial damage
  > The pilot’s improper landing flare, which resulted in a hard landing and dynamic rollover.
- [NTSB CEN23FA071](https://openairdocs.org/ntsb/CEN23FA071.md): Bell 407 · Galliano, LA · Accident · 4 fatal · Class 3 · Field · Final report · Dec 29, 2022 · N595RL · Substantial damage
  > The pilot’s failure to ensure the helicopter was clear of obstacles before takeoff from the helideck, which resulted in the helicopter’s right landing skid pivoting about a helideck perimeter light during takeoff and a dynamic rollover. Additionally, the…
- [NTSB CEN23LA064](https://openairdocs.org/ntsb/CEN23LA064.md): Bell 206-L4 · Gulf of Mexico (Gulf of Mexico) · Accident · Minor injuries · Class 3 · Limited · Final report · Dec 15, 2022 · N414RL · Substantial damage
  > The pilot’s improper takeoff technique that allowed the helicopter skid to drift into a helideck light, resulting in a dynamic rollover.
- [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 ERA23LA073](https://openairdocs.org/ntsb/ERA23LA073.md): Childs Michael A Rotorway Exec 162-F · Titusville, FL · Accident · No injuries · Class 3 · Limited · Final report · Nov 27, 2022 · N8006A · Substantial damage
  > A failure of the No. 4 exhaust valve spring retainer, which resulted in a partial loss of engine power.
- [NTSB WPR23LA009](https://openairdocs.org/ntsb/WPR23LA009.md): Bell Helicopter Textron Canada 505 · Moab, UT · Accident · Serious injuries · Class 4 · Limited · Final report · Oct 8, 2022 · N874BB · Substantial damage
  > The pilot’s loss of helicopter control during landing, that resulted in a dynamic roll over.
- [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 ERA22LA357](https://openairdocs.org/ntsb/ERA22LA357.md): Robinson Helicopter R44 · Leghighton, PA · Accident · Serious injuries · Class 4 · Limited · Final report · Aug 3, 2022 · N45CA · Substantial damage
  > The pilot’s improper recovery from a bounced landing on a slope, which resulted in dynamic rollover.
- [NTSB ERA22LA328](https://openairdocs.org/ntsb/ERA22LA328.md): Robinson Helicopter R22 Beta · Orlando, FL · Accident · No injuries · Class 4 · Limited · Final report · Jul 17, 2022 · N224MG · Substantial damage
  > The flight instructor’s inadequate remedial actions following the student pilot’s improper control inputs, which resulted in dynamic rollover.
- [NTSB WPR22LA220](https://openairdocs.org/ntsb/WPR22LA220.md): Robinson Helicopter R44 II · Auburn, WA · Accident · Minor injuries · Class 4 · Limited · Final report · Jun 18, 2022 · N944BC · Substantial damage
  > The student pilot’s loss of helicopter control and the flight instructor’s delayed remedial action while providing hover training which resulted in a dynamic rollover.
- [NTSB CEN22LA219](https://openairdocs.org/ntsb/CEN22LA219.md): Bell 206B · Cameron, TX · Accident · Minor injuries · Class 4 · Limited · Final report · May 31, 2022 · N27574 · Substantial damage
  > The flight crew not maintaining lateral control of the helicopter during hovering operation which resulted in a dynamic rollover.
- [NTSB ERA22LA236](https://openairdocs.org/ntsb/ERA22LA236.md): Robinson Helicopter R44 II · Nashua, NH · Accident · Minor injuries · Class 4 · Limited · Final report · May 23, 2022 · N666U · Substantial damage
  > The flight instructor’s failure to maintain control of the helicopter during the takeoff, which resulted in a dynamic rollover.
- [NTSB WPR22LA157](https://openairdocs.org/ntsb/WPR22LA157.md): Robinson Helicopter R44 II · Salt Lake City, UT · Accident · No injuries · Class 4 · Limited · Final report · Apr 16, 2022 · N3297Q · Substantial damage
  > The student pilot’s failure to maintain lateral control and terrain clearance while hovering, and the flight instructor’s delayed remedial action which resulted in a dynamic rollover.
- [NTSB WPR22LA146](https://openairdocs.org/ntsb/WPR22LA146.md): Robinson Helicopter R22 · Phoenix, AZ · Accident · No injuries · Class 4 · Limited · Final report · Apr 7, 2022 · N19VH · Substantial damage
  > The pilot’s failure to maintain helicopter control while on the ground when his attention was diverted, which resulted in a dynamic rollover.
- [NTSB CEN22LA158](https://openairdocs.org/ntsb/CEN22LA158.md): Robinson Helicopter R22 Beta · Garnett, KS · Accident · No injuries · Class 4 · Limited · Final report · Mar 26, 2022 · N7087X · Substantial damage
  > The pilot’s failure to maintain lateral control while hovering which resulted in a dynamic rollover.
- [NTSB ERA22LA140](https://openairdocs.org/ntsb/ERA22LA140.md): Robinson Helicopter R22 · Fallston, MD · Accident · Minor injuries · Class 4 · Limited · Final report · Mar 1, 2022 · N786SH · Substantial damage
  > The student pilot's unstabilized hover, which resulted in ground contact and a dynamic rollover. Contributing to the accident was the flight instructor's inadequate supervision of the student and his delayed remedial action.
- [NTSB ERA22LA135](https://openairdocs.org/ntsb/ERA22LA135.md): Robinson Helicopter R44 II · White Plains, NY · Accident · No injuries · Class 4 · Limited · Final report · Feb 17, 2022 · N929WA · Substantial damage
  > The pilot’s failure to maintain stabilized lateral control during landing in gusty conditions which resulted in a dynamic rollover when the skids contacted the platform unevenly.
- [NTSB CEN21LA432](https://openairdocs.org/ntsb/CEN21LA432.md): Bell 206L-3 · Berlin, IL · Accident · No injuries · Class 4 · Limited · Final report · Jul 9, 2021 · N170AM · Substantial damage
  > The pilot’s failure to maintain control of the helicopter with a stuck skid, which resulted in a dynamic rollover.
- [NTSB CEN21LA135](https://openairdocs.org/ntsb/CEN21LA135.md): Bell OH-58 · Greensburg, LA · Accident · Minor injuries · Class 4 · Limited · Final report · Feb 22, 2021 · N902LP · Substantial damage
  > The pilot’s failure to maintain lateral control and terrain clearance while hovering, which resulted in a dynamic rollover.

Next page: https://openairdocs.org/ntsb-events/231/sequence.md?page=2

## 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 s.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' s WHERE s."tier2Number" = '231' AND s.case_mkey IN (SELECT case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' WHERE "isDefiningEvent"))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb-events/231/sequence

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