# 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 3 · 102 cases

## Latest cases

- [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 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 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 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 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 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 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 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 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 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 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 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.
- [NTSB CEN21LA124](https://openairdocs.org/ntsb/CEN21LA124.md): Hiller UH12C · Lafayette, IN · Accident · No injuries · Class 4 · Limited · Final report · Jan 12, 2021 · N552DR · Substantial damage
  > The pilot’s failure to maintain control of the helicopter shortly after liftoff into a hover, which resulted in a dynamic rollover when the left landing skid contacted the ground.
- [NTSB ERA21LA046](https://openairdocs.org/ntsb/ERA21LA046.md): Robinson R44 · Austell, GA · Accident · No injuries · Class 4 · Limited · Final report · Nov 18, 2020 · N442JP · Substantial damage
  > The flight instructor’s failure to maintain adequate clearance above the gravel surface in a hover, which resulted in a dynamic rollover.
- [NTSB CEN21LA081](https://openairdocs.org/ntsb/CEN21LA081.md): Schweizer 269C · Rhame, ND · Accident · No injuries · Class 4 · Limited · Final report · Nov 7, 2020 · N2081G · Substantial damage
  > The pilot landed the helicopter on unsuitable terrain, which resulted in a rollover.
- [NTSB CEN21LA021](https://openairdocs.org/ntsb/CEN21LA021.md): Robinson Helicopter R44 II · Washington, WI · Accident · No injuries · Class 4 · Limited · Final report · Oct 18, 2020 · N31136 · Substantial damage
  > The pilot’s failure to maintain lateral control during a hover and improper recovery action after the helicopter contacted the ground, which resulted in a dynamic rollover sequence and an impact with terrain.
- [NTSB CEN20CA180](https://openairdocs.org/ntsb/CEN20CA180.md): Rotorway Exec · Rochester, IN · Accident · Minor injuries · Class 4 · Data collection · Final report · May 16, 2020 · N311RM · Substantial damage
  > The pilot's failure to maintain control of the helicopter during lift off. Contributing to the accident was the pilot's lack of recent experience flying a helicopter.
- [NTSB CEN20CA090](https://openairdocs.org/ntsb/CEN20CA090.md): Robinson R22 · Cotulla, TX · Accident · No injuries · Data collection · Final report · Feb 18, 2020 · N10786 · Substantial damage
  > The pilot's failure to remove the right skid trailer tie-down before attempting to take off, which resulted in a dynamic roll-over.
- [NTSB WPR20CA059](https://openairdocs.org/ntsb/WPR20CA059.md): Sud SE 3130 Alouette II · Mokelumne Hills, CA · Accident · No injuries · Data collection · Final report · Jan 4, 2020 · N92785 · Substantial damage
  > The pilot's failure to maintain adequate clearance from terrain during a hover-taxi, which resulted in the helicopter's skid contacting grass and a subsequent dynamic roll-over.
- [NTSB GAA20CA060](https://openairdocs.org/ntsb/GAA20CA060.md): Robinson R22 · Smoketown, PA · Accident · No injuries · Data collection · Final report · Nov 4, 2019 · N8560A · Substantial damage
  > The student pilot's improper cyclic input while hovering and the flight instructor's delayed remedial action, which resulted in a dynamic rollover.
- [NTSB ERA20LA004](https://openairdocs.org/ntsb/ERA20LA004.md): Bell OH 58A · Fort Meade, FL · Accident · No injuries · Class 3 · Limited · Final report · Oct 3, 2019 · N911RW · Substantial damage
  > The pilot's failure to maintain control of the helicopter, which resulted in a dynamic rollover and impact with terrain.
- [NTSB GAA19CA519](https://openairdocs.org/ntsb/GAA19CA519.md): Bell 206 · San Diego, CA · Accident · No injuries · Data collection · Final report · Aug 27, 2019 · N218GH · Substantial damage
  > The pilot's failure to maintain yaw and pitch control while repositioning the helicopter, which resulted in dynamic rollover.
- [NTSB GAA19CA347](https://openairdocs.org/ntsb/GAA19CA347.md): Robinson R22 · San Antonio, TX · Accident · Minor injuries · Data collection · Final report · Jun 15, 2019 · N511HE · Substantial damage
  > The pilot receiving instruction's improper cyclic control input during landing, which resulted in a dynamic rollover, and the flight instructor's improper decision to practice landings in tall grass in gusting wind conditions.
- [NTSB ERA19CA147](https://openairdocs.org/ntsb/ERA19CA147.md): Gaskins Safari 400 · Gallatin, TN · Accident · Minor injuries · Data collection · Final report · Apr 10, 2019 · N104CV · Substantial damage
  > The pilot/owner's improper decision to make a right turn instead of terminating the approach to a hover and his subsequent loss of helicopter control while attempting to land on sloping terrain, which resulted in a roll-over.
- [NTSB CEN19LA068](https://openairdocs.org/ntsb/CEN19LA068.md): Aerospatiale AS350 · Ponca City, OK · Accident · No injuries · Limited investigation · Final report · Jan 11, 2019 · N346AE · Substantial damage
  > The pilot's failure to maintain altitude during the hover operation while his view was obstructed due to the fogged-over windshield.
- [NTSB ERA19FA035](https://openairdocs.org/ntsb/ERA19FA035.md): Aerospatiale AS 355F2 · Beekmantown, NY · Accident · 2 fatal · Field investigation · Final report · Oct 30, 2018 · N372CA · Destroyed
  > The pilot's failure to keep the helicopter clear of a utility pole while hovering with a tailwind, which resulted in a dynamic rollover into active power lines.
- [NTSB ANC18CA056](https://openairdocs.org/ntsb/ANC18CA056.md): Eurocopter AS 350 B3 · Kobuk, AK · Accident · Minor injuries · Class 4 · Data collection · Final report · Jul 25, 2018 · N354LA · Substantial damage
  > The pilot's inadvertent dynamic rollover during takeoff.
- [NTSB ERA18LA170](https://openairdocs.org/ntsb/ERA18LA170.md): Bell OH 58A · Raleigh, NC · Accident · Minor injuries · Limited investigation · Final report · Jun 19, 2018 · N303HP · Substantial damage
  > The pilot's inadequate preflight inspection, during which he failed to detach ground handling equipment from the helicopter before initiating the takeoff, which resulted in the subsequent dynamic rollover.

Next page: https://openairdocs.org/ntsb-events/231/cases.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 e.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' e WHERE e."isDefiningEvent" AND e."tier2Number" = '231')
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

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

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