NTSB investigations
102 cases where the defining event was Dynamic rollover.
Cases per year
| 2008 | 1 |
|---|---|
| 2009 | 5 |
| 2010 | 8 |
| 2011 | 7 |
| 2012 | 6 |
| 2013 | 1 |
| 2014 | 8 |
| 2015 | 1 |
| 2016 | 4 |
| 2017 | 10 |
| 2018 | 4 |
| 2019 | 6 |
| 2020 | 6 |
| 2021 | 3 |
| 2022 | 11 |
| 2023 | 2 |
| 2024 | 6 |
| 2025 | 7 |
| 2026 | 6 |
Where
Open the mapLatest cases
Query with SQL
duckdb -csv -c "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"
Prints the whole list as CSV. It reads the release’s Parquet files over HTTPS, so there’s nothing to download first. Install DuckDB to run it.
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
Run it at the DuckDB prompt, or in any tool that reads Parquet over HTTPS. More ways to query the release are on Use the data.
NTSB ERA26LA304Accident · No injuriesClass 4 · LimitedFinal reportRobinson Helicopter R22 Beta · Miramar, FLThe 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 ERA26LA274Accident · No injuriesClass 4 · LimitedInvestigation openRobinson R22 · Monroe, NCNTSB ANC26LA051Accident · Minor injuriesClass 3 · LimitedPreliminary reportRobinson R44 · Pembroke Pines, FLOn 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 CEN26LA203Accident · Serious injuriesClass 4 · LimitedFinal reportRobinson Helicopter R66 · Fort Worth, TXThe flight instructor’s delayed remedial action and the student pilot’s failure to maintain helicopter control during hover.NTSB WPR26LA188Accident · Minor injuriesClass 4 · LimitedFinal reportMcdonnell Douglas Helicopter 500 · Twin Falls, IDThe pilot’s failure to maintain control while hovering in gusty wind conditions, resulting in the helicopter rolling onto its side.NTSB WPR26LA146Accident · No injuriesClass 4 · LimitedFinal reportBell Helicopter Textron 206L-1 · Chimney Rock, MTThe 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 CEN25LA337Accident · Minor injuriesClass 4 · LimitedFinal reportBell OH-58A · Caseville, MIThe 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 ERA25LA282Accident · Minor injuriesClass 4 · LimitedFinal reportPaul Dennis Berg Exec 162F · Holley, NYThe pilot’s failure to maintain clearance with the ground while hovering, which resulted in a dynamic rollover.NTSB CEN25LA167Accident · Minor injuriesClass 4 · LimitedFinal reportBell Helicopter Textron Canada 505 · Bethany, OKThe 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 ERA25LA160Accident · No injuriesClass 4 · LimitedFinal reportRotorway Exec · Chuluota, FLThe pilot’s failure to maintain lateral control of the helicopter during takeoff, which resulted in a dynamic rollover.NTSB WPR25LA118Accident · Minor injuriesClass 4 · LimitedFinal reportRobinson Helicopter R44 II · Hobbs, NMThe student pilot’s loss of directional control during a hover, which resulted in an impact with terrain.NTSB CEN25LA123Accident · Minor injuriesClass 4 · LimitedFinal reportCaldwell C W 162F · Mounds, OKThe 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 GAA25WA145Accident · Minor injuriesClass 5 · ForeignSikorsky S-61N · Sédjè, BeninNTSB CEN25LA067Accident · No injuriesClass 4 · LimitedFinal reportRobinson Helicopter R44 · Galveston, TXThe 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 ERA25LA034Accident · No injuriesClass 4 · LimitedFinal reportHunt Exec 162F · North East, PAThe 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 CEN24FA325Accident · 1 fatalClass 3 · FieldPreliminary reportArrow Falcon Exporters OH-58A+ · Newton, TXOn 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 WPR24LA251Accident · Minor injuriesClass 4 · LimitedFinal reportRobinson Helicopter R44 · Carlsbad, CAThe pilot’s failure to maintain lateral control of the helicopter while departing with a crosswind, which resulted in a dynamic rollover.NTSB WPR24LA239Accident · No injuriesClass 4 · LimitedFinal reportMcdonnell Douglas Helicopter 369 · Mesa, AZThe 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 ANC24LA012Accident · No injuriesClass 4 · LimitedFinal reportMcdonnell Douglas Helicopter 369E · Waialua, HIThe 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 ANC24LA009Accident · Minor injuriesClass 4 · LimitedFinal reportAirbus Helicopters AS350B3 · Palmer, AKThe pilot's failure to maintain clearance from snow-covered terrain during the landing approach in flat light conditions.NTSB ERA23LA172Accident · Minor injuriesClass 4 · LimitedFinal reportHelicopteres Guimbal Cabri G2 · Clarksville, TNThe 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 CEN23FA071Accident · 4 fatalClass 3 · FieldFinal reportBell 407 · Galliano, LAThe 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 CEN23LA064Accident · Minor injuriesClass 3 · LimitedFinal reportBell 206-L4 · Gulf of Mexico (Gulf of Mexico)The pilot’s improper takeoff technique that allowed the helicopter skid to drift into a helideck light, resulting in a dynamic rollover.NTSB WPR23LA009Accident · Serious injuriesClass 4 · LimitedFinal reportBell Helicopter Textron Canada 505 · Moab, UTThe pilot’s loss of helicopter control during landing, that resulted in a dynamic roll over.NTSB ERA22LA357Accident · Serious injuriesClass 4 · LimitedFinal reportRobinson Helicopter R44 · Leghighton, PAThe pilot’s improper recovery from a bounced landing on a slope, which resulted in dynamic rollover.NTSB ERA22LA328Accident · No injuriesClass 4 · LimitedFinal reportRobinson Helicopter R22 Beta · Orlando, FLThe flight instructor’s inadequate remedial actions following the student pilot’s improper control inputs, which resulted in dynamic rollover.NTSB CEN22LA219Accident · Minor injuriesClass 4 · LimitedFinal reportBell 206B · Cameron, TXThe flight crew not maintaining lateral control of the helicopter during hovering operation which resulted in a dynamic rollover.NTSB WPR22LA157Accident · No injuriesClass 4 · LimitedFinal reportRobinson Helicopter R44 II · Salt Lake City, UTThe 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 WPR22LA146Accident · No injuriesClass 4 · LimitedFinal reportRobinson Helicopter R22 · Phoenix, AZThe pilot’s failure to maintain helicopter control while on the ground when his attention was diverted, which resulted in a dynamic rollover.NTSB CEN22LA158Accident · No injuriesClass 4 · LimitedFinal reportRobinson Helicopter R22 Beta · Garnett, KSThe pilot’s failure to maintain lateral control while hovering which resulted in a dynamic rollover.NTSB ERA22LA140Accident · Minor injuriesClass 4 · LimitedFinal reportRobinson Helicopter R22 · Fallston, MDThe 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 ERA22LA135Accident · No injuriesClass 4 · LimitedFinal reportRobinson Helicopter R44 II · White Plains, NYThe 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 CEN21LA432Accident · No injuriesClass 4 · LimitedFinal reportBell 206L-3 · Berlin, ILThe pilot’s failure to maintain control of the helicopter with a stuck skid, which resulted in a dynamic rollover.NTSB CEN21LA135Accident · Minor injuriesClass 4 · LimitedFinal reportBell OH-58 · Greensburg, LAThe pilot’s failure to maintain lateral control and terrain clearance while hovering, which resulted in a dynamic rollover.NTSB CEN21LA124Accident · No injuriesClass 4 · LimitedFinal reportHiller UH12C · Lafayette, INThe 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 ERA21LA046Accident · No injuriesClass 4 · LimitedFinal reportRobinson R44 · Austell, GAThe flight instructor’s failure to maintain adequate clearance above the gravel surface in a hover, which resulted in a dynamic rollover.NTSB CEN21LA081Accident · No injuriesClass 4 · LimitedFinal reportSchweizer 269C · Rhame, NDThe pilot landed the helicopter on unsuitable terrain, which resulted in a rollover.NTSB CEN21LA021Accident · No injuriesClass 4 · LimitedFinal reportRobinson Helicopter R44 II · Washington, WIThe 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 CEN20CA180Accident · Minor injuriesClass 4 · Data collectionFinal reportRotorway Exec · Rochester, INThe 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 CEN20CA090Accident · No injuriesData collectionFinal reportRobinson R22 · Cotulla, TXThe pilot's failure to remove the right skid trailer tie-down before attempting to take off, which resulted in a dynamic roll-over.NTSB WPR20CA059Accident · No injuriesData collectionFinal reportSud SE 3130 Alouette II · Mokelumne Hills, CAThe 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 GAA20CA060Accident · No injuriesData collectionFinal reportRobinson R22 · Smoketown, PAThe student pilot's improper cyclic input while hovering and the flight instructor's delayed remedial action, which resulted in a dynamic rollover.NTSB ERA20LA004Accident · No injuriesClass 3 · LimitedFinal reportBell OH 58A · Fort Meade, FLThe pilot's failure to maintain control of the helicopter, which resulted in a dynamic rollover and impact with terrain.NTSB GAA19CA519Accident · No injuriesData collectionFinal reportBell 206 · San Diego, CAThe pilot's failure to maintain yaw and pitch control while repositioning the helicopter, which resulted in dynamic rollover.NTSB GAA19CA347Accident · Minor injuriesData collectionFinal reportRobinson R22 · San Antonio, TXThe 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 ERA19CA147Accident · Minor injuriesData collectionFinal reportGaskins Safari 400 · Gallatin, TNThe 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 CEN19LA068Accident · No injuriesLimited investigationFinal reportAerospatiale AS350 · Ponca City, OKThe pilot's failure to maintain altitude during the hover operation while his view was obstructed due to the fogged-over windshield.NTSB ERA19FA035Accident · 2 fatalField investigationFinal reportAerospatiale AS 355F2 · Beekmantown, NYThe 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 ANC18CA056Accident · Minor injuriesClass 4 · Data collectionFinal reportEurocopter AS 350 B3 · Kobuk, AKThe pilot's inadvertent dynamic rollover during takeoff.NTSB ERA18LA170Accident · Minor injuriesLimited investigationFinal reportBell OH 58A · Raleigh, NCThe 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.