NTSB investigations, 2026
8 cases where the sequence of events included Dynamic rollover.
Cases per year
| 2008 | 1 |
|---|---|
| 2009 | 12 |
| 2010 | 10 |
| 2011 | 8 |
| 2012 | 10 |
| 2013 | 2 |
| 2014 | 14 |
| 2015 | 6 |
| 2016 | 8 |
| 2017 | 12 |
| 2018 | 8 |
| 2019 | 14 |
| 2020 | 6 |
| 2021 | 3 |
| 2022 | 16 |
| 2023 | 6 |
| 2024 | 9 |
| 2025 | 10 |
| 2026 | 8 |
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 year(c.\"eventDate\") = 2026
AND 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"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 year(c."eventDate") = 2026 AND 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
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 ERA26LA313Accident · Minor injuriesClass 4 · LimitedFinal reportRobinson Helicopter R22 Beta · Milton, FLThe 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 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 WPR26LA247Accident · Serious injuriesClass 4 · LimitedFinal reportBell 47G · Springtown, TXThe pilot’s failure to maintain clearance from trees while in a low hover.NTSB 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.