NTSB investigations, 2017
12 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\") = 2017
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") = 2017 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 GAA18CA089Accident · Minor injuriesData collectionFinal reportRobinson Helicopter R44 · Newark, OHThe pilot’s failure to maintain lateral control of the helicopter during takeoff, which resulted in dynamic rollover.NTSB WPR18LA004Accident · No injuriesClass 3 · LimitedFinal reportWestern International Avia UH 1H · Arbuckle, CAA collective control malfunction for reasons that could not be determined.NTSB GAA17CA551Accident · No injuriesData collectionFinal reportRobinson Helicopter R22 · Santa Barbara, CAThe student pilot’s unstabilized hover, which resulted in ground contact and a dynamic rollover. Contributing to the accident was the flight instructor’s delayed remedial action.NTSB GAA17CA509Accident · No injuriesData collectionFinal reportRobinson Helicopter R22 · Bremerton, WAThe student pilot’s improper bank control during takeoff, which resulted in a dynamic rollover.NTSB CEN17RA377Accident · Minor injuriesForeign investigationMcdonnell Douglas MD900 · Heiligenblut, AustriaOn August 1, 2017, at 1815 UTC, a McDonnell Douglas MD 900 Helicopter, Austrian registration OE-XWF, impacted mountainous terrain about 8 miles west-northwest of Heiligenblut, Austria. One medical crewmember sustained minor injuries. The pilot, the other…NTSB GAA17CA383Accident · No injuriesData collectionFinal reportRobinson Helicopter R44 · Easton, PAThe pilot’s distraction during liftoff due to the tail rotor chip warning light illuminating, which resulted in the helicopter drifting right, the skid touching down, and a dynamic roll-over.NTSB GAA17CA296Accident · Minor injuriesData collectionFinal reportSchweizer 269C · Eden Prairie, MNThe student pilot's loss of lateral control while practicing autorotations from a hover and the flight instructor's delayed remedial action, which resulted in a bounced landing and dynamic roll-over.NTSB ERA17CA187Accident · No injuriesData collectionFinal reportRobinson R22 · Linden, NJThe flight instructor's failure to maintain helicopter control while hovering, which resulted in skid contact with the ground and a dynamic roll-over.NTSB GAA17CA251Accident · No injuriesData collectionFinal reportBender Joseph KIT Rotoway · Wheatland, WYThe pilot's decision to operate the helicopter in gusting wind and high-density altitude conditions and his positioning of the helicopter such that it resulted in a right quartering tailwind, which resulted in a loss of helicopter control due to a loss of…NTSB ERA17LA103Accident · No injuriesLimited investigationFinal reportEurocopter Deutschland EC 135 · Beattyville, KYThe pilot's failure to maintain helicopter control while landing, which resulted in a hard landing and subsequent roll over.NTSB GAA17CA132Accident · Minor injuriesData collectionFinal reportBell Helicopter Textron 206 · Carson City, NVThe pilot-in-command’s delayed remedial action to arrest the right yaw after the bounced landing while operating in a flight regime conducive to the loss of tail rotor effectiveness, which resulted in a roll-over.NTSB GAA17CA130Accident · No injuriesData collectionFinal reportRobinson Helicopter R22 · Armstrong, TXThe pilot’s failure to remove the left helicopter skid tie-down before takeoff, which resulted in dynamic roll-over.