NTSB investigations, 2023
6 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\") = 2023
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") = 2023 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 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 ERA24LA028Accident · No injuriesClass 4 · LimitedFinal reportRobinson Helicopter R22 Beta · Ronkonkoma, NYThe student pilot’s abrupt control input and the flight instructor’s inadequate remedial action, which resulted in a dynamic rollover.NTSB WPR23LA214Accident · Minor injuriesClass 4 · LimitedFinal reportBell 206B · Filer, IDThe pilot’s improper anti-torque pedal inputs during takeoff, which resulted in a loss of helicopter control during takeoff and subsequent dynamic rollover.NTSB ERA23LA251Accident · No injuriesClass 3 · LimitedFinal reportMagniflight M24 Orion Plus · Dauphin Island, ALA partial loss of engine power due to a loss of combustion in the No. 4 cylinder for undetermined reasons.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 ERA23LA114Accident · Minor injuriesClass 4 · LimitedFinal reportDegraw Richard R Summit 23 · Wauchula, FLThe pilot’s improper landing flare, which resulted in a hard landing and dynamic rollover.