NTSB investigations, 2021
8 cases where the sequence of events included Roll over.
Cases per year
| 2008 | 20 |
|---|---|
| 2009 | 15 |
| 2010 | 14 |
| 2011 | 13 |
| 2012 | 18 |
| 2013 | 12 |
| 2014 | 19 |
| 2015 | 19 |
| 2016 | 13 |
| 2017 | 17 |
| 2018 | 34 |
| 2019 | 20 |
| 2020 | 7 |
| 2021 | 8 |
| 2022 | 4 |
| 2023 | 8 |
| 2024 | 6 |
| 2025 | 6 |
| 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\") = 2021
AND c.\"mKey\" IN (SELECT s.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' s WHERE s.\"tier2Number\" = '097' 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") = 2021 AND c."mKey" IN (SELECT s.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' s WHERE s."tier2Number" = '097' 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 ANC21LA083Accident · Minor injuriesClass 4 · LimitedFinal reportMcdonnell Douglas Helicopter 369E · Delta Junction, AKThe pilot’s inability to maintain lateral control during the takeoff, which resulted in dynamic rollover. Contributing to the accident was the pilot’s decision to utilize an unsuitable landing area for flight operations.NTSB ANC21LA080Accident · No injuriesClass 4 · LimitedFinal reportRobinson Helicopter R44 II · Pelican, AKThe pilot’s loss of control while landing on a remote helipad.NTSB ERA21LA335Accident · No injuriesClass 3 · LimitedFinal reportHummer 260L · Livingston, TNA total loss of engine power for reasons that could not be determined. Contributing to the accident was the pilot’s operation of the helicopter in a flight regime that would not allow for a successful autorotative landing.NTSB ERA21LA332Accident · No injuriesClass 4 · LimitedFinal reportRotorway Exec 162 · Lindale, GAThe pilot's improper judgment of the helicopter’s height above ground during the landing flare, which resulted in a hard landing with forward airspeed and subsequent bounce and rollover.NTSB GAA21WA098Accident · No injuriesClass 5 · ForeignRobinson R44 · Región de Ñuble, ChileNTSB CEN21LA169Accident · Minor injuriesClass 4 · LimitedFinal reportBell OH-58 · Pottsboro, TXThe pilot failure to maintain directional control of the helicopter when it encountered an unanticipated wind allowing it to drift into a fence and subsequently roll over and impact terrain.NTSB GAA21WA069Accident · No injuriesClass 5 · ForeignRotorway Exec · Ledbury, Herefordshire, United KingdomNTSB ERA21LA121Accident · No injuriesClass 4 · LimitedFinal reportRobinson Helicopter R66 · Knoxville, TNThe pilot’s failure to maintain directional control of the helicopter, which resulted in rear portion of the right skid contacting the ground and a subsequent dynamic rollover.