NTSB investigations, PA
6 cases where the sequence of events included Dynamic rollover.
Cases per year
| 2011 | 1 |
|---|---|
| 2016 | 1 |
| 2017 | 1 |
| 2019 | 1 |
| 2022 | 1 |
| 2024 | 1 |
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.\"eventStateOrRegion\" = 'PA' AND c.\"eventCountry\" = 'USA'
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 c."eventStateOrRegion" = 'PA' AND c."eventCountry" = 'USA' 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 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 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 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 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 GAA17CA092Accident · No injuriesData collectionFinal reportPitcairn PA 18 · Philadelphia, PAThe pilot’s failure to correct the gyroplane’s right roll during the landing, which resulted in the exceedance of its critical angle and a subsequent roll-over. Contributing to the accident were the pilot’s focus on preventing a potential ground loop instead…NTSB ERA11CA201Accident · No injuriesData collectionFinal reportSchweizer 269C-1 · Mount Pocono, PAThe flight instructor's selection of an unsuitable landing site to practice autorotations, which resulted in an inadvertent dynamic rollover during touchdown.