NTSB investigations, 2024
4 cases where the sequence of events included Loss of tail rotor effectiveness.
Cases per year
| 2008 | 10 |
|---|---|
| 2009 | 3 |
| 2010 | 2 |
| 2011 | 7 |
| 2012 | 5 |
| 2013 | 9 |
| 2014 | 8 |
| 2015 | 7 |
| 2016 | 8 |
| 2017 | 11 |
| 2018 | 4 |
| 2019 | 6 |
| 2020 | 2 |
| 2021 | 8 |
| 2022 | 4 |
| 2024 | 4 |
| 2025 | 1 |
| 2026 | 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 year(c.\"eventDate\") = 2024
AND c.\"mKey\" IN (SELECT s.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' s WHERE s.\"tier2Number\" = '242' 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") = 2024 AND c."mKey" IN (SELECT s.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' s WHERE s."tier2Number" = '242' 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 ERA25LA059Accident · No injuriesClass 4 · LimitedFinal reportBell 206B · Lakeland, FLThe pilot’s failure to maintain yaw control during a tailwind approach, which resulted in a loss of tail rotor effectiveness, an uncommanded spin, and subsequent hard landing.NTSB WPR25LA006Accident · Minor injuriesClass 4 · LimitedFinal reportAgustawestland AW109SP · Kamas, UTThe pilot’s exceedance of the helicopter’s available power while landing in a confined area, which resulted in a loss of tail rotor effectiveness and a hard landing.NTSB WPR24LA243Accident · No injuriesClass 3 · LimitedFinal reportMcdonnell Douglas Helicopter 369E · Cottonwood, AZThe pilot’s low-speed, high-power maneuvering in high density altitude and near maximum gross weight, which resulted in an uncommanded right yaw due to a loss of tail rotor effectiveness and a subsequent hard landing.NTSB ERA24LA205Accident · No injuriesClass 3 · LimitedFinal reportAirbus Helicopters AS350B3 · Plant City, FLThe pilot’s inadequate yaw control of the helicopter while maneuvering at a low altitude and airspeed, which resulted in a hard landing.