NTSB investigations, 2019
6 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\") = 2019
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") = 2019 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 WPR20WA081Accident · Minor injuriesForeign investigationOas UH-1H · Williamtown Aerodrome, AustraliaThe government of Australia has notified the NTSB of an accident involving a OAS UH-1H helicopter that occurred on December 07, 2019. The NTSB has appointed a U.S. Accredited Representative to assist the government of Australia's investigation under the…NTSB ERA19LA285Accident · Serious injuriesClass 3 · LimitedFinal reportEnstrom F28 · Bloomsburg, PAThe pilot's failure to maintain proper forward airspeed and power during final approach, which resulted in a loss of tail rotor effectiveness and impact with terrain.NTSB WPR19LA205Accident · Serious injuriesClass 3 · LimitedFinal reportMd Helicopter 369 · Eugene, ORThe left seat pilot’s failure to account for environmental conditions conducive to a loss of tail rotor effectiveness, which resulted in a loss of tail rotor effectiveness and subsequent loss of control.NTSB GAA19CA463Accident · No injuriesData collectionFinal reportHughes 269A · Springfield, TNThe pilot’s failure to maintain helicopter control and a loss of tail rotor effectiveness while hover-taxiing and turning toward a taxiway in gusting crosswind conditions, which resulted in a dynamic rollover.NTSB WPR19LA194Accident · Serious injuriesClass 3 · LimitedFinal reportBell 47G 3B 1 · Mosby, MTThe pilot’s failure to account for environmental conditions conducive to a loss of tail rotor effectiveness, which resulted in a loss of tail rotor effectiveness and subsequent loss of control. Contributing to the accident was the pilot’s inappropriate…NTSB ERA19LA171Accident · No injuriesClass 3 · LimitedFinal reportBell 206 · New York, NYThe pilot's failure to compensate for adverse wind on final approach, which resulted in a loss of tail rotor effectiveness and aircraft control.