NTSB investigations, TN
5 cases where the sequence of events included Flight control sys malf/fail.
Cases per year
| 2008 | 1 |
|---|---|
| 2011 | 1 |
| 2012 | 1 |
| 2019 | 1 |
| 2025 | 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\" = 'TN' 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\" = '333' 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" = 'TN' 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" = '333' 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 ERA25LA290Accident · Serious injuriesClass 3 · LimitedPreliminary reportGary W Lewinski Sonex · Tellico Plains, TNOn August 5, 2025, about 1131 eastern daylight time, a Lewinski Sonex, N67BG, was substantially damaged when it was involved in an accident near Tellico Plains, Tennessee. The private pilot was seriously injured. The airplane was operated as a Title 14?Code…NTSB ERA19FA225Accident · 1 fatalClass 3 · FieldFinal reportQuicksilver Mxii · Oliver Springs, TNThe noncertificated pilot’s decision to continue to takeoff and climb after encountering an undetermined airplane control issue that he was unable to counteract, which resulted in collision with trees and subsequent impact with terrain.NTSB ERA12LA368Accident · No injuriesLimited investigationFinal reportSchweizer 269C · Piney Flats, TNThe mechanic’s improper maintenance of the main transmission aft pinion nut and belt drive system, which resulted in the uncoupling of the tail rotor driveshaft and the subsequent loss of helicopter control.NTSB ERA11CA375Accident · No injuriesData collectionFinal reportTemco GC-1B · Sparta, TNThe improper installation of the right rudder control cable by maintenance personnel, which resulted in the pilot's inability to maintain directional control during takeoff.NTSB NYC08LA259Accident · Serious injuriesLimited investigationFinal reportSands Thomas E Rotorway 162 · Graysville, TNA loss of control for undetermined reasons.