NTSB investigations: Flight Design CTLS
8 cases on aircraft the registry lists as Flight Design CTLS, where the sequence of events included Landing gear collapse. Aircraft are matched to the registry by N-number and event date, checked against the reported serial number, make and model, so older matches can be wrong.
Cases per year
| 2012 | 3 |
|---|---|
| 2013 | 2 |
| 2014 | 1 |
| 2015 | 1 |
| 2019 | 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.\"mKey\" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.aircraft_model_code IN ('060005B')
AND EXISTS (SELECT 1 FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' s WHERE s.case_mkey = x.case_mkey AND s.aircrafts_position = x.position AND s.\"tier2Number\" = '094' 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."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.aircraft_model_code IN ('060005B')
AND EXISTS (SELECT 1 FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' s WHERE s.case_mkey = x.case_mkey AND s.aircrafts_position = x.position AND s."tier2Number" = '094' 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" DESCRun 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 GAA19CA242Accident · No injuriesData collectionFinal reportFlight Design Ctls · Sandy Valley, NVThe pilot's steep bank turn at low altitude, which resulted in a rapid descent and hard landing.NTSB GAA15CA016Accident · No injuriesData collectionFinal reportFlight Design Ctls · Mount Vernon, OHThe pilot's improper recovery from a bounced landing, which resulted in a loss of control.NTSB CEN15CA036Accident · Minor injuriesData collectionFinal reportFlight Design CTLSi · White Bear Lake, MNThe pilot's exceedance of the airplane's critical angle of attack during the landing, which resulted in an inadvertent aerodynamic stall, a hard landing, and a nose over.NTSB CEN13LA398Accident · Minor injuriesLimited investigationFinal reportFlight Design Ctls · Sandwich, ILThe pilot’s failure to recognize the formation of carburetor ice during cruise descent and apply carburetor heat, which resulted in the total loss of engine power.NTSB ERA13CA271Accident · No injuriesData collectionFinal reportFlight Design Ctls · Concord, NHThe pilot's improper landing flare, which resulted in a hard landing and subsequent main landing gear collapse.NTSB CEN13IA024Incident · No injuriesIncident investigationFinal reportFlight Design Ctls · Elyria, OHThe manufacturing defects in the main landing gear leg, which resulted in its eventual failure.NTSB CEN12LA476Accident · No injuriesLimited investigationFinal reportFlight Design Ctls · Conway, ARThe pilot's improper landing flare, which resulted in a hard landing and overstress failure of the right main landing gear.NTSB CEN12IA451Incident · No injuriesIncident investigationFinal reportFlight Design Ctls · Marysville, OHFatigue failure of the left main wheel assembly on takeoff, which resulted in a loss of directional control and runway excursion.