NTSB investigations: Aeronca 11AC
7 cases on aircraft the registry lists as Aeronca 11AC, where the sequence of events included Nose over/nose down. 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
| 2009 | 1 |
|---|---|
| 2010 | 1 |
| 2013 | 1 |
| 2017 | 1 |
| 2022 | 1 |
| 2024 | 2 |
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 ('0191102')
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\" = '096' 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 ('0191102')
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" = '096' 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 WPR24LA261Accident · No injuriesClass 3 · LimitedFinal reportAeronca 11AC · Winchester, CAA total loss of engine power due to a fatigue fracture of the crankshaft.NTSB ERA24LA238Accident · No injuriesClass 4 · LimitedFinal reportAeronca 11AC · Geneseo, NYThe pilot’s failure to maintain directional control during the takeoff roll resulting in a runway excursion, and subsequent nose over.NTSB ERA22LA157Accident · No injuriesClass 3 · LimitedFinal reportAeronca 11AC · Harveysburg, OHA complete loss of engine power as a result of carburetor ice due to the flight instructor’s failure to effectively use carburetor heat in conditions conducive to the formation of carburetor ice.NTSB GAA17CA203Accident · No injuriesData collectionFinal reportAeronca 11AC · Warroad, MNThe pilot’s improper landing flare and his subsequent failure to maintain directional control during the landing in tailwind conditions.NTSB ANC13CA062Accident · No injuriesData collectionFinal reportAeronca 11AC · Kodiak, AKThe loss of engine power due to carburetor icing and the pilot's failure to continue the use of carburetor heat after experiencing carburetor ice.NTSB ERA10LA504Accident · No injuriesLimited investigationFinal reportAeronca 11AC · Mocksville, NCThe pilot’s failure to attain the proper touchdown point, following a loss of engine power due to carburetor icing.NTSB CEN09LA567Accident · No injuriesLimited investigationFinal reportAeronca 11AC · Marshall, MIThe failure of the main landing gear attach point.