NTSB investigations: Aeronca 11AC
16 cases on aircraft the registry lists as Aeronca 11AC, where the sequence of events included Collision with terr/obj (non-CFIT). 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
| 2010 | 1 |
|---|---|
| 2012 | 1 |
| 2013 | 1 |
| 2014 | 1 |
| 2016 | 3 |
| 2017 | 2 |
| 2018 | 1 |
| 2019 | 1 |
| 2020 | 1 |
| 2022 | 1 |
| 2023 | 2 |
| 2024 | 1 |
Where
Latest 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\" = '470' 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" = '470' 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 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 WPR23LA346Accident · Minor injuriesClass 4 · LimitedFinal reportAeronca 11AC · Apple, IDFuel starvation due to the pilot’s incorrect movement of the fuel selector valve to OFF, which resulted in a loss of engine power.NTSB ERA23LA275Accident · No injuriesClass 3 · LimitedFinal reportAeronca 11AC · Pence Springs, WVA total loss of engine power due to carburetor icing.NTSB WPR22LA099Accident · No injuriesClass 3 · LimitedFinal reportAeronca 11AC · Napa, CAThe loss of engine power for undetermined reasons, which resulted in an off-airport landing on unimproved terrain.NTSB ERA20LA295Accident · No injuriesClass 3 · LimitedFinal reportAeronca 11AC · Nebo, NCA leak in the main fuel tank that resulted in a total loss of engine power due to fuel starvation.NTSB WPR20CA058Accident · No injuriesData collectionFinal reportAeronca 11AC · San Diego, CAThe pilot's failure to maintain directional control during the landing roll with a quartering tailwind, which resulted in a collision with an airport sign and subsequent ground-loop.NTSB GAA18CA536Accident · No injuriesData collectionFinal reportAeronca 11AC · Midland, TXThe pilot’s improper landing flare, which resulted in a bounced landing.NTSB ERA17LA262Accident · No injuriesClass 3 · LimitedFinal reportAeronca 11BC · Gilbert, SCThe pilot's failure to maintain directional control during landing, which resulted in a runway excursion.NTSB GAA17CA347Accident · Minor injuriesData collectionFinal reportAeronca 11AC · Watervliet, MIThe flight instructor's inadequate preflight planning, which resulted in a takeoff over maximum gross weight from a turf runway in high density altitude conditions and the airplane’s inability to attain a climb rate and subsequent collision with trees.NTSB GAA17CA043Accident · No injuriesData collectionFinal reportAeronca 11AC · Winter Haven, FLThe pilot's failure to maintain directional control during the landing roll in gusty crosswind conditions, which resulted in a runway excursion.NTSB CEN16FA269Accident · 2 fatalField investigationFinal reportAeronca 11AC · Ishpeming, MIThe pilot's failure to maintain airspeed following a loss of engine power due to carburetor icing while turning from base to final at a low altitude, which resulted in the airplane's wing exceeding its critical angle of attack and a subsequent aerodynamic…NTSB GAA16CA257Accident · No injuriesData collectionFinal reportAeronca 11AC · Vinton, IAThe pilot's failure to maintain directional control during the landing roll in gusty crosswind conditions, which resulted in a runway excursion and ground loop.NTSB CEN14LA387Accident · Minor injuriesLimited investigationFinal reportAeronca 11AC · Flushing, MIThe pilot receiving instruction’s failure to maintain directional control during the takeoff roll. Contributing to the accident was the flight instructor not having access to brake controls, which limited his ability to regain directional control at slower…NTSB ERA13LA221Accident · Serious injuriesLimited investigationFinal reportAeronca 11AC · Hoosick Falls, NYThe failure of the left wing attachment bracket weld due to inadequate welding by unknown maintenance personnel.NTSB WPR12LA367Accident · Serious injuriesLimited investigationFinal reportAeronca 11AC · Pacoima, CAA total loss of engine power on approach for landing due to a combination of the low fuel level and fuel contamination.NTSB ERA11CA163Accident · No injuriesData collectionFinal reportAeronca 11AC · Randolph, NYThe certified flight instructor's delayed response to the student pilot's loss of directional control during takeoff, which resulted in a runway excursion and collision with a building.