NTSB investigations: Aeronca 7AC
28 cases on aircraft the registry lists as Aeronca 7AC, where NTSB found Directional control. 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 | 2 |
|---|---|
| 2010 | 4 |
| 2011 | 3 |
| 2012 | 3 |
| 2013 | 1 |
| 2014 | 1 |
| 2015 | 1 |
| 2017 | 1 |
| 2018 | 1 |
| 2019 | 1 |
| 2020 | 1 |
| 2021 | 2 |
| 2022 | 3 |
| 2023 | 1 |
| 2025 | 1 |
| 2026 | 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 ('2110102')
AND EXISTS (SELECT 1 FROM 'https://openairdocs.org/data/latest/ntsb_findings.parquet' f WHERE f.case_mkey = x.case_mkey AND f.aircrafts_position = x.position AND starts_with(f.\"findingCode\", '01062020')))
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 ('2110102')
AND EXISTS (SELECT 1 FROM 'https://openairdocs.org/data/latest/ntsb_findings.parquet' f WHERE f.case_mkey = x.case_mkey AND f.aircrafts_position = x.position AND starts_with(f."findingCode", '01062020')))
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 WPR26LA250Accident · No injuriesClass 4 · LimitedFinal reportAeronca 7AC · Buffalo, WYThe pilot’s improper flare and subsequent failure to maintain directional control of the airplane during the aborted landing.NTSB CEN26LA088Accident · No injuriesClass 4 · LimitedFinal reportAeronca 7AC · Early, TXThe unsecured cup holder that restricted left rudder pedal movement, which resulted in a loss of directional control during landing roll.NTSB WPR25LA300Accident · No injuriesClass 4 · LimitedFinal reportAeronca 7AC · Firebaugh, CAA loss of directional control during landing due to the partial separation of the right main landing gear oleo strut from a failed weld.NTSB CEN24LA044Accident · Minor injuriesClass 4 · LimitedFinal reportAeronca 7AC · DeWitt, ARThe pilot’s loss of airplane directional control while landing.NTSB ERA22LA400Accident · No injuriesClass 4 · LimitedFinal reportAeronca 7AC · Marysville, OHThe pilot’s failure to maintain directional control during landing.NTSB ERA22LA382Accident · No injuriesClass 3 · LimitedFinal reportAeronca 7AC · Clermont, FLThe pilot’s inability to maintain directional control while landing due to a worn tailwheel locking mechanism, which resulted in a runway excursion and collision with terrain.NTSB WPR22LA237Accident · No injuriesClass 4 · LimitedFinal reportAeronca 7AC · Auburn, WAThe pilot's failure to maintain directional control during the landing roll, and the flight instructor’s delayed remedial action.NTSB ERA22LA063Accident · No injuriesClass 4 · LimitedFinal reportAeronca 7AC · Denver, NCThe pilot’s failure to maintain directional control during the landing roll with a gusting crosswind.NTSB CEN21LA324Accident · No injuriesClass 4 · LimitedFinal reportAeronca 7AC · Rhinelander, WIThe pilot’s failure to maintain directional control during landing.NTSB CEN21LA006Accident · No injuriesClass 4 · LimitedFinal reportAeronca 7AC · Salida, COThe student pilot’s loss of directional control during takeoff and the flight instructor’s delayed remedial action which resulted in a runway excursion and impact with a steel object.NTSB GAA20CA009Accident · No injuriesData collectionFinal reportAeronca 7AC · Waynesburg, PAThe student pilot's failure to maintain directional control during the landing roll due to his foot slipping off the right pedal and becoming stuck between the pedal and fuselage frame, which resulted in a runway excursion and impact with a ditch.NTSB GAA18CA317Accident · No injuriesData collectionFinal reportAeronca 7AC · Vinton, IAThe pilot’s failure to maintain directional control while landing in gusting tailwind conditions.NTSB GAA17CA288Accident · No injuriesData collectionFinal reportAeronca 7AC · Lebanon, ORThe pilot’s failure to maintain directional control during the landing roll in gusting wind conditions.NTSB ERA15LA251Accident · Serious injuriesLimited investigationFinal reportAeronca 7AC · East Moriches, NYThe pilot's failure to maintain directional control while taking off in a crosswind, which resulted in a collision with a tree.NTSB CEN14CA157Accident · No injuriesData collectionFinal reportAeronca 7AC · Adrian, TXThe pilot's failure to maintain directional control of the airplane during the landing roll which resulted in the airplane ground looping.NTSB WPR13CA088Accident · Minor injuriesData collectionFinal reportAeronca 7AC · Rialto, CAThe pilot's failure to maintain airplane control while taxiing in gusting wind conditions.NTSB ERA12CA490Accident · No injuriesData collectionFinal reportAeronca 7AC · Winter Haven, FLThe student pilot’s failure to maintain directional control during the landing roll.NTSB ERA12CA402Accident · No injuriesData collectionFinal reportAeronca 7AC · Blairs, VAThe pilot's failure to maintain directional control during a takeoff into sun glare.NTSB ERA12CA245Accident · No injuriesData collectionFinal reportAeronca 7AC · Clearwater, FLThe pilot's failure to maintain airplane control during takeoff and the flight instructor's inadequate supervision, which resulted in a runway excursion.NTSB CEN11LA614Accident · No injuriesLimited investigationFinal reportAeronca 7AC · Valparaiso, INThe pilot’s loss of directional control during landing. Contributing to the accident was the wear in the tailwheel assembly.NTSB ERA11CA324Accident · Minor injuriesData collectionFinal reportAeronca 7AC · Honea Path, SCThe student pilot's loss of control during the takeoff.NTSB CEN11LA219Accident · No injuriesLimited investigationFinal reportAeronca 7AC · Delphi, INThe pilot's loss of directional control, resulting in a runway excursion, and the subsequent separation of the left main landing gear for undetermined reasons.NTSB ERA11LA063Accident · No injuriesLimited investigationFinal reportAeronca 7AC · Merritt Island, FLThe pilot's failure to maintain directional control while landing, which resulted in a main landing gear collapse and subsequent runway excursion.NTSB CEN11CA039Accident · No injuriesData collectionFinal reportAeronca 7AC · Mount Vernon, MOThe pilot's loss of directional control while taxiing.NTSB CEN10CA407Accident · No injuriesData collectionFinal reportAeronca 7AC · Santa Fe, NMThe pilot's failure to maintain directional control of the airplane while landing with gusting winds.NTSB ERA10CA168Accident · No injuriesData collectionFinal reportAeronca 7AC · Roanoke Rapids, NCThe pilot’s failure to maintain directional control during a crosswind landing/rollout.NTSB ERA09CA465Accident · No injuriesData collectionFinal reportAeronca 7AC · Finleyville, PAThe pilot’s failure to maintain directional control during landing.NTSB WPR09CA280Accident · No injuriesData collectionFinal reportAeronca 7AC · El Cajon, CAThe pilot's failure to maintain directional control while landing with gusting crosswinds.