NTSB investigations: Aeronca 7AC
29 cases on aircraft the registry lists as Aeronca 7AC, where the sequence of events included Loss of control on ground. 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 | 3 |
|---|---|
| 2010 | 4 |
| 2011 | 2 |
| 2012 | 2 |
| 2014 | 1 |
| 2015 | 3 |
| 2016 | 1 |
| 2017 | 1 |
| 2018 | 1 |
| 2019 | 1 |
| 2020 | 2 |
| 2021 | 2 |
| 2022 | 2 |
| 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_events.parquet' s WHERE s.case_mkey = x.case_mkey AND s.aircrafts_position = x.position AND s.\"tier2Number\" = '230' 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 ('2110102')
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" = '230' 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 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 · LimitedInvestigation openAeronca 7AC · Early, TXNTSB 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 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 CEN20CA120Accident · Serious injuriesData collectionFinal reportAeronca 7AC · Ankeny, IAThe pilot's improper starting procedure, which allowed the airplane to move forward over the wheel chocks and impact him and a hangar when he subsequently hand propped the engine.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 GAA16CA383Accident · No injuriesData collectionFinal reportAeronca 7AC · Lenoir, NCThe pilot's encounter with instrument meteorological conditions, which resulted in an emergency descent through fog, a runway overrun on a wet grass runway, and a collision with a ditch and vegetation. Contributing to the accident was the pilot's failure to…NTSB GAA16CA054Accident · No injuriesData collectionFinal reportAeronca 7AC · Fowlerville, MIThe pilot's failure to maintain pitch control during the takeoff roll, which resulted in an impact with terrain.NTSB CEN15CA196Accident · No injuriesData collectionFinal reportAeronca 7AC · Cambridge, OHThe pilot's failure to maintain control of the airplane while encountering a wind gust after landing.NTSB GAA15LA019Accident · No injuriesLimited investigationFinal reportAeronca 7AC · Garrison, IAThe malfunction of the right brake for reasons that could not be determined because postaccident examination revealed no anomalies that would have precluded normal operation.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 ERA12CA490Accident · No injuriesData collectionFinal reportAeronca 7AC · Winter Haven, FLThe student pilot’s failure to maintain directional control during the landing roll.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 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 ERA09LA348Accident · Serious injuriesLimited investigationFinal reportAeronca 7AC · Fairmont, WVThe pilot’s failure to maintain control of the airplane during takeoff. Contributing to the accident was the pilot's inadequate use of the checklist.NTSB WPR09CA280Accident · No injuriesData collectionFinal reportAeronca 7AC · El Cajon, CAThe pilot's failure to maintain directional control while landing with gusting crosswinds.