NTSB investigations: Aeronca 7AC
17 cases on aircraft the registry lists as Aeronca 7AC, where the sequence of events included Loss of control in flight. 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
| 2008 | 2 |
|---|---|
| 2009 | 2 |
| 2012 | 2 |
| 2013 | 1 |
| 2014 | 1 |
| 2015 | 1 |
| 2016 | 1 |
| 2017 | 1 |
| 2021 | 1 |
| 2022 | 3 |
| 2025 | 1 |
| 2026 | 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 ('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\" = '240' 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" = '240' 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 WPR26FA355Accident · 2 fatalClass 3 · FieldPreliminary reportAeronca 7AC · Hesperia, CAOn September 24, 2026, about 0945 Pacific daylight time, an Aeronca 7AC, N12DF, was substantially damaged when it was involved in an accident near Hesperia, California. The flight instructor and passenger were fatally injured. The airplane was operated as a…NTSB CEN25FA198Accident · 1 fatalClass 3 · FieldPreliminary reportAeronca 7AC · Waterman, ILOn June 7, 2025, about 1459 central daylight time, an Aeronca 7AC airplane, N1846E, sustained substantial damage when it was involved in an accident near Waterman, Illinois. The pilot was fatally injured, and the passenger was seriously injured. The airplane…NTSB ERA23LA002Accident · Serious injuriesClass 4 · LimitedFinal reportAeronca 7AC · Murray, KYThe incorrect (reverse) rigging of the elevator cables by maintenance personnel and their subsequent failure to verify that the rigging was correct during post-maintenance checks and the pilot's inadequate preflight check.NTSB ERA22FA391Accident · 1 fatalClass 3 · FieldFinal reportAeronca 7AC · Jacksboro, TNThe pilot's exceedance of the airplane’s critical angle of attack during takeoff, which resulted in an aerodynamic stall and loss of control.NTSB CEN22FA223Accident · 2 fatalClass 3 · FieldFinal reportAeronca 7AC · Bowling Green, MOThe pilots’ failure to maintain adequate airspeed while maneuvering, which resulted in an exceedance of the airplane’s critical angle of attack and an aerodynamic stall.NTSB CEN21FA377Accident · 2 fatalClass 3 · FieldFinal reportAeronca 7AC · Fort Worth, TXThe pilot’s exceedance of the airplane’s critical angle of attack during the initial climb, which resulted in an aerodynamic stall. Contributing to the accident was the pilot’s inadequate preflight planning, which resulted in an exceedance of the airplane’s…NTSB GAA17CA113Accident · No injuriesData collectionFinal reportAeronca 7AC · Compton, CAThe pilot’s failure to maintain runway alignment during landing in gusting crosswind conditions, which resulted in an off-runway landing in soft dirt and a nose-over.NTSB CEN16FA130Accident · 1 fatalField investigationFinal reportAeronca 7AC · Ellsworth, NEThe pilot's impairment due to carbon monoxide poisoning from a known cracked engine exhaust muffler, which resulted in a loss of aircraft control. Contributing to the accident was the pilot's decision to continue flying the airplane without properly repairing…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 ERA15FA017Accident · 1 fatalField investigationFinal reportAeronca 7EC · Cordele, GAAn in-flight loss of control for reasons that could not be determined based on the available evidence.NTSB ERA13FA372Accident · 2 fatalField investigationFinal reportAeronca 7AC · Taunton, MAThe pilot/owner’s inadequate preflight inspection and inadequate pretakeoff check of the flight controls, which resulted in a takeoff with the rudder gust lock installed. Contributing to the accident was the pilot-rated passenger’s failure to detect that the…NTSB CEN12FA601Accident · 1 fatalField investigationFinal reportAeronca 7AC · Brighton, MIThe pilot’s failure to maintain airspeed following a partial loss of engine power for reasons that could not be determined during postaccident examination, which resulted in an aerodynamic stall and loss of airplane control. Contributing to the severity of…NTSB ERA12CA402Accident · No injuriesData collectionFinal reportAeronca 7AC · Blairs, VAThe pilot's failure to maintain directional control during a takeoff into sun glare.NTSB CEN10LA031Accident · 2 fatalLimited investigationFinal reportAeronca 7AC · Gaylord, MIThe pilot's failure to maintain adequate airspeed during a low altitude turn resulting in an aerodynamic stall/spin and loss of control.NTSB WPR09CA388Accident · No injuriesData collectionFinal reportAeronca 7AC · Broadus, MTThe pilot’s failure to maintain sufficient airspeed during low altitude maneuvering, which resulted in an inadvertent stall.NTSB NYC08CA325Accident · No injuriesData collectionFinal reportAeronca 7AC · Mt. Pleasant, SCThe pilot's failure to maintain aircraft control during an emergency maneuver. Contributing to the accident was the failure of the left magneto.NTSB NYC08CA194Accident · Serious injuriesData collectionFinal reportAeronca 7AC · Valkaria, FLThe pilot's failure to maintain adequate airspeed, which resulted in an inadvertent stall.