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

20102026
NTSB investigations: Aeronca 11AC per year, 2010–2026: 16 cases
20101
20121
20131
20141
20163
20172
20181
20191
20201
20221
20232
20241

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.

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.Jun 1, 2024 · N9418E · Substantial damageNTSB 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.Sep 16, 2023 · N46WR · Substantial damageNTSB ERA23LA275Accident · No injuriesClass 3 · LimitedFinal reportAeronca 11AC · Pence Springs, WVA total loss of engine power due to carburetor icing.Jun 23, 2023 · N9543E · Substantial damageNTSB 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.Feb 8, 2022 · N9500E · Substantial damageNTSB 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.Aug 22, 2020 · N86002 · Substantial damageNTSB 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.Nov 25, 2019 · N9510E · Substantial damageNTSB GAA18CA536Accident · No injuriesData collectionFinal reportAeronca 11AC · Midland, TXThe pilot’s improper landing flare, which resulted in a bounced landing.Sep 2, 2018 · N86146 · Substantial damageNTSB ERA17LA262Accident · No injuriesClass 3 · LimitedFinal reportAeronca 11BC · Gilbert, SCThe pilot's failure to maintain directional control during landing, which resulted in a runway excursion.Jul 20, 2017 · N3154E · Substantial damageNTSB 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.Jun 16, 2017 · N9404E · Substantial damageNTSB 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.Oct 22, 2016 · N9410E · Substantial damageNTSB 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…Jul 19, 2016 · N85893 · Substantial damageNTSB 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.May 19, 2016 · N85871 · Substantial damageNTSB 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…Jul 22, 2014 · N4453P · Substantial damageNTSB 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.Apr 28, 2013 · N3503E · Substantial damageNTSB 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.Aug 25, 2012 · N9409E · Substantial damageNTSB 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.Jul 20, 2010 · N9120E · Substantial damage