# NTSB investigations: Aeronca 11AC: Runway excursion NTSB aviation accident and incident investigations since 1962: the probable cause, findings, aircraft, crew, weather and docket of each, linked to the FAA registry and the FAA’s own reports. ## Latest cases - [NTSB ERA24LA238](https://openairdocs.org/ntsb/ERA24LA238.md): Aeronca 11AC · Geneseo, NY · Accident · No injuries · Class 4 · Limited · Final report · Jun 1, 2024 · N9418E · Substantial damage > The pilot’s failure to maintain directional control during the takeoff roll resulting in a runway excursion, and subsequent nose over. - [NTSB ERA24LA183](https://openairdocs.org/ntsb/ERA24LA183.md): Aeronca 11AC · Conyers, GA · Accident · Minor injuries · Class 4 · Limited · Final report · Mar 31, 2024 · N3420E · Substantial damage > An encounter with shifting wind conditions, which resulted in the airplane using more runway than anticipated, an aborted takeoff, and subsequent runway excursion. Contributing to the accident was the pilot’s failure account for the potential of variable and… - [NTSB CEN21LA275](https://openairdocs.org/ntsb/CEN21LA275.md): Aeronca 11AC · Baltimore, OH · Accident · Minor injuries · Class 4 · Limited · Final report · Jun 16, 2021 · N85930 · Substantial damage > The pilot’s loss of directional control during landing. - [NTSB WPR20CA058](https://openairdocs.org/ntsb/WPR20CA058.md): Aeronca 11AC · San Diego, CA · Accident · No injuries · Data collection · Final report · Nov 25, 2019 · N9510E · Substantial damage > The 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 ERA17LA262](https://openairdocs.org/ntsb/ERA17LA262.md): Aeronca 11BC · Gilbert, SC · Accident · No injuries · Class 3 · Limited · Final report · Jul 20, 2017 · N3154E · Substantial damage > The pilot's failure to maintain directional control during landing, which resulted in a runway excursion. - [NTSB GAA17CA203](https://openairdocs.org/ntsb/GAA17CA203.md): Aeronca 11AC · Warroad, MN · Accident · No injuries · Data collection · Final report · Mar 25, 2017 · N9595E · Substantial damage > The pilot’s improper landing flare and his subsequent failure to maintain directional control during the landing in tailwind conditions. - [NTSB GAA17CA043](https://openairdocs.org/ntsb/GAA17CA043.md): Aeronca 11AC · Winter Haven, FL · Accident · No injuries · Data collection · Final report · Oct 22, 2016 · N9410E · Substantial damage > The pilot's failure to maintain directional control during the landing roll in gusty crosswind conditions, which resulted in a runway excursion. - [NTSB GAA16CA410](https://openairdocs.org/ntsb/GAA16CA410.md): Aeronca 11AC · Gig Harbor, WA · Accident · No injuries · Data collection · Final report · Jul 26, 2016 · N9791E · Substantial damage > The pilot's failure to maintain directional control during landing, and subsequent wing tip strike, which resulted in substantial damage to the rear spar. - [NTSB GAA16CA257](https://openairdocs.org/ntsb/GAA16CA257.md): Aeronca 11AC · Vinton, IA · Accident · No injuries · Data collection · Final report · May 19, 2016 · N85871 · Substantial damage > The 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 CEN14LA387](https://openairdocs.org/ntsb/CEN14LA387.md): Aeronca 11AC · Flushing, MI · Accident · Minor injuries · Limited investigation · Final report · Jul 22, 2014 · N4453P · Substantial damage > The 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 WPR14CA229](https://openairdocs.org/ntsb/WPR14CA229.md): Aeronca 11AC · Tacoma, WA · Accident · No injuries · Data collection · Final report · Jun 4, 2014 · N9791E · Substantial damage > The student pilot's improper application of rudder resulted in a loss of control during the landing roll and the flight instructor's inadequate oversight. - [NTSB ERA10LA504](https://openairdocs.org/ntsb/ERA10LA504.md): Aeronca 11AC · Mocksville, NC · Accident · No injuries · Limited investigation · Final report · Aug 28, 2010 · N85929 · Substantial damage > The pilot’s failure to attain the proper touchdown point, following a loss of engine power due to carburetor icing. - [NTSB ERA11CA163](https://openairdocs.org/ntsb/ERA11CA163.md): Aeronca 11AC · Randolph, NY · Accident · No injuries · Data collection · Final report · Jul 20, 2010 · N9120E · Substantial damage > The 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. ## The whole list in SQL Runs in DuckDB 1.2 or later on the release's Parquet files over HTTPS: ```sql 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" = '300' 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 ``` This list as a web page: https://openairdocs.org/ntsb-events/300/sequence?model=0191102 --- OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.