# NTSB investigations: Aeronca 11AC

A list on [Aeronca 11AC](https://openairdocs.org/model/aeronca-11ac.md).

Matched to the registry by N-number and event date, newest first.

Page 1 of 6 · 275 investigations

- [NTSB CEN25LA403](https://openairdocs.org/ntsb/CEN25LA403.md): Aeronca 11AC · Longmont, CO · Accident · No injuries · Class 4 · Limited · Final report · Sep 29, 2025 · N86326 · Substantial damage
  > The pilot’s inadequate preflight fuel planning, which resulted in a total loss of engine power due to fuel exhaustion and the pilot’s improper landing flare which resulted in a hard landing.
- [NTSB WPR24LA261](https://openairdocs.org/ntsb/WPR24LA261.md): Aeronca 11AC · Winchester, CA · Accident · No injuries · Class 3 · Limited · Final report · Jul 27, 2024 · N86270 · Substantial damage
  > A total loss of engine power due to a fatigue fracture of the crankshaft.
- [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 WPR23LA346](https://openairdocs.org/ntsb/WPR23LA346.md): Aeronca 11AC · Apple, ID · Accident · Minor injuries · Class 4 · Limited · Final report · Sep 16, 2023 · N46WR · Substantial damage
  > Fuel starvation due to the pilot’s incorrect movement of the fuel selector valve to OFF, which resulted in a loss of engine power.
- [NTSB ERA23LA275](https://openairdocs.org/ntsb/ERA23LA275.md): Aeronca 11AC · Pence Springs, WV · Accident · No injuries · Class 3 · Limited · Final report · Jun 23, 2023 · N9543E · Substantial damage
  > A total loss of engine power due to carburetor icing.
- [NTSB ERA22LA157](https://openairdocs.org/ntsb/ERA22LA157.md): Aeronca 11AC · Harveysburg, OH · Accident · No injuries · Class 3 · Limited · Final report · Mar 16, 2022 · N9588E · Substantial damage
  > A complete loss of engine power as a result of carburetor ice due to the flight instructor’s failure to effectively use carburetor heat in conditions conducive to the formation of carburetor ice.
- [NTSB WPR22LA099](https://openairdocs.org/ntsb/WPR22LA099.md): Aeronca 11AC · Napa, CA · Accident · No injuries · Class 3 · Limited · Final report · Feb 8, 2022 · N9500E · Substantial damage
  > The loss of engine power for undetermined reasons, which resulted in an off-airport landing on unimproved terrain.
- [NTSB CEN21LA310](https://openairdocs.org/ntsb/CEN21LA310.md): Aeronca 11AC · Wapakoneta, OH · Accident · No injuries · Class 4 · Limited · Final report · Jul 5, 2021 · N9149E · Substantial damage
  > The pilot’s inadequate engine hand propping procedure resulting in the unoccupied airplane’s unintended movement and subsequent impact with a hangar.
- [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 CEN21LA037](https://openairdocs.org/ntsb/CEN21LA037.md): Aeronca 11AC · Wabash, IN · Accident · No injuries · Class 4 · Limited · Final report · Oct 28, 2020 · N9171E · Substantial damage
  > The pilot’s failure to properly secure the airplane before beginning the engine start sequence.
- [NTSB ERA20LA295](https://openairdocs.org/ntsb/ERA20LA295.md): Aeronca 11AC · Nebo, NC · Accident · No injuries · Class 3 · Limited · Final report · Aug 22, 2020 · N86002 · Substantial damage
  > A leak in the main fuel tank that resulted in a total loss of engine power due to fuel starvation.
- [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 GAA18CA536](https://openairdocs.org/ntsb/GAA18CA536.md): Aeronca 11AC · Midland, TX · Accident · No injuries · Data collection · Final report · Sep 2, 2018 · N86146 · Substantial damage
  > The pilot’s improper landing flare, which resulted in a bounced landing.
- [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 GAA17CA347](https://openairdocs.org/ntsb/GAA17CA347.md): Aeronca 11AC · Watervliet, MI · Accident · Minor injuries · Data collection · Final report · Jun 16, 2017 · N9404E · Substantial damage
  > The 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.
- [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 CEN16FA269](https://openairdocs.org/ntsb/CEN16FA269.md): Aeronca 11AC · Ishpeming, MI · Accident · 2 fatal · Field investigation · Final report · Jul 19, 2016 · N85893 · Substantial damage
  > The 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…
- [NTSB CEN16FA240](https://openairdocs.org/ntsb/CEN16FA240.md): Aeronca 11AC · Frankenmuth, MI · Accident · 2 fatal · Field investigation · Final report · Jul 3, 2016 · N86078 · Destroyed
  > The pilot's loss of control for undetermined reasons based on available information.
- [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 ANC13CA062](https://openairdocs.org/ntsb/ANC13CA062.md): Aeronca 11AC · Kodiak, AK · Accident · No injuries · Data collection · Final report · Jul 6, 2013 · N9118E · Substantial damage
  > The loss of engine power due to carburetor icing and the pilot's failure to continue the use of carburetor heat after experiencing carburetor ice.
- [NTSB ERA13LA221](https://openairdocs.org/ntsb/ERA13LA221.md): Aeronca 11AC · Hoosick Falls, NY · Accident · Serious injuries · Limited investigation · Final report · Apr 28, 2013 · N3503E · Substantial damage
  > The failure of the left wing attachment bracket weld due to inadequate welding by unknown maintenance personnel.
- [NTSB WPR12LA367](https://openairdocs.org/ntsb/WPR12LA367.md): Aeronca 11AC · Pacoima, CA · Accident · Serious injuries · Limited investigation · Final report · Aug 25, 2012 · N9409E · Substantial damage
  > A total loss of engine power on approach for landing due to a combination of the low fuel level and fuel contamination.
- [NTSB CEN12CA595](https://openairdocs.org/ntsb/CEN12CA595.md): Aeronca 11AC · Comfort, TX · Accident · Minor injuries · Data collection · Final report · Aug 24, 2012 · N9771E · Substantial damage
  > The pilot did not maintain control of the airplane after takeoff, which resulted in an inadvertent stall.
- [NTSB ERA11CA007](https://openairdocs.org/ntsb/ERA11CA007.md): Aeronca 11AC · Taylorsville, KY · Accident · Minor injuries · Data collection · Final report · Oct 4, 2010 · N85888 · Substantial damage
  > The pilot’s failure to maintain clearance from an unmarked power line during the final approach to land.
- [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.
- [NTSB CEN09CA609](https://openairdocs.org/ntsb/CEN09CA609.md): Aeronca 11AC · Augusta, KS · Accident · No injuries · Data collection · Final report · Sep 26, 2009 · N9204E · Substantial damage
  > The pilot's failure to maintain directional control while landing with a quartering tailwind.
- [NTSB CEN09LA567](https://openairdocs.org/ntsb/CEN09LA567.md): Aeronca 11AC · Marshall, MI · Accident · No injuries · Limited investigation · Final report · Sep 5, 2009 · N3383E · Substantial damage
  > The failure of the main landing gear attach point.
- [NTSB LAX07CA161](https://openairdocs.org/ntsb/LAX07CA161.md): Aeronca 11AC · Glendale, AZ · Accident · No injuries · Data collection · Final report · May 12, 2007 · N85835 · Substantial damage
  > The private pilot's unstabilized approach and failure to maintain directional control during the landing roll, which resulted in a ground loop. Also causal was the instructor's inadequate supervision and failure to take remedial action.
- [NTSB DFW06CA200](https://openairdocs.org/ntsb/DFW06CA200.md): Aeronca 11AC · Searcy, AR · Accident · No injuries · Data collection · Final report · Aug 23, 2006 · N9365E · Substantial damage
  > The student pilot's inadequate compensation for the existing wind conditions and the flight instructor's delayed remedial action to maintain directional control. A contributing factor was the crosswind.
- [NTSB MIA04LA096](https://openairdocs.org/ntsb/MIA04LA096.md): Aeronca 11AC · Williston, FL · Accident · Serious injuries · Limited investigation · Final report · Jun 13, 2004 · N85970 · Substantial damage
  > The pilot's failure to maintain airspeed (Vso) while maneuvering, which resulted in a stall/mush, an uncontrolled descent, and impact with terrain.
- [NTSB ATL04FA046](https://openairdocs.org/ntsb/ATL04FA046.md): Aeronca 11AC · San Antonio, FL · Accident · 1 fatal · Field investigation · Final report · Dec 5, 2003 · N9085F · Substantial damage
  > The pilot's failure to maintain clearance above objects on approach, which resulted in an in-flight collision with trees and the subsequent collision with terrain.
- [NTSB CHI03LA235](https://openairdocs.org/ntsb/CHI03LA235.md): Aeronca 11AC · Brighton, MI · Accident · No injuries · Limited investigation · Final report · Jul 29, 2003 · N86233 · Substantial damage
  > The pilot's directional control not possible resulting from the rudder control assembly separation during the landing. A factor was the construction vehicle that the airplane impacted.
- [NTSB CHI02LA057](https://openairdocs.org/ntsb/CHI02LA057.md): Aeronca 11AC · Lake Leelanau, MI · Accident · No injuries · Limited investigation · Final report · Jan 3, 2002 · N302AC · Substantial damage
  > The improper planning/decision in runway selection. The soft runway condition and wet snow were contributing factors.
- [NTSB ATL01LA113](https://openairdocs.org/ntsb/ATL01LA113.md): Aeronca 11AC · Punta Gorda, FL · Accident · No injuries · Limited investigation · Final report · Sep 9, 2001 · N4070E · Substantial damage
  > The pilot's improper flare which resulted in a hard landing and subsequent collapse of the landing gear..
- [NTSB NYC01LA118](https://openairdocs.org/ntsb/NYC01LA118.md): Aeronca 11AC · Brewer, ME · Accident · Minor injuries · Limited investigation · Final report · May 6, 2001 · N9267E · Substantial damage
  > The pilot's inadequate preflight preparation, which resulted in insufficient fuel in the forward tank and loss of engine power during the climb. Also causal, was the pilot's failure to maintain airspeed after the engine failure, which resulted in an…
- [NTSB MIA01LA135](https://openairdocs.org/ntsb/MIA01LA135.md): Aeronca 11AC · Greenville, SC · Accident · Minor injuries · Limited investigation · Final report · Apr 28, 2001 · N86217 · Substantial damage
  > The failure of the pilot to obtain the assistance of a person to act as a safety pilot while hand propping the engine with the airplane tied down. A factor in the accident was the failure of the tie down rope.
- [NTSB NYC00LA264](https://openairdocs.org/ntsb/NYC00LA264.md): Aeronca 11AC-991 · Gettysburg, PA · Accident · No injuries · Limited investigation · Final report · Sep 17, 2000 · N9354E · Substantial damage
  > The pilot's failure to maintain control of the airplane after landing which resulted in the inadvertent ground loop.
- [NTSB ANC00LA089](https://openairdocs.org/ntsb/ANC00LA089.md): Aeronca 11BC · Wasilla, AK · Accident · Minor injuries · Limited investigation · Final report · Jul 15, 2000 · N9359E · Substantial damage
  > A loss of engine power due to the pilot's failure to use carburetor heat, and an inadvertent stall. A factor associated with the accident was the existence of carburetor icing conditions.
- [NTSB ATL00LA067](https://openairdocs.org/ntsb/ATL00LA067.md): Aeronca 11AC · Tylertown, MS · Accident · No injuries · Limited investigation · Final report · Jun 23, 2000 · N85861 · Substantial damage
  > Loss of directional control due to separation of the tail-wheel spring assembly. A factor was the ditch which run adjacent to the runway.
- [NTSB CHI00LA099](https://openairdocs.org/ntsb/CHI00LA099.md): Aeronca 11AC · Ft. Leavenworth, KS · Accident · No injuries · Limited investigation · Final report · Mar 25, 2000 · N9570E · 2 aircraft · Substantial damage
  > the pilot of N51933 did not see and maintain clearance from N9570E. A factor associated with the accident was the pilot of N51933's restricted forward visibility during the landing due to the tailwheel configuration. An additional factor was the pilot of…
- [NTSB LAX00LA046](https://openairdocs.org/ntsb/LAX00LA046.md): Aeronca 11AC · Sedona, AZ · Accident · No injuries · Limited investigation · Final report · Nov 29, 1999 · N3933E · Substantial damage
  > The pilot's inadequate compensation for the crosswind conditions and subsequent failure to maintain directional control of the airplane.
- [NTSB FTW99LA267](https://openairdocs.org/ntsb/FTW99LA267.md): Aeronca 11AC · Van Horn, TX · Accident · No injuries · Limited investigation · Final report · Sep 9, 1999 · N9044E · Substantial damage
  > A restriction within the auxiliary fuel supply system and the rough terrain during the subsequent precautionary landing resulting on main gear collapse.
- [NTSB DEN99LA161](https://openairdocs.org/ntsb/DEN99LA161.md): Aeronca 11BC · Heber City, UT · Accident · No injuries · Limited investigation · Final report · Sep 1, 1999 · N86096 · Substantial damage
  > The pilot's failure to maintain aircraft control during takeoff roll. Factors were the gusting crosswind conditions, and the airport sign.
- [NTSB CHI99LA318](https://openairdocs.org/ntsb/CHI99LA318.md): Aeronca 11BC · Watervliet, MI · Accident · No injuries · Limited investigation · Final report · Aug 28, 1999 · N9404E · Substantial damage
  > the pilot not maintaining aircraft control during takeoff, and the pilot not correcting for the porpoise.

Next page: https://openairdocs.org/model/aeronca-11ac/ntsb.md?page=2

## 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_aircrafts.parquet' a JOIN 'https://openairdocs.org/data/latest/ntsb_case_detail.parquet' c ON c."mKey" = a.case_mkey
WHERE a.aircraft_model_code IN ('0191102')
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/model/aeronca-11ac/ntsb

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