# NTSB investigations: Aeronca 11AC: Collision with terr/obj (non-CFIT)

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 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 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 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 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 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 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 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 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" = '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
```

This list as a web page: https://openairdocs.org/ntsb-events/470/sequence?model=0191102

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