# NTSB investigations: Aeronca 7EC: Loss of control - on ground/water

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 LAX05CA096](https://openairdocs.org/ntsb/LAX05CA096.md): Aeronca 7EC · Grass Valley, CA · Accident · No injuries · Data collection · Final report · Feb 14, 2005 · N4725E · Substantial damage
  > the pilot's failure to maintain directional control.
- [NTSB SEA03LA088](https://openairdocs.org/ntsb/SEA03LA088.md): Aeronca 7EC · Oregon City, OR · Accident · No injuries · Limited investigation · Final report · May 24, 2003 · N4712E · Substantial damage
  > The student pilot's failure to maintain aircraft control during the landing roll. A tailwind and gusting conditions were factors.
- [NTSB CHI01LA323](https://openairdocs.org/ntsb/CHI01LA323.md): Aeronca 7EC · Clear Lake, MN · Accident · No injuries · Limited investigation · Final report · Sep 25, 2001 · N81910 · Substantial damage
  > The pilot not maintaining directional control of the airplane during the takeoff. A factor was the soybean crop.
- [NTSB NYC96LA112](https://openairdocs.org/ntsb/NYC96LA112.md): Aeronca 7EC · New Castle, PA · Accident · No injuries · Limited investigation · Final report · May 21, 1996 · N1536E · Substantial damage
  > the pilot's failure to maintain directional control during the landing roll, which resulted in a ground swerve and an encounter with high grass and a ditch off the side of the runway.
- [NTSB LAX89LA031](https://openairdocs.org/ntsb/LAX89LA031.md): Aeronca 7EC · Saint Helena, CA · Accident · No injuries · Limited investigation · Final report · Nov 2, 1988 · N4722E · Substantial damage
  > The pilot reported that after completing a three point landing, the airplane began to oscillate. He was unable to maintain directional control. Subsequently, the airplane went off the runway and nosed over in soft dirt. No mechanical failure or malfunction of…

## 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 ('2110120')
    AND EXISTS (SELECT 1 FROM 'https://openairdocs.org/data/latest/ntsb_occurrences.parquet' o WHERE o.case_mkey = x.case_mkey AND o.aircrafts_position = x.position AND o."occurrenceNumber" = 1 AND o."occurrenceCode" = 260))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?model=2110120&occurrence=260

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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.
