# NTSB investigations: Aeronca 11BC: Loss of control - in flight

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 CHI03FA301](https://openairdocs.org/ntsb/CHI03FA301.md): Aeronca 11BC · Colfax, WI · Accident · 1 fatal · Field investigation · Final report · Sep 7, 2003 · N4103E · Substantial damage
  > The pilot failed to maintain adequate airspeed while maneuvering which resulted in an inadvertent stall. A factor associated with the accident was the low altitude at which the pilot was maneuvering.
- [NTSB FTW84FA224](https://openairdocs.org/ntsb/FTW84FA224.md): Aeronca 11BC · Hamilton, TX · Accident · Serious injuries · Field investigation · Final report · May 13, 1984 · N4081E · Destroyed
  > The acft stalled at 1500-2000 ft AGL and collided with a fence and the ground during recovery attempts. The plt said theacft was intentionally stalled but the spin was not expected. The acft was estimated to be aprx 47 lbs over max gross weight. The flt had…

## 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 ('0191106')
    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" = 250))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?model=0191106&occurrence=250

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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.