# NTSB investigations: Aeronca 7AC: Collision during takeoff/land

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 CEN20FA008](https://openairdocs.org/ntsb/CEN20FA008.md): Aeronca 7AC · Green Bay, WI · Accident · 2 fatal · Class 3 · Field · Final report · Oct 17, 2019 · N82308 · Substantial damage
  > The pilot’s low final approach path and his failure to see and avoid a truck traveling on a roadway, which resulted in a collision with the truck.
- [NTSB ERA12CA245](https://openairdocs.org/ntsb/ERA12CA245.md): Aeronca 7AC · Clearwater, FL · Accident · No injuries · Data collection · Final report · Mar 20, 2012 · N82406 · Substantial damage
  > The pilot's failure to maintain airplane control during takeoff and the flight instructor's inadequate supervision, which resulted in a runway excursion.
- [NTSB ERA12CA035](https://openairdocs.org/ntsb/ERA12CA035.md): American Champion 7AC · Berkley, MA · Accident · Serious injuries · Data collection · Final report · Oct 17, 2011 · N3662E · Substantial damage
  > The pilot did not maintain clearance from a tree during the final approach in solar glare conditions.
- [NTSB CEN09CA210](https://openairdocs.org/ntsb/CEN09CA210.md): Aeronca 7AC · Bagley, MN · Accident · No injuries · Data collection · Final report · Mar 15, 2009 · N1831E · Substantial damage
  > The pilot's delayed aborted takeoff, which resulted in the ski-equipped airplane running aground and striking trees. Contributing to the accident was the slush layer that had formed since the previous landing.

## 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 ('2110102')
    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" = '490' 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/490/sequence?model=2110102

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