# NTSB investigations: Aeronca 7AC, MD

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 IAD03LA041](https://openairdocs.org/ntsb/IAD03LA041.md): Aeronca CH-7A · Cumberland, MD · Accident · Serious injuries · Limited investigation · Final report · Mar 27, 2003 · N83519 · Substantial damage
  > The pilot/mechanic's failure to ensure the proper installation of the left wing's aft strut-to-spar attachment bolt, which resulted in a loss of control and a subsequent impact with terrain.
- [NTSB BFO89LA034](https://openairdocs.org/ntsb/BFO89LA034.md): Aeronca 7AC · Indian Head, MD · Accident · No injuries · Limited investigation · Final report · May 19, 1989 · N85715 · Substantial damage
  > Pilot failed to maintained directional control during recovery from a hard landing.
- [NTSB IAD77FIA20](https://openairdocs.org/ntsb/IAD77FIA20.md): Aeronca 7AC · Balalton, MD · Accident · Minor injuries · Closed · Jul 7, 1977 · N85226 · Substantial damage
- [NTSB UNK64X0332](https://openairdocs.org/ntsb/UNK64X0332.md): Aeronca 7AC · Westminister, MD · Accident · No injuries · Closed · Jan 23, 1964 · N1030E · Substantial damage

## 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."eventStateOrRegion" = 'MD' AND c."eventCountry" = 'USA'
  AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.aircraft_model_code IN ('2110102'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?model=2110102&state=MD

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