# Fatal NTSB investigations: Aero Commander 720

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 ATL89FA054](https://openairdocs.org/ntsb/ATL89FA054.md): Aero Commander 720 · Alcoa, TN · Accident · 2 fatal · Field investigation · Final report · Dec 9, 1988 · N120G · Destroyed
  > After encountering icing conditions in flight and experiencing problems maintaining altitudes and headings, the pilot elected to divert from his planned destination of dayton, oh to knoxville, TN. While on final approach after descending 1300 ft below minimum…
- [NTSB CHI77FA063](https://openairdocs.org/ntsb/CHI77FA063.md): Aero Comdr 720 · Wausau, WI · Accident · 3 fatal · Closed · Aug 4, 1977 · N688R · Destroyed
- [NTSB SEA69A0042](https://openairdocs.org/ntsb/SEA69A0042.md): Aero Cmdr 720 · Klamath Rvr, CA · Accident · 1 fatal · Closed · Jan 18, 1969 · N8431C · Destroyed

## 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."highestInjuryLevel" = 'Fatal'
  AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.aircraft_model_code IN ('0141802'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?fatal=1&model=0141802

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