# NTSB investigations: Cessna 421B, MI

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 CHI96LA028](https://openairdocs.org/ntsb/CHI96LA028.md): Cessna 421 · Romeo, MI · Accident · No injuries · Limited investigation · Final report · Nov 12, 1995 · N1588G · Substantial damage
  > the failure of the pilot to maintain sufficient airspeed during landing, causing the inadvertent stall. A factor was the icing conditions.
- [NTSB CHI95FA328](https://openairdocs.org/ntsb/CHI95FA328.md): Cessna 421B · Coldwater, MI · Accident · 1 fatal · Field investigation · Final report · Sep 21, 1995 · N14A · Destroyed
  > failure of the pilot to maintain adequate airspeed, while maneuvering (turning) at low altitude, which resulted in an inadvertent stall and collision with the terrain. Factors relating to the accident were: the adverse weather conditions, and the lack of…
- [NTSB CHI84LA064](https://openairdocs.org/ntsb/CHI84LA064.md): Cessna 421 · Harbor Springs, MI · Accident · No injuries · Limited investigation · Final report · Dec 17, 1983 · N7557Q · Substantial damage
  > The plt stated that an overboost occurred on the right eng during the takeoff roll. He pulled off power on both engs but the acft slid off the rwy into a snowbank.
- [NTSB CHI81DAMS2](https://openairdocs.org/ntsb/CHI81DAMS2.md): Cessna 421B · Muskegon, MI · Accident · 5 fatal · Closed · Dec 29, 1980 · N9394A · Destroyed
- [NTSB CHI81FEC06](https://openairdocs.org/ntsb/CHI81FEC06.md): Cessna 421B · Detroit, MI · Accident · Minor injuries · Closed · Nov 26, 1980 · N200SM · Destroyed
- [NTSB CHI79FEM16](https://openairdocs.org/ntsb/CHI79FEM16.md): Cessna 421B · Cadillac, MI · Accident · No injuries · Closed · Feb 28, 1979 · N699DT · Substantial damage
- [NTSB CHI74FEC30](https://openairdocs.org/ntsb/CHI74FEC30.md): Cessna 421B · Flint, MI · Accident · No injuries · Closed · Feb 12, 1974 · N5998M · 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" = 'MI' 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 ('2076014'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?model=2076014&state=MI

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