# NTSB investigations, MI: Undetermined

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 CHI07FA279](https://openairdocs.org/ntsb/CHI07FA279.md): Socata TB-20 Trinidad · Pointe Aux Pins, MI · Accident · 2 fatal · Field investigation · Final report · Aug 24, 2007 · N96DF · Substantial damage
  > Undetermined.
- [NTSB CHI05FA063](https://openairdocs.org/ntsb/CHI05FA063.md): Beech BE-58 · Niles, MI · Accident · 4 fatal · Field investigation · Final report · Feb 4, 2005 · N12AZ · Destroyed
  > The steep nose down descent from cruise for undetermined reasons and the subsequent collision with terrain in a steep nose down attitude.
- [NTSB CHI01LA236](https://openairdocs.org/ntsb/CHI01LA236.md): Champion 7KCAB · Brooklyn, MI · Accident · Serious injuries · Limited investigation · Final report · Jul 22, 2001 · N7537F · Substantial damage
  > The forced landing for undetermined reasons. A factor to the accident was the corn crop.
- [NTSB CHI97FAMS2](https://openairdocs.org/ntsb/CHI97FAMS2.md): Beech 95-C55 · Grand Haven, MI · Accident · 2 fatal · Missing aircraft · Final report · Apr 21, 1997 · N242BS · Destroyed
  > undetermined.
- [NTSB CHI90LA280](https://openairdocs.org/ntsb/CHI90LA280.md): Piper PA-22-150 · Engadine, MI · Accident · 1 fatal · Limited investigation · Final report · Dec 2, 1989 · N2440P · Substantial damage
  > A collision with trees and the terrain for undetermined reasons.
- [NTSB CHI85FA351](https://openairdocs.org/ntsb/CHI85FA351.md): Cessna 404 · South Lyon, MI · Accident · 1 fatal · Field investigation · Final report · Aug 16, 1985 · N404EX · Destroyed
  > The acft took off and climbed to 5000 ft uneventfully. It then dropped off radar and subsequently impacted the ground in a flat upright attitude. A post-crash fire consumed the majority of the airframe. Eng and prop teardowns indicated no abnormalities and…

## 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 o.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_occurrences.parquet' o WHERE o."occurrenceNumber" = 1 AND o."occurrenceCode" = 400)
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?occurrence=400&state=MI

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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.