# NTSB investigations, MI: Unknown or 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 CEN26LA285](https://openairdocs.org/ntsb/CEN26LA285.md): Staudacher Jon ZZ 102 · Vicksburg, MI · Accident · Serious injuries · Class 3 · Limited · Preliminary report · Aug 12, 2026 · N134ZZ · Substantial damage
  > On August 12, 2026, about 1906 eastern daylight time, a Staudacher ZZ 102 experimental airplane, N134ZZ, was substantially damaged when it was involved in an accident near Vicksburg, Michigan. The airline transport pilot and one passenger were seriously…
- [NTSB CEN24LA336](https://openairdocs.org/ntsb/CEN24LA336.md): Cessna 182D · Coopersville, MI · Accident · Class 4 · Limited · Final report · Aug 31, 2024 · N9020X · Substantial damage
  > The loss of airplane control while landing.
- [NTSB CEN24FA298](https://openairdocs.org/ntsb/CEN24FA298.md): DeGraw DeBird · Napoleon, MI · Accident · 1 fatal · Class 3 · Field · Final report · Aug 4, 2024 · N140DG · Substantial damage
  > Separation of the gyroplane’s tail due to main rotor blade contact for reasons that could not be determined.
- [NTSB CEN24LA249](https://openairdocs.org/ntsb/CEN24LA249.md): Rotorway 162 F · Maybee, MI · Accident · No injuries · Class 3 · Limited · Final report · Jul 4, 2024 · N426DM · Substantial damage
  > A partial loss of engine power for undetermined reasons.
- [NTSB CEN23FA361](https://openairdocs.org/ntsb/CEN23FA361.md): Mikoyan Gurevich MIG-23UB · Belleville, MI · Accident · Serious injuries · Class 3 · Field · Final report · Aug 13, 2023 · N23UB · Destroyed
  > A reported partial loss of engine power while maneuvering for reasons that could not be determined.
- [NTSB CEN22LA403](https://openairdocs.org/ntsb/CEN22LA403.md): Beech A36 · Houghton Lake, MI · Accident · No injuries · Class 3 · Limited · Final report · Aug 31, 2022 · N2270L · Substantial damage
  > A loss of engine power during cruise flight for undetermined reasons.
- [NTSB CEN21LA321](https://openairdocs.org/ntsb/CEN21LA321.md): Swann Lynn J Seawind 3000 · Charlevoix, MI · Accident · No injuries · Class 4 · Limited · Final report · Jul 3, 2021 · N8UU · Destroyed
  > The loss of engine power for undetermined reasons based on available evidence.
- [NTSB CEN21LA303](https://openairdocs.org/ntsb/CEN21LA303.md): Aeronca 15AC · Hastings, MI · Accident · No injuries · Class 3 · Limited · Final report · Jun 30, 2021 · N1175H · Substantial damage
  > A total loss of engine power for reasons that could not be determined based on the available information.
- [NTSB CEN20LA187](https://openairdocs.org/ntsb/CEN20LA187.md): Bell OH-58A · West Branch, MI · Accident · No injuries · Class 3 · Limited · Final report · May 20, 2020 · N153SA · Substantial damage
  > The pilot's failure to maintain rotor rpm during a precautionary autorotation, which resulted in a hard landing. Contributing to the accident was the airframe vibration for reasons that could not be determined because examination of the helicopter revealed no…
- [NTSB CEN20LA017](https://openairdocs.org/ntsb/CEN20LA017.md): Socata TB 30 Epsilon · Kalamazoo, MI · Accident · Serious injuries · Class 3 · Limited · Final report · Nov 1, 2019 · N50TB · Substantial damage
  > A total loss of engine power for undetermined reasons, which resulted in an aerodynamic stall during the pilot’s attempted forced landing at low altitude and impact with terrain.
- [NTSB CEN19LA297](https://openairdocs.org/ntsb/CEN19LA297.md): Piper J3C · Independence Charter Township, MI · Accident · Serious injuries · Class 3 · Limited · Final report · Sep 2, 2019 · N98278 · Substantial damage
  > The reduction in climb performance for reasons that could not be determined. Contributing to the accident was the pilot’s failure to maintain control of the airplane after the loss of performance.
- [NTSB CEN19LA051](https://openairdocs.org/ntsb/CEN19LA051.md): Piper PA 23 · Beaver Island, MI · Accident · 1 fatal · Limited investigation · Final report · Dec 31, 2018 · N2146P · Destroyed
  > The pilot's failure to maintain a positive rate of climb after takeoff which resulted in an impact with trees and terrain. Contributing to the accident was the pilot's inability to see a visible horizon due to the dark night lighting conditions and limited…
- [NTSB CEN16FA240](https://openairdocs.org/ntsb/CEN16FA240.md): Aeronca 11AC · Frankenmuth, MI · Accident · 2 fatal · Field investigation · Final report · Jul 3, 2016 · N86078 · Destroyed
  > The pilot's loss of control for undetermined reasons based on available information.
- [NTSB CEN15LA185](https://openairdocs.org/ntsb/CEN15LA185.md): Giackino Donald W Rotorway 162F · Marquette, MI · Accident · No injuries · Limited investigation · Final report · Mar 28, 2015 · N556DG · Substantial damage
  > The loss of helicopter control for reasons that could not be determined based on the available evidence.
- [NTSB CEN10CA325](https://openairdocs.org/ntsb/CEN10CA325.md): Cessna 172 · Traverse City, MI · Accident · No injuries · Data collection · Final report · Jun 15, 2010 · N52519 · Substantial damage
  > Damage to the firewall for undetermined reasons.

## 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 s.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' s WHERE s."tier2Number" = '000' 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/000/sequence?state=MI

---
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.