# NTSB investigations: Lycoming IO-320 series, 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 CEN25LA361](https://openairdocs.org/ntsb/CEN25LA361.md): Piper PA-30 · Caro, MI · Accident · No injuries · Class 4 · Limited · Final report · Sep 2, 2025 · N26RJ · Substantial damage
  > The pilot’s failure to remove the tow bar before flight.
- [NTSB CEN20LA399](https://openairdocs.org/ntsb/CEN20LA399.md): Vans RV9 · Zeeland, MI · Accident · 2 fatal · Class 3 · Limited · Final report · Sep 19, 2020 · N94KJ · Destroyed
  > The pilot’s failure to maintain airspeed during a visual approach in dark night conditions, which resulted in an aerodynamic stall and loss of airplane control. Contributing to the accident was the pilot’s lack of recent flight experience at night.
- [NTSB CEN09LA512](https://openairdocs.org/ntsb/CEN09LA512.md): Hooper James A Bushby MUS · Gladwin, MI · Accident · 1 fatal · Limited investigation · Final report · Aug 7, 2009 · N37JD · Destroyed
  > The pilot's failure to maintain aircraft control for undetermined reasons.
- [NTSB CHI03LA039](https://openairdocs.org/ntsb/CHI03LA039.md): Piper PA-30 · Jackson, MI · Accident · Serious injuries · Limited investigation · Final report · Dec 15, 2002 · N948SB · Substantial damage
  > The pilot's failure to follow the checklist and extend the landing gear resulting in a gear up landing.
- [NTSB CHI91LA165](https://openairdocs.org/ntsb/CHI91LA165.md): Piper PA-30 · Big Rapids, MI · Accident · No injuries · Limited investigation · Final report · May 23, 1991 · N7209Y · Substantial damage
  > Excessive application of the flight controls by the student pilot. A factor related to the accident is delayed remedial action by the flight instructor.
- [NTSB CHI90FAMS2](https://openairdocs.org/ntsb/CHI90FAMS2.md): Piper PA-30B · Charlevoix, MI · Accident · 2 fatal · Missing aircraft · Final report · Apr 20, 1990 · N8333Y · Destroyed
  > The probable cause of this accident is undetermined.
- [NTSB CHI88DEM08](https://openairdocs.org/ntsb/CHI88DEM08.md): Champion 7KCAB · Grand Haven, MI · Accident · No injuries · Final report · Aug 13, 1988 · N5124T · Substantial damage
  > The pilot's inattentive fuel system monitoring, and the resultant total failure of the aircraft's powerplant due to fuel exhaustion. A forced landing was executed on a stretch of beach with sand dunes, and the aircraft was substantially damaged during the…
- [NTSB CHI87LA175](https://openairdocs.org/ntsb/CHI87LA175.md): Piper PA-30 · Bad Axe, MI · Accident · No injuries · Limited investigation · Final report · Jul 20, 1987 · N8049Y · Substantial damage
  > During a demonstration of an aborted takeoff, the 'power was cut' after the aircraft accelerated to about 75 mph. At about that time, the aircraft encountered a gust of wind and became airborne. A power recovery was initiated, but the aircraft touched down in…
- [NTSB CHI86MA216](https://openairdocs.org/ntsb/CHI86MA216.md): Boeing 737-222 · Lansing, MI · Incident · No injuries · Major investigation · Final report · Aug 30, 1986 · N749N · 2 aircraft · No damage
  > Piedmont flt PI255 (a Boeing 737, N749N) was dscndg in visual conds on an IFR clnc when it & a twin commanche (Piper PA-30, N7399Y) converged & passed within a rprtd 50 to 100 ft of each other. The near collision occurred as the PA-30 was cruising westbound…
- [NTSB CHI81FEC21](https://openairdocs.org/ntsb/CHI81FEC21.md): Piper PA-30 · Ann Arbor, MI · Accident · Minor injuries · Closed · Apr 14, 1981 · N7755Y · Destroyed
- [NTSB CHI80FEM12](https://openairdocs.org/ntsb/CHI80FEM12.md): Piper PA-30 · Lansing, MI · Accident · No injuries · Closed · Jan 9, 1980 · N7166Y · Substantial damage
- [NTSB CHI79FEM31](https://openairdocs.org/ntsb/CHI79FEM31.md): Piper PA-30 · Kalamazoo, MI · Accident · No injuries · Closed · Jul 23, 1979 · N8173Y · Substantial damage
- [NTSB CHI78FEC15](https://openairdocs.org/ntsb/CHI78FEC15.md): Piper PA-30 · Pontiac, MI · Accident · No injuries · Closed · Feb 10, 1978 · N7185Y · Substantial damage
- [NTSB CHI76FEC45](https://openairdocs.org/ntsb/CHI76FEC45.md): Piper PA-30 · S Lyon, MI · Accident · No injuries · Closed · Jun 3, 1976 · N8173Y · Substantial damage
- [NTSB CHI74FEM67](https://openairdocs.org/ntsb/CHI74FEM67.md): Piper PA-30 · Freeland, MI · Accident · No injuries · Closed · Jun 26, 1974 · N7745Y · Substantial damage
- [NTSB CHI74FEC06](https://openairdocs.org/ntsb/CHI74FEC06.md): Piper PA-30 · Dansville, MI · Accident · No injuries · Closed · Sep 2, 1973 · N7968Y · Substantial damage
- [NTSB CHI74 EM04](https://openairdocs.org/ntsb/CHI74%20EM04.md): Piper PA-30 · West Branch, MI · Accident · No injuries · Closed · Jul 15, 1973 · N7991Y · Substantial damage
- [NTSB CHI72FEM04](https://openairdocs.org/ntsb/CHI72FEM04.md): Piper PA-30 · Freeland, MI · Accident · No injuries · Closed · Jul 24, 1971 · N7968Y · Substantial damage
- [NTSB CHI71FBJ71](https://openairdocs.org/ntsb/CHI71FBJ71.md): Piper PA-30 · Lansing, MI · Accident · No injuries · Closed · Apr 25, 1971 · N8385Y · Substantial damage
- [NTSB CHI71FBJ18](https://openairdocs.org/ntsb/CHI71FBJ18.md): Piper PA-30 · Pellston, MI · Accident · No injuries · Closed · Aug 5, 1970 · N7281Y · Substantial damage
- [NTSB CHI70AC085](https://openairdocs.org/ntsb/CHI70AC085.md): Cessna 182 · Edenville, MI · Accident · No injuries · Closed · May 31, 1970 · N3551Y · 2 aircraft · Minor damage
- [NTSB CHI70FBJ28](https://openairdocs.org/ntsb/CHI70FBJ28.md): Piper PA-30 · Charlotte, MI · Accident · No injuries · Closed · May 26, 1970 · N7863Y · Substantial damage
- [NTSB CHI70F0391](https://openairdocs.org/ntsb/CHI70F0391.md): Piper PA-30 · Grand Rapids, MI · Accident · No injuries · Closed · Dec 6, 1969 · N8120Y · Substantial damage
- [NTSB CHI70F0359](https://openairdocs.org/ntsb/CHI70F0359.md): Piper PA-30 · Harrison, MI · Accident · No injuries · Closed · Nov 30, 1969 · N7342Y · Substantial damage
- [NTSB CHI70F0051](https://openairdocs.org/ntsb/CHI70F0051.md): Mong Sport · Schoolcraft, MI · Accident · No injuries · Closed · Jun 7, 1969 · N911S · Substantial damage
- [NTSB CHI69F0551](https://openairdocs.org/ntsb/CHI69F0551.md): Piper PA-30 · Birmingham, MI · Accident · No injuries · Closed · Mar 13, 1969 · N7300Y · Substantial damage
- [NTSB CHI68F0461](https://openairdocs.org/ntsb/CHI68F0461.md): Piper PA-30 · Traverse Cty, MI · Accident · No injuries · Closed · Nov 12, 1967 · N8030Y · Substantial damage
- [NTSB CHI68F0329](https://openairdocs.org/ntsb/CHI68F0329.md): Piper PA-30 · Freeland, MI · Accident · No injuries · Closed · Sep 12, 1967 · N7916Y · Substantial damage
- [NTSB CHI67F0556](https://openairdocs.org/ntsb/CHI67F0556.md): Piper PA-30 · Birmingham, MI · Accident · No injuries · Closed · Mar 6, 1967 · N7044Y · 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.engine_model_code IN ('41509'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=41509&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.