# NTSB investigations: Franklin 6A4165 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 CEN20LA377](https://openairdocs.org/ntsb/CEN20LA377.md): Stinson 108-3 · Coleman, MI · Accident · No injuries · Class 3 · Limited · Final report · Sep 1, 2020 · N909C · Substantial damage
  > The pilot’s improper installation of the generator drive gear, which resulted in a total loss of engine power.
- [NTSB CEN17LA057](https://openairdocs.org/ntsb/CEN17LA057.md): Stinson 108-3 · Ionia, MI · Accident · No injuries · Limited investigation · Final report · Dec 16, 2016 · N812C · Substantial damage
  > A failure of the aft support cable on the left main landing ski due to an inadequately formed nicopress sleeve, which allowed the ski to rotate into a vertical position shortly after liftoff, and its unavoidable separation during the subsequent landing.
- [NTSB CHI05LA013](https://openairdocs.org/ntsb/CHI05LA013.md): Stinson 108-2 · Indian River, MI · Accident · Serious injuries · Limited investigation · Final report · Oct 21, 2004 · N425C · Substantial damage
  > Loss of engine power during initial climb after takeoff for undetermined reasons. A contributing factor was the unsuitable terrain for a forced landing encountered by the pilot and the airplane's low altitude at the time engine power was lost.
- [NTSB CHI96LA138](https://openairdocs.org/ntsb/CHI96LA138.md): Stinson 108-3 · Pontiac, MI · Accident · No injuries · Limited investigation · Final report · Apr 5, 1996 · N6179M · Substantial damage
  > failure of the pilot to maintain control of the airplane during the landing roll. A factor relating to the accident was: the crosswind condition.
- [NTSB CHI94LA201](https://openairdocs.org/ntsb/CHI94LA201.md): Aeronca 15AC · Napoleon, MI · Accident · Serious injuries · Limited investigation · Final report · Jun 17, 1994 · N5114Y · Substantial damage
  > a loss of engine power for unknown reasons. A factor related tot he accident were the trees encountered.
- [NTSB CHI85LA272](https://openairdocs.org/ntsb/CHI85LA272.md): Stinson 108-2 · Hastings, MI · Accident · No injuries · Limited investigation · Final report · Jul 5, 1985 · N9306K · Destroyed
  > The purpose of the flight was to break in the newly overhauled engine. The pilot stated that he had been flying around the local area for about 25 minutes when he heard a clank and the engine lost complete power. The pilot determined that a tree landing was…
- [NTSB CHI83LA046](https://openairdocs.org/ntsb/CHI83LA046.md): Stinson 108 · Milan, MI · Accident · No injuries · Limited investigation · Final report · Nov 21, 1982 · N8836K · Substantial damage
  > While on downwind the pilot stated he "pulled the carburator heat on and almost immediately reduced the power." At this point the engine stopped. Although he attempted to restart the engine while executing emergency procedures, the engine failed to respond.…
- [NTSB CHI81DEM19](https://openairdocs.org/ntsb/CHI81DEM19.md): Stinson 108-3 · Midland, MI · Accident · Minor injuries · Closed · Jun 11, 1981 · N676C · Substantial damage
- [NTSB CHI78FEC19](https://openairdocs.org/ntsb/CHI78FEC19.md): Stinson 108-3 · Fraser, MI · Accident · No injuries · Closed · Feb 19, 1978 · N6042M · Substantial damage
- [NTSB CHI76FEC64](https://openairdocs.org/ntsb/CHI76FEC64.md): Stinson 108-3 · Deckerville, MI · Accident · No injuries · Closed · Sep 18, 1976 · N6108M · Substantial damage
- [NTSB CHI76FEM58](https://openairdocs.org/ntsb/CHI76FEM58.md): Stinson 108-3 · Cedar Springs, MI · Accident · No injuries · Closed · Sep 5, 1976 · N6580M · Substantial damage
- [NTSB CHI75FEC07](https://openairdocs.org/ntsb/CHI75FEC07.md): Stinson 108 · Dansville, MI · Accident · No injuries · Closed · Jul 29, 1974 · N9805K · Substantial damage
- [NTSB CHI74DEM42](https://openairdocs.org/ntsb/CHI74DEM42.md): Stinson 108 · Grant, MI · Accident · Minor injuries · Closed · Mar 19, 1974 · N97226 · Substantial damage
- [NTSB CHI73FEC18](https://openairdocs.org/ntsb/CHI73FEC18.md): Stinson 108-3 · Brighton, MI · Accident · No injuries · Closed · Dec 17, 1972 · N6769M · Substantial damage
- [NTSB CHI71FEM82](https://openairdocs.org/ntsb/CHI71FEM82.md): Stinson 108-3 · Wayland, MI · Accident · No injuries · Closed · May 23, 1971 · N717C · Substantial damage
- [NTSB CHI71FBJ32](https://openairdocs.org/ntsb/CHI71FBJ32.md): Stinson 108-2 · Greenville, MI · Accident · Minor injuries · Closed · Oct 7, 1970 · N9418K · Substantial damage
- [NTSB CHI71FDW07](https://openairdocs.org/ntsb/CHI71FDW07.md): Stinson 108-3 · Drayton Plns, MI · Accident · No injuries · Closed · Jul 13, 1970 · N6208M · Substantial damage
- [NTSB CHI70FDW14](https://openairdocs.org/ntsb/CHI70FDW14.md): Stinson 108-3 · Flushing, MI · Accident · No injuries · Closed · May 20, 1970 · N712C · Substantial damage
- [NTSB CHI69F0024](https://openairdocs.org/ntsb/CHI69F0024.md): Stinson 108-3 · Petersburg, MI · Accident · No injuries · Closed · Jun 24, 1968 · N6428M · Substantial damage
- [NTSB CHI69F0026](https://openairdocs.org/ntsb/CHI69F0026.md): Stinson 108-3 · Flushing, MI · Accident · Minor injuries · Closed · Jun 15, 1968 · N980C · Substantial damage
- [NTSB CHI68F0765](https://openairdocs.org/ntsb/CHI68F0765.md): Stinson 108-3 · Belleville, MI · Accident · No injuries · Closed · May 17, 1968 · N4120C · Substantial damage
- [NTSB CHI68F0208](https://openairdocs.org/ntsb/CHI68F0208.md): Stinson 108-3 · Flushing, MI · Accident · No injuries · Closed · Aug 28, 1967 · N712C · Substantial damage
- [NTSB CHI66F0215](https://openairdocs.org/ntsb/CHI66F0215.md): Stinson 108 · St Helen, MI · Accident · No injuries · Closed · Aug 30, 1965 · N97226 · Substantial damage
- [NTSB CHI66F0110](https://openairdocs.org/ntsb/CHI66F0110.md): Stinson 108-2 · Freeland, MI · Accident · No injuries · Closed · Jun 11, 1965 · N9344K · Substantial damage
- [NTSB CHI65F0164](https://openairdocs.org/ntsb/CHI65F0164.md): Stinson 108-2 · Holland, MI · Accident · No injuries · Closed · May 15, 1965 · N8052K · 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 ('27025'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=27025&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.