# NTSB investigations: Stinson 108-3: Collision with terr/obj (non-CFIT)

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 CEN26LA087](https://openairdocs.org/ntsb/CEN26LA087.md): Stinson 108-3 · Gypsum, CO · Accident · Minor injuries · Class 3 · Limited · Preliminary report · Jan 11, 2026 · N6725M · Substantial damage
  > On January 11, 2026, at 1408 mountain standard time, a Stinson 108-3 airplane, N6725M, sustained substantial damage when it was involved in an accident near Gypsum, Colorado. The pilot sustained minor injuries. The airplane was operated as a Title 14 Code of…
- [NTSB ERA22LA333](https://openairdocs.org/ntsb/ERA22LA333.md): Stinson 108 · Batesburg, SC · Accident · No injuries · Class 3 · Limited · Final report · Jul 23, 2022 · N6020M · Substantial damage
  > The fatigue failure of the crankshaft gear, resulting in a total loss of engine power.
- [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 ANC19TA055](https://openairdocs.org/ntsb/ANC19TA055.md): Stinson 108 · Tyonek, AK · Accident · Serious injuries · Class 4 · Final report · Sep 26, 2019 · N6533M · Substantial damage
  > The pilot’s exceedance of the airplane’s critical angle of attack during a short field takeoff, which resulted in an aerodynamic stall and loss of control.
- [NTSB WPR19LA207](https://openairdocs.org/ntsb/WPR19LA207.md): Stinson 108 · Klamath Falls, OR · Accident · No injuries · Class 3 · Limited · Final report · Jul 9, 2019 · N6642M · Substantial damage
  > The mechanic’s failure to identify an engine performance issue, which led to a partial loss of engine power. Contributing to the accident was the pilot’s decision to operate the airplane with a known mechanical deficiency.
- [NTSB WPR19LA179](https://openairdocs.org/ntsb/WPR19LA179.md): Stinson 108 · Caldwell, ID · Accident · Minor injuries · Class 3 · Limited · Final report · Jun 27, 2019 · N6116M · Substantial damage
  > A total loss of engine power during approach due to a failed piston. The reason for the piston failure could not be determined based on the available information.
- [NTSB GAA18CA237](https://openairdocs.org/ntsb/GAA18CA237.md): Stinson 108 · Eliza Island, WA · Accident · Minor injuries · Data collection · Final report · Apr 27, 2018 · N6933M · Substantial damage
  > The pilot’s exceedance of the airplane’s critical angle of attack during takeoff, which resulted in an aerodynamic stall.
- [NTSB GAA17CA033](https://openairdocs.org/ntsb/GAA17CA033.md): Stinson 108 3 · Boulder City, NV · Accident · Minor injuries · Data collection · Final report · Oct 19, 2016 · N818C · Substantial damage
  > The pilot’s failure to ensure that the aerial pickup towline was not entangled around the horizontal stabilizer after the banner pickup.
- [NTSB GAA15LA265](https://openairdocs.org/ntsb/GAA15LA265.md): Stinson 108 · Palmer, AK · Accident · Serious injuries · Limited investigation · Final report · Sep 20, 2015 · N6066M · Substantial damage
  > The pilot's failure to maintain adequate airspeed and his exceedance of the airplane’s critical angle-of-attack during final approach to landing, which resulted in an aerodynamic stall and impact with terrain.
- [NTSB WPR15LA223](https://openairdocs.org/ntsb/WPR15LA223.md): Stinson 108 - 3 · North Las Vegas, NV · Accident · No injuries · Limited investigation · Final report · Jul 25, 2015 · N6152M · Substantial damage
  > The partial loss of engine power due to a degraded cylinder exhaust valve seal, which resulted in low cylinder compression.
- [NTSB CEN13LA305](https://openairdocs.org/ntsb/CEN13LA305.md): Stinson 108-3 · Beaumont, TX · Accident · Minor injuries · Limited investigation · Final report · May 23, 2013 · N121CM · Substantial damage
  > The lack of a forward clamp on the carburetor heat box rubber boot, which allowed the boot to be ingested into the inlet of the carburetor heat box, restricting the airflow and leading to a subsequent partial loss of engine power.
- [NTSB WPR12LA283](https://openairdocs.org/ntsb/WPR12LA283.md): Stinson 108 · Stanley, ID · Accident · Serious injuries · Limited investigation · Final report · Jun 30, 2012 · N773C · Substantial damage
  > The pilot’s inadequate preflight planning and decision to takeoff at a density altitude outside of the airplane’s takeoff performance envelope, with a tailwind, and near the airplane’s maximum gross weight, which resulted in the airplane’s inability to climb…
- [NTSB WPR10CA391](https://openairdocs.org/ntsb/WPR10CA391.md): Stinson 108-3 · Bridgeport, CA · Accident · Minor injuries · Data collection · Final report · Aug 8, 2010 · N230SS · Substantial damage
  > The pilot’s failure to maintain directional control during the landing roll.
- [NTSB WPR10LA072](https://openairdocs.org/ntsb/WPR10LA072.md): Stinson 108-3 · Clarksburg, CA · Accident · No injuries · Limited investigation · Final report · Dec 4, 2009 · N6649M · Substantial damage
  > The pilot’s improper touchdown point and excessive airspeed during landing, which resulted in a runway overrun.
- [NTSB ANC08CA043](https://openairdocs.org/ntsb/ANC08CA043.md): Stinson 108 · Chugiak, AK · Accident · Minor injuries · Data collection · Final report · Mar 14, 2008 · N6827M · Substantial damage
  > The reversal of the aileron control cables by maintenance personnel, and the pilot's inadequate preflight inspection.

## 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."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.aircraft_model_code IN ('9230408')
    AND EXISTS (SELECT 1 FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' s WHERE s.case_mkey = x.case_mkey AND s.aircrafts_position = x.position AND s."tier2Number" = '470' 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/470/sequence?model=9230408

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