# NTSB investigations: Franklin 6A4150 series

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.

Page 1 of 9 · 421 cases

## Latest cases

- [NTSB WPR26LA313](https://openairdocs.org/ntsb/WPR26LA313.md): Stinson 108-1 · Joseph, OR · Accident · No injuries · Class 4 · Limited · Investigation open · Aug 22, 2026 · N8391K · Substantial damage
- [NTSB CEN25LA243](https://openairdocs.org/ntsb/CEN25LA243.md): Stinson 108 · Seguin, TX · Accident · Serious injuries · Class 4 · Limited · Final report · Jul 8, 2025 · N97577 · No damage
  > The pilot’s failure to turn off the magneto switch before repositioning the propeller by hand which resulted in an inadvertent engine start.
- [NTSB ANC25LA052](https://openairdocs.org/ntsb/ANC25LA052.md): Stinson 108 · Cantwell, AK · Accident · Minor injuries · Class 3 · Limited · Preliminary report · Jun 14, 2025 · N2101Q · Substantial damage
  > On June 14, 2025, about 1415 Alaska daylight time, a Stinson 108 airplane, N2101Q, was substantially damaged when it was involved in an accident near Cantwell, Alaska. The pilot and passenger sustained minor injuries. The airplane was operated as a Title 14…
- [NTSB CEN25FA194](https://openairdocs.org/ntsb/CEN25FA194.md): Universal Stinson 108 · Farmington, NC · Accident · 2 fatal · Class 3 · Field · Preliminary report · Jun 3, 2025 · N40158 · Substantial damage
  > On June 3, 2025, about 1145 eastern daylight time, a Universal Stinson 108 airplane, N40518 was destroyed when it was involved in an accident near Farmington, North Carolina. The pilot and one passenger were fatally injured, and one passenger was seriously…
- [NTSB ERA24LA201](https://openairdocs.org/ntsb/ERA24LA201.md): Stinson 108 · Beach City, OH · Accident · No injuries · Class 4 · Limited · Final report · Apr 25, 2024 · N97517 · Substantial damage
  > A total loss of engine power due to the due to the pilot’s delayed application of carburetor heat.
- [NTSB ANC24LA020](https://openairdocs.org/ntsb/ANC24LA020.md): Stinson 108 · Houston, AK · Accident · Minor injuries · Class 4 · Limited · Final report · Mar 15, 2024 · N9041K · Substantial damage
  > A total loss of engine power due to fuel starvation and the pilot's mismanagement of the available fuel.
- [NTSB WPR23LA359](https://openairdocs.org/ntsb/WPR23LA359.md): Stinson 108-1 · San Diego, CA · Accident · No injuries · Class 4 · Limited · Final report · Sep 27, 2023 · N9128K · Substantial damage
  > The pilot’s failure to maintain directional control during landing in gusty wind conditions that resulted in a ground loop.
- [NTSB ANC23LA051](https://openairdocs.org/ntsb/ANC23LA051.md): Stinson 108 · Ninilchik, AK · Accident · No injuries · Class 3 · Limited · Final report · Jul 13, 2023 · N97719 · Substantial damage
  > A partial loss of engine power due to failure of the No. 1 cylinder intake valve head.
- [NTSB WPR23LA271](https://openairdocs.org/ntsb/WPR23LA271.md): Stinson 108-1 · Burlington, WA · Accident · No injuries · Class 4 · Limited · Final report · Jul 11, 2023 · N8889K · Substantial damage
  > The pilot’s failure to maintain directional control during the landing roll with a quartering tailwind.
- [NTSB WPR23LA109](https://openairdocs.org/ntsb/WPR23LA109.md): Stinson 108-1 · Morgan, UT · Accident · No injuries · Class 4 · Limited · Final report · Feb 12, 2023 · N8135K · Substantial damage
  > The pilot’s failure to maintain directional control during landing.
- [NTSB ERA22LA353](https://openairdocs.org/ntsb/ERA22LA353.md): Stinson 108-1 · Columbus, OH · Accident · No injuries · Class 4 · Limited · Final report · Jul 30, 2022 · N9162K · Substantial damage
  > The pilot’s improper landing flare, which resulted in a bounced landing and a collapse of the left main landing gear.
- [NTSB CEN22LA012](https://openairdocs.org/ntsb/CEN22LA012.md): Stinson 108 · Wildwood, AR · Accident · Serious injuries · Class 3 · Limited · Final report · Oct 8, 2021 · N677JD · Substantial damage
  > A total loss of engine power for reasons that could not be determined.
- [NTSB ANC21LA068](https://openairdocs.org/ntsb/ANC21LA068.md): Stinson 108-1 · Sterling, AK · Accident · No injuries · Class 3 · Limited · Final report · Aug 2, 2021 · N8656K · Substantial damage
  > Insufficient available power as a result of low compression in three engine cylinders. Contributing to the accident was the pilot’s decision to takeoff with a slight quartering tailwind.
- [NTSB WPR21LA289](https://openairdocs.org/ntsb/WPR21LA289.md): Stinson 108-1 · Bozeman, MT · Accident · Minor injuries · Class 4 · Limited · Final report · Jul 25, 2021 · N8844K · Substantial damage
  > The pilot’s failure to maintain directional control during landing which resulted in a ground loop.
- [NTSB WPR20CA168](https://openairdocs.org/ntsb/WPR20CA168.md): Stinson 108 · Yakima, WA · Accident · No injuries · Class 4 · Data collection · Final report · Jun 4, 2020 · N87607 · Substantial damage
  > The pilot's failure to maintain directional control of the airplane during an aborted landing, which resulted in a ground loop, runway excursion, and subsequent nose over.
- [NTSB GAA19CA522](https://openairdocs.org/ntsb/GAA19CA522.md): Stinson 108 · Bandera, WA · Accident · No injuries · Data collection · Final report · Sep 1, 2019 · N97699 · Substantial damage
  > The pilot's selection of unsuitable terrain for a simulated rejected takeoff, which resulted in a runway overrun and noseover.
- [NTSB CEN19LA060](https://openairdocs.org/ntsb/CEN19LA060.md): Stinson 108 · Keshena, WI · Accident · Serious injuries · Class 3 · Limited · Final report · Jan 19, 2019 · N97969 · Substantial damage
  > A total loss of engine power during cruise flight for undetermined reasons, which resulted in a forced landing and subsequent impact with trees.
- [NTSB GAA18CA238](https://openairdocs.org/ntsb/GAA18CA238.md): Stinson 108 · Spokane, WA · Accident · No injuries · Data collection · Final report · Apr 28, 2018 · N35VM · Substantial damage
  > The pilot’s failure to maintain directional control during landing.
- [NTSB GAA18CA165](https://openairdocs.org/ntsb/GAA18CA165.md): Bellanca 1413 · Anacortes, WA · Accident · No injuries · Data collection · Final report · Mar 10, 2018 · N74445 · Substantial damage
  > The pilot’s failure to maintain directional control during landing.
- [NTSB CEN17LA280](https://openairdocs.org/ntsb/CEN17LA280.md): Stinson 108 · Lee's Summit, MO · Accident · No injuries · Limited investigation · Final report · Jul 21, 2017 · N8954K · Substantial damage
  > The pilot’s loss of directional control during landing due to the failure of the right brake seal.
- [NTSB CEN17LA023](https://openairdocs.org/ntsb/CEN17LA023.md): Stinson 108 · Austin, TX · Accident · No injuries · Limited investigation · Final report · Oct 18, 2016 · N97634 · Substantial damage
  > The pilot’s failure to maintain directional control while landing in gusting wind conditions.
- [NTSB ERA17FA001](https://openairdocs.org/ntsb/ERA17FA001.md): Culver PQ 14A · Hickory, NC · Accident · 1 fatal · Field investigation · Final report · Oct 1, 2016 · N4648V · Destroyed
  > The loss of engine power due to carburetor icing. Contributing to the accident was the pilot's use of automobile gasoline, which increased the likelihood of carburetor icing.
- [NTSB ERA16LA173](https://openairdocs.org/ntsb/ERA16LA173.md): Universal Stinson 108 · Calverton, NY · Accident · No injuries · Limited investigation · Final report · Apr 30, 2016 · N8660K · Substantial damage
  > The pilot's failure to maintain directional control during the landing roll.
- [NTSB GAA16CA090](https://openairdocs.org/ntsb/GAA16CA090.md): Stinson 108 · Portales, NM · Accident · No injuries · Data collection · Final report · Dec 19, 2015 · N97411 · Substantial damage
  > The pilot receiving instruction's improper brake application during the flight instructor's aborted landing, which resulted in a loss of directional control and a runway excursion. Contributing to the accident was the flight instructor's decision to perform…
- [NTSB GAA16CA070](https://openairdocs.org/ntsb/GAA16CA070.md): Stinson 108 · Sharon, KS · Accident · Minor injuries · Data collection · Final report · Dec 2, 2015 · N97537 · Substantial damage
  > The pilot's decision to continue the unstabilized approach and landing and his delayed decision to go around with an insufficient climb rate, which resulted with collision with trees.
- [NTSB ERA15LA239](https://openairdocs.org/ntsb/ERA15LA239.md): Stinson 108 · Dushore, PA · Accident · Serious injuries · Limited investigation · Final report · Jun 14, 2015 · N97505 · Substantial damage
  > The total loss of engine power during the initial climb for reasons that could not be determined because postaccident examination of the engine revealed no anomalies that would have precluded normal operation.
- [NTSB ERA15LA201](https://openairdocs.org/ntsb/ERA15LA201.md): Universal Stinson 108-1 · Macon, MS · Accident · No injuries · Limited investigation · Final report · Apr 16, 2015 · N9799G · Substantial damage
  > A partial loss of engine power for reasons that could not be determined based on the available information.
- [NTSB CEN14LA417](https://openairdocs.org/ntsb/CEN14LA417.md): Stinson 108 1 · Bruno, MN · Accident · No injuries · Limited investigation · Final report · Jul 18, 2014 · N9034K · Substantial damage
  > The total loss of engine power due to an anomaly with the carburetor system that could not be determined during postaccident examination.
- [NTSB WPR14LA079](https://openairdocs.org/ntsb/WPR14LA079.md): Stinson 108 1 · Lodi, CA · Accident · No injuries · Limited investigation · Final report · Dec 27, 2013 · N8848K · Substantial damage
  > The fatigue failure of the crankshaft, which resulted in a total loss of engine power and subsequent forced landing.
- [NTSB ERA13CA422](https://openairdocs.org/ntsb/ERA13CA422.md): Universal Stinson 108 1 · Lawrenceville, GA · Accident · No injuries · Data collection · Final report · Sep 19, 2013 · N8384K · Substantial damage
  > The pilot's failure to maintain directional control during the landing, resulting in a ground loop, runway excursion, and structural damage to the right wing.
- [NTSB ERA13LA327](https://openairdocs.org/ntsb/ERA13LA327.md): Univair 108-1 · Tuftonboro, NH · Accident · Minor injuries · Limited investigation · Final report · Jul 17, 2013 · N8721K · Substantial damage
  > Maintenance personnel’s failure to remove circumferential gouges in the aft radius of the R2 rod journal on the crankshaft during its last engine overhaul, which resulted in the fatigue failure of the crankshaft and a subsequent total loss of engine power.
- [NTSB CEN13CA412](https://openairdocs.org/ntsb/CEN13CA412.md): Universal Stinson 108-1 · Hector, MN · Accident · No injuries · Data collection · Final report · Jul 14, 2013 · N855F · Substantial damage
  > The pilot’s inadvertent application of the brakes and failure to main directional control of the airplane during the takeoff roll, which resulted in the airplane nosing over.
- [NTSB ERA13LA269](https://openairdocs.org/ntsb/ERA13LA269.md): Stinson 108 · Elkton, KY · Accident · Minor injuries · Limited investigation · Final report · Jun 4, 2013 · N97592 · Substantial damage
  > The pilot's failure to use carburetor heat during the approach to landing, which resulted in carburetor icing and a partial loss of engine power during a subsequent initial climb.
- [NTSB CEN13CA317](https://openairdocs.org/ntsb/CEN13CA317.md): Stinson 108 · Lebanon, IN · Accident · No injuries · Data collection · Final report · Jun 4, 2013 · N677JD · Substantial damage
  > The pilot did not maintain control of the airplane during the landing roll.
- [NTSB CEN13CA284](https://openairdocs.org/ntsb/CEN13CA284.md): Stinson 108-1 · Cambridge, MN · Accident · No injuries · Data collection · Final report · May 17, 2013 · N8931K · Substantial damage
  > The pilot’s loss of directional control while landing with a gusting crosswind.
- [NTSB ANC12CA104](https://openairdocs.org/ntsb/ANC12CA104.md): Stinson 108-2 · Nikiski, AK · Accident · No injuries · Data collection · Final report · Sep 9, 2012 · N9723K · Substantial damage
  > The pilot's selection of an unsuitable landing surface, which resulted in a loss of control during the landing roll.
- [NTSB ERA12CA529](https://openairdocs.org/ntsb/ERA12CA529.md): Stinson 108-2 · Winter Haven, FL · Accident · No injuries · Data collection · Final report · Aug 23, 2012 · N340C · Substantial damage
  > The pilot’s failure to maintain directional control during the takeoff, which resulted in a runway excursion.
- [NTSB WPR12CA148](https://openairdocs.org/ntsb/WPR12CA148.md): Stinson 108-1 · Coolin, ID · Accident · No injuries · Data collection · Final report · Mar 25, 2012 · N97032 · Substantial damage
  > The pilot’s decision to land on a snow-covered runway.
- [NTSB WPR12LA045](https://openairdocs.org/ntsb/WPR12LA045.md): Stinson 108-1 · Boulder City, NV · Accident · No injuries · Limited investigation · Final report · Nov 19, 2011 · N9016K · Substantial damage
  > The pilot's failure to maintain directional control while taxiing with a gusting crosswind.
- [NTSB CEN11LA536](https://openairdocs.org/ntsb/CEN11LA536.md): Bellanca 14-13 · Stoughton, WI · Accident · Serious injuries · Limited investigation · Final report · Aug 1, 2011 · N74260 · Substantial damage
  > The pilot’s improper preflight planning and his failure to gain proper airspeed during takeoff from a grass airstrip resulting in a stall, the loss of control, and subsequent impact with the trees. Contributing to the accident was the pilot operating the…
- [NTSB WPR11CA345](https://openairdocs.org/ntsb/WPR11CA345.md): Stinson 108-1 · Moses Lake, WA · Accident · No injuries · Data collection · Final report · Jul 23, 2011 · N8318K · Substantial damage
  > The pilot's failure to maintain directional control during an aborted takeoff.
- [NTSB CEN11FA247](https://openairdocs.org/ntsb/CEN11FA247.md): Stinson 108 · Dickens, TX · Accident · 3 fatal · Field investigation · Final report · Mar 27, 2011 · N97383 · Substantial damage
  > The non-instrument rated pilot's decision to fly in night instrument meteorological conditions.
- [NTSB WPR11CA165](https://openairdocs.org/ntsb/WPR11CA165.md): Bellanca 14-13-2 · Mesquite, NV · Accident · No injuries · Data collection · Final report · Mar 15, 2011 · N74291 · Substantial damage
  > The malfunction of the brake system which led to the pilot's failure to maintain directional control during the landing roll.
- [NTSB ERA10LA442](https://openairdocs.org/ntsb/ERA10LA442.md): Stinson 108 · Andrews, SC · Accident · 1 fatal · Limited investigation · Final report · Aug 25, 2010 · N97316 · Substantial damage
  > Loss of engine power due to fuel exhaustion, and the student pilot's failure to adequately preflight the airplane prior to takeoff.
- [NTSB ANC10CA051](https://openairdocs.org/ntsb/ANC10CA051.md): Stinson 108-1 · Galena, AK · Accident · No injuries · Data collection · Final report · Jun 8, 2010 · N136SP · Substantial damage
  > The pilot's failure to maintain directional control during takeoff, resulting in a ground-loop, and collapse of the right main landing gear.
- [NTSB ERA10LA111](https://openairdocs.org/ntsb/ERA10LA111.md): Stinson 108 · Bayport, NY · Accident · No injuries · Limited investigation · Final report · Jan 9, 2010 · N97223 · Substantial damage
  > A total loss of engine power during cruise flight due to fuel contamination.
- [NTSB ANC10CA010](https://openairdocs.org/ntsb/ANC10CA010.md): Stinson 108-1 · Selawik, AK · Accident · No injuries · Data collection · Final report · Dec 18, 2009 · N136SP · Substantial damage
  > The pilot's failure to maintain a proper descent rate during landing, resulting in a hard landing.
- [NTSB WPR09LA022](https://openairdocs.org/ntsb/WPR09LA022.md): Stinson 108-1 · Concrete, WA · Accident · 1 fatal · Limited investigation · Final report · Oct 23, 2008 · N97946 · Substantial damage
  > The loss of engine power during initial climb due to the pilot's improper exhaust system maintenance, which resulted in restriction of the carburetor's air intake.
- [NTSB LAX07CA152](https://openairdocs.org/ntsb/LAX07CA152.md): Stinson 108 · Auburn, CA · Accident · No injuries · Data collection · Final report · May 5, 2007 · N97648 · Substantial damage
  > The pilot's failure to maintain an adequate airspeed during an aborted landing that resulted in a stall/mush.
- [NTSB ATL07CA059](https://openairdocs.org/ntsb/ATL07CA059.md): Stinson 108 · Lawrenceville, GA · Accident · No injuries · Data collection · Final report · Mar 25, 2007 · N8384K · Substantial damage
  > The pilot's failure to maintain directional control on landing roll out resulting in a ground loop.

Next page: https://openairdocs.org/ntsb.md?engine=27024&page=2

## 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.engine_model_code IN ('27024'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=27024

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