# NTSB investigations: Franklin 6A4165 series, AK

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 2 · 58 cases

## Latest cases

- [NTSB ANC25LA058](https://openairdocs.org/ntsb/ANC25LA058.md): Stinson 108-8 · Alexander Creek, AK · Accident · No injuries · Class 4 · Limited · Final report · Jun 25, 2025 · N97438 · Substantial damage
  > The pilot’s failure to maintain airplane control during final approach. Contributing to the accident was the airplane’s encounter with a downdraft that led to a rapid loss of altitude.
- [NTSB ANC25LA036](https://openairdocs.org/ntsb/ANC25LA036.md): Stinson 108 · North Pole, AK · Accident · Minor injuries · Class 4 · Limited · Final report · Apr 25, 2025 · N9308K · Substantial damage
  > The pilot's failure to maintain obstacle clearance which resulted in an in-flight collision with a tree. Contributing to the accident was his impairment from the effects of alcohol consumption.
- [NTSB ANC24LA048](https://openairdocs.org/ntsb/ANC24LA048.md): Stinson 108-2 · Bethel, AK · Accident · No injuries · Class 4 · Limited · Final report · Jun 1, 2024 · N299C · Substantial damage
  > The uncertificated pilot’s decision to fly an unairworthy airplane and his failure to maintain directional control during landing, which resulted in a landing gear collapse. Contributing was the failure of the right main landing gear oleo strut.
- [NTSB ANC21LA086](https://openairdocs.org/ntsb/ANC21LA086.md): Stinson 108-3 · Port Alsworth, AK · Accident · No injuries · Class 3 · Limited · Final report · Sep 12, 2021 · N6476M · Substantial damage
  > A loss of directional control for reasons that could not be determined based on the available information.
- [NTSB WPR20CA236](https://openairdocs.org/ntsb/WPR20CA236.md): Stinson 108 · Farewell Lakes, AK · Accident · No injuries · Class 4 · Data collection · Final report · Jul 8, 2020 · N134C · Substantial damage
  > The pilot's delayed decision to abort the takeoff roll, which resulted in a runway overrun and airplane nose over.
- [NTSB ANC20CA063](https://openairdocs.org/ntsb/ANC20CA063.md): Stinson 108 · Nikolai, AK · Accident · No injuries · Class 4 · Data collection · Final report · Jul 2, 2020 · N6252M · Substantial damage
  > The pilot's improper decision to depart from an unsuitable off-airport surface which resulted in a departure area excursion and impact with trees.
- [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 GAA19CA263](https://openairdocs.org/ntsb/GAA19CA263.md): Stinson 108 · Soldotna, AK · Accident · No injuries · Data collection · Final report · May 12, 2019 · N6392M · Substantial damage
  > The pilot's overapplication of the brakes during landing on a soft runway, which resulted in a nose-over.
- [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 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.
- [NTSB ANC04LA036](https://openairdocs.org/ntsb/ANC04LA036.md): Stinson 108-2 · Levelock, AK · Accident · No injuries · Limited investigation · Final report · Mar 23, 2004 · N97124 · Substantial damage
  > The pilot's selection of unsuitable terrain for landing, which resulted in an overrun. Factors contributing to the accident were the pilot's inadequate weather evaluation, a tailwind, and a slippery, ice-covered landing surface.
- [NTSB ANC01LA104](https://openairdocs.org/ntsb/ANC01LA104.md): Stinson 108-2 · Palmer, AK · Accident · No injuries · Limited investigation · Final report · Aug 10, 2001 · N8090K · Substantial damage
  > The pilot's selection of an unsuitable area for an off-airport landing.
- [NTSB ANC01LA050](https://openairdocs.org/ntsb/ANC01LA050.md): Stinson 108-3 · Glennallen, AK · Accident · Minor injuries · Limited investigation · Final report · Apr 22, 2001 · N6912M · Destroyed
  > A total failure of the engine and subsequent rupture of the crankcase during cruise flight. A factor in the accident was unsuitable terrain for a forced landing.
- [NTSB ANC00LA113](https://openairdocs.org/ntsb/ANC00LA113.md): Stinson 108-3 · Yakutat, AK · Accident · No injuries · Limited investigation · Final report · Sep 5, 2000 · N603C · Substantial damage
  > The pilot's selection of an unsuitable landing area. Factors associated with the accident were the oil sprayed windshield, the sunglare, and an object in the water which the pilot did not see.
- [NTSB ANC00LA032](https://openairdocs.org/ntsb/ANC00LA032.md): Stinson 108-3 · Fairbanks, AK · Accident · No injuries · Limited investigation · Final report · Mar 5, 2000 · N6453M · Substantial damage
  > The pilot's inadvertent ground loop.
- [NTSB ANC99LA060](https://openairdocs.org/ntsb/ANC99LA060.md): Aeronca 15AC · Pedro Bay, AK · Accident · Serious injuries · Limited investigation · Final report · May 8, 1999 · N1315H · Substantial damage
  > A separation of the number 3 engine cylinder head assembly, and a burned through fuel line.
- [NTSB ANC99LA046](https://openairdocs.org/ntsb/ANC99LA046.md): Stinson 108-2 · Kenai, AK · Accident · Serious injuries · Limited investigation · Final report · Apr 14, 1999 · N221C · Substantial damage
  > The pilot's inadequate compensation for wind conditions. A factor associated with the accident was high winds.
- [NTSB ANC98LA039](https://openairdocs.org/ntsb/ANC98LA039.md): Stinson 108-2 · Chugiak, AK · Accident · No injuries · Limited investigation · Final report · Apr 18, 1998 · N134C · Substantial damage
  > The pilot's selection of an unsuitable, slush-covered, runway for landing. A factor was the slush-covered runway.
- [NTSB ANC96LA046](https://openairdocs.org/ntsb/ANC96LA046.md): Stinson ST-75 · Anchorage, AK · Accident · No injuries · Limited investigation · Final report · Apr 11, 1996 · N235C · Substantial damage
  > The pilot's failure to select the proper fuel tank prior to takeoff resulting in fuel starvation. A factor in the accident was the pilot's failure to follow the checklist.
- [NTSB ANC96LA048](https://openairdocs.org/ntsb/ANC96LA048.md): Stinson 108-3 · Soldotna, AK · Accident · No injuries · Limited investigation · Final report · Mar 30, 1996 · N6443M · Substantial damage
  > The pilot's inadequate compensation for wind conditions. The gusty/crosswind condition was a related factor.
- [NTSB ANC95LA099](https://openairdocs.org/ntsb/ANC95LA099.md): Stinson 108-2 · Anchorage, AK · Accident · No injuries · Limited investigation · Final report · Jul 7, 1995 · N257C · Substantial damage
  > The pilot's loss of directional control, during the takeoff roll, which resulted in an inadvertent swerve, and the pilot's excessive application of brake pressure, which resulted in a nose down condition.
- [NTSB ANC95LA091](https://openairdocs.org/ntsb/ANC95LA091.md): Stinson 108-2 · Shishmaref, AK · Accident · No injuries · Limited investigation · Final report · Jul 1, 1995 · N9600K · Substantial damage
  > Failure of the pilot to abort the takeoff, while there was sufficient runway remaining. Factors relating to the accident were: unfavorable wind conditions, and failure of the pilot to lower the flaps for takeoff.
- [NTSB ANC93LA094](https://openairdocs.org/ntsb/ANC93LA094.md): Stinson 108-2 · Dry Creek, AK · Accident · No injuries · Limited investigation · Final report · Jun 18, 1993 · N318C · Substantial damage
  > The loss of engine power for undetermined reasons.
- [NTSB ANC92LA020](https://openairdocs.org/ntsb/ANC92LA020.md): Stinson 108 · Chugiak, AK · Accident · No injuries · Limited investigation · Final report · Dec 15, 1991 · N767C · Substantial damage
  > The pilot failed to maintain proper altitude during the final approach. Contributing to the accident was the pilot's lack of total experience performing landings in reduced light conditions, the poor light condition at dusk, and the snow covered terrain.
- [NTSB ANC91LA157](https://openairdocs.org/ntsb/ANC91LA157.md): Stinson 108-3 · Cantwell, AK · Accident · No injuries · Limited investigation · Final report · Sep 18, 1991 · N6436M · Substantial damage
  > The engine power loss for undetermined reasons and the lack of suitable terrain for a forced landing.
- [NTSB ANC90LA148](https://openairdocs.org/ntsb/ANC90LA148.md): Stinson 108 · Cold Foot, AK · Accident · Serious injuries · Limited investigation · Final report · Aug 19, 1990 · N9462K · Substantial damage
  > The pilot-in-command's failure to maintain flying speed.
- [NTSB ANC90LA030](https://openairdocs.org/ntsb/ANC90LA030.md): Stinson 108-3 · Anchorage, AK · Accident · No injuries · Limited investigation · Final report · Jan 19, 1990 · N551C · Substantial damage
  > The pilot misjudged his distance and altitude to the runway on final approach, and failed to attain the proper touchdown point. Factors related to the accident were: dark night, unfavorable wind wind conditions and snow covered terrain.
- [NTSB ANC88LA016](https://openairdocs.org/ntsb/ANC88LA016.md): Stinson 108-2 · Alexander Lake, AK · Accident · No injuries · Limited investigation · Final report · Oct 25, 1987 · N9398K · Substantial damage
  > The relatively inexperienced private pilot attempted to land his float equipped airplane with a tailwind and gusty winds in choppy water conditions. He lost control of the airplane and it was substantially damaged.
- [NTSB ANC86LA101](https://openairdocs.org/ntsb/ANC86LA101.md): Stinson 108 · Hope, AK · Accident · Serious injuries · Limited investigation · Final report · Jul 5, 1986 · N936C · Destroyed
  > The plt stalled the acft during final apch to a small gravel airstrip. The plt had not received training as a student plt nor did he hold any FAA plt or medical certificate.
- [NTSB ANC84LA187](https://openairdocs.org/ntsb/ANC84LA187.md): Stinson 108-2 · Cairn Mountain, AK · Accident · Minor injuries · Limited investigation · Final report · Sep 22, 1984 · N8028K · Substantial damage
  > The acft crashed during a takeoff from a remote airstrip. The plt stated that he walked the strip prior to starting the takeoff. He said that immediately after liftoff the acft began to drift left. Before he was able to make a correction the tail of the acft…
- [NTSB ANC84FA169](https://openairdocs.org/ntsb/ANC84FA169.md): Stinson 108 · Hayes River, AK · Accident · 1 fatal · Field investigation · Final report · Sep 9, 1984 · N6660M · Destroyed
  > The plt was on a low level flt to spot wild game when the acft crashed on a gravel drainage bar. A witness stated the acft was flying 5 to 6 ft AGL when the accident occurred.
- [NTSB ANC83FA175](https://openairdocs.org/ntsb/ANC83FA175.md): Stinson 108-2 · Skwentna, AK · Accident · No injuries · Field investigation · Final report · Sep 17, 1983 · N291C · Substantial damage
  > The acft nose over after landing on a sand bar. The usable landing area was about 700 ft long & consisted of a soft mixture of sand & gravel.
- [NTSB ANC82FAA18](https://openairdocs.org/ntsb/ANC82FAA18.md): Stinson 108 · Fairbanks, AK · Accident · Minor injuries · Final report · Sep 10, 1982 · N9489K · Substantial damage
  > The acft collided with power lines during final approach. The plt reported he encountered a downdraft type of windshear.
- [NTSB ANC80DAD06](https://openairdocs.org/ntsb/ANC80DAD06.md): Stinson 108-3 · Wrangell, AK · Accident · Minor injuries · Closed · May 15, 1980 · N6756M · Substantial damage
- [NTSB ANC80DAA09](https://openairdocs.org/ntsb/ANC80DAA09.md): Stinson 108-3 · Kevinjik Lk, AK · Accident · Serious injuries · Closed · Mar 8, 1980 · N8044K · Destroyed
- [NTSB ANC80DAG13](https://openairdocs.org/ntsb/ANC80DAG13.md): Stinson 108-3 · Skwentna, AK · Accident · No injuries · Closed · Oct 31, 1979 · N6325M · Destroyed
- [NTSB ANC78DAA38](https://openairdocs.org/ntsb/ANC78DAA38.md): Stinson 108-2 · Totatlanika Rv, AK · Accident · Minor injuries · Closed · Aug 31, 1978 · N374C · Substantial damage
- [NTSB ANC78DAG32](https://openairdocs.org/ntsb/ANC78DAG32.md): Stinson 108-2 · Wasilla, AK · Accident · No injuries · Closed · Mar 17, 1978 · N143C · Substantial damage
- [NTSB ANC78FAG26](https://openairdocs.org/ntsb/ANC78FAG26.md): Stinson 108-2 · Glenallen, AK · Accident · Minor injuries · Closed · Feb 21, 1978 · N9542K · Substantial damage
- [NTSB ANC77FA066](https://openairdocs.org/ntsb/ANC77FA066.md): Cessna 170-A · Portage Pass, AK · Accident · 5 fatal · Closed · Jul 30, 1977 · N9543A · Destroyed
- [NTSB ANC77DAA37](https://openairdocs.org/ntsb/ANC77DAA37.md): Stinson 108 · Kotzebue, AK · Accident · No injuries · Closed · Jul 23, 1977 · N696C · Substantial damage
- [NTSB ANC77DAA36](https://openairdocs.org/ntsb/ANC77DAA36.md): Stinson 108 · Northway, AK · Accident · No injuries · Closed · Jul 6, 1977 · N8270K · Substantial damage
- [NTSB ANC76DAA69](https://openairdocs.org/ntsb/ANC76DAA69.md): Stinson 108-3 · Nenana, AK · Accident · No injuries · Closed · Oct 28, 1976 · N4205C · Substantial damage
- [NTSB ANC76FAA29](https://openairdocs.org/ntsb/ANC76FAA29.md): Stinson 108-3 · Koyuk, AK · Accident · Serious injuries · Closed · Mar 21, 1976 · N6946M · Substantial damage
- [NTSB ANC76DAG87](https://openairdocs.org/ntsb/ANC76DAG87.md): Stinson 108 · Willow, AK · Accident · No injuries · Closed · Feb 1, 1976 · N691C · Substantial damage
- [NTSB ANC76DAG56](https://openairdocs.org/ntsb/ANC76DAG56.md): Stinson 108-2 · Gulkana, AK · Accident · No injuries · Closed · Oct 17, 1975 · N9462K · Substantial damage
- [NTSB ANC74FAA08](https://openairdocs.org/ntsb/ANC74FAA08.md): Stinson 108-2 · North Pole, AK · Accident · No injuries · Closed · Aug 26, 1973 · N9525K · Substantial damage
- [NTSB ANC74FAA04](https://openairdocs.org/ntsb/ANC74FAA04.md): Stinson 108-2 · North Pole, AK · Accident · No injuries · Closed · Aug 20, 1973 · N9743K · Substantial damage
- [NTSB ANC73FAA25](https://openairdocs.org/ntsb/ANC73FAA25.md): Stinson 108-3 · Fairbanks, AK · Accident · No injuries · Closed · Jun 3, 1973 · N6177M · Substantial damage
- [NTSB ANC73FAG73](https://openairdocs.org/ntsb/ANC73FAG73.md): Stinson 108-3 · Soldotna, AK · Accident · Minor injuries · Closed · Jan 10, 1973 · N4205C · Substantial damage

Next page: https://openairdocs.org/ntsb.md?engine=27025&state=AK&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."eventStateOrRegion" = 'AK' 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=AK

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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.