# NTSB investigations: Lycoming 0-235 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 8 · 360 cases

## Latest cases

- [NTSB ANC26LA059](https://openairdocs.org/ntsb/ANC26LA059.md): Piper PA-12 · North Pole, AK · Accident · No injuries · Class 4 · Limited · Investigation open · Jun 21, 2026 · N2586M · Substantial damage
- [NTSB ANC26LA042](https://openairdocs.org/ntsb/ANC26LA042.md): Piper PA-14 · Nenana, AK · Accident · No injuries · Class 4 · Limited · Investigation open · May 18, 2026 · N5184H · Substantial damage
- [NTSB ANC25LA109](https://openairdocs.org/ntsb/ANC25LA109.md): Piper PA-12 · Kotlik, AK · Accident · Minor injuries · Class 4 · Limited · Final report · Sep 16, 2025 · N3816M · Substantial damage
  > The pilot’s failure to maintain airplane control during a go-around in variable wind conditions.
- [NTSB ANC25LA089](https://openairdocs.org/ntsb/ANC25LA089.md): Piper PA-12 · Egegik, AK · Accident · No injuries · Class 4 · Limited · Final report · Jul 14, 2025 · N2638M · Substantial damage
  > The pilot’s excessive use of brakes during landing roll, which resulted in a nose-over.
- [NTSB ANC25LA062](https://openairdocs.org/ntsb/ANC25LA062.md): Champion 7ECA · Wasilla, AK · Accident · No injuries · Class 4 · Limited · Final report · Jul 2, 2025 · N5169X · Substantial damage
  > The pilot’s excessive use of brakes during landing roll, which resulted in a nose-over.
- [NTSB ANC23LA041](https://openairdocs.org/ntsb/ANC23LA041.md): Piper PA-12 · McGrath, AK · Accident · No injuries · Class 4 · Limited · Final report · May 29, 2023 · N7712H · Substantial damage
  > The pilot’s delayed decision to abort the takeoff, which resulted in a forced landing and impact with terrain.
- [NTSB ANC23LA020](https://openairdocs.org/ntsb/ANC23LA020.md): Piper PA-16 · Soldotna, AK · Accident · No injuries · Class 3 · Limited · Final report · Feb 9, 2023 · N5987H · Substantial damage
  > A total loss of engine power for undetermined reasons.
- [NTSB ANC23LA015](https://openairdocs.org/ntsb/ANC23LA015.md): Piper PA-12 · Anchorage, AK · Accident · No injuries · Class 4 · Limited · Final report · Jan 16, 2023 · N3904M · Substantial damage
  > The pilot's selection of an unsuitable landing site, resulting in the main landing gear wheels breaking through the snow, and a subsequent nose over.
- [NTSB ANC23FA004](https://openairdocs.org/ntsb/ANC23FA004.md): Piper PA-18 · Chickaloon, AK · Accident · 1 fatal · Class 3 · Field · Final report · Nov 10, 2022 · N7123K · Substantial damage
  > The pilot's decision to fly at low altitude, which resulted in a collision with a cable.
- [NTSB ANC22LA079](https://openairdocs.org/ntsb/ANC22LA079.md): Piper PA-12 · Tok, AK · Accident · No injuries · Class 4 · Limited · Final report · Sep 18, 2022 · N92740 · Substantial damage
  > The pilot’s improper application of the brakes, which resulted in a nose-over and substantial damage to the rudder and wings.
- [NTSB ANC22FA066](https://openairdocs.org/ntsb/ANC22FA066.md): Piper PA-12 · Arctic Village, AK · Accident · 1 fatal · Class 3 · Field · Final report · Aug 11, 2022 · N3937M · Substantial damage
  > The pilot’s decision to depart in turbulent and gusting wind conditions, which resulted in a loss of control and impact with terrain.
- [NTSB ANC22LA060](https://openairdocs.org/ntsb/ANC22LA060.md): Taylorcraft F21 · Kenai, AK · Accident · No injuries · Class 4 · Limited · Final report · Jul 15, 2022 · N2005Z · Substantial damage
  > The pilot’s failure to maintain adequate distance from a tree while landing.
- [NTSB ANC22LA026](https://openairdocs.org/ntsb/ANC22LA026.md): Cessna 152 · Anchorage, AK · Accident · Minor injuries · Class 4 · Limited · Final report · Mar 28, 2022 · N915AA · Substantial damage
  > The flight instructor’s failure to adequately monitor the student pilot which resulted in an impact with terrain and a nose-over.
- [NTSB ANC21LA096](https://openairdocs.org/ntsb/ANC21LA096.md): Piper PA-14 · Chickaloon, AK · Accident · Minor injuries · Class 3 · Limited · Final report · Sep 23, 2021 · N4276H · Substantial damage
  > A total loss of engine power during takeoff for reasons that could not be determined based on the available information.
- [NTSB ANC21LA077](https://openairdocs.org/ntsb/ANC21LA077.md): Piper PA-12 · Nikolai, AK · Accident · No injuries · Class 4 · Limited · Final report · Aug 28, 2021 · N2579M · Substantial damage
  > The pilot’s loss of control on go-around in gusting crosswind conditions. Contributing to accident was the pilot’s decision to attempt to land at a short off-airport landing site with a malfunctioning airspeed indicator.
- [NTSB ANC21LA071](https://openairdocs.org/ntsb/ANC21LA071.md): Piper PA-14 · Tyonek, AK · Accident · Serious injuries · Class 4 · Limited · Final report · Aug 15, 2021 · N4226H · Substantial damage
  > The pilot’s failure to maintain directional control and adequate airspeed during takeoff which resulted in a collision with a river. Contributing to the accident was the pilot’s improper decision to load the airplane above its maximum allowable gross weight.
- [NTSB ANC21LA040](https://openairdocs.org/ntsb/ANC21LA040.md): Piper PA-18-105 Special · Gakona, AK · Accident · No injuries · Class 4 · Limited · Final report · May 10, 2021 · N5489H · Substantial damage
  > The pilot’s decision to initiate a flight with a failed mixture control cable which resulted in a total loss of engine power.
- [NTSB ANC20LA059](https://openairdocs.org/ntsb/ANC20LA059.md): Piper PA 12 · Anchorage, AK · Accident · No injuries · Class 3 · Limited · Final report · Jun 8, 2020 · N3188M · Substantial damage
  > The fatigue fracture of the American Iron and Steel Institute (AISI) 1025 carbon steel rudder post, which resulted in structural failure of the rudder. Contributing to the fatigue failure was the post’s susceptibility to fatigue cracking under normal service…
- [NTSB ANC20CA047](https://openairdocs.org/ntsb/ANC20CA047.md): Piper PA 18 · McGrath, AK · Accident · No injuries · Class 4 · Data collection · Final report · May 16, 2020 · N5478H · Substantial damage
  > The pilot's failure to maintain directional control during takeoff in gusting wind conditions, which resulted in a collision with trees and impacted with the ground.
- [NTSB GAA19CA551](https://openairdocs.org/ntsb/GAA19CA551.md): Piper PA 12 · Healy, AK · Accident · No injuries · Data collection · Final report · Sep 15, 2019 · N4315M · Substantial damage
  > The pilot's exceedance of the airplane's critical angle of attack while taking off from water in shifting wind conditions.
- [NTSB GAA19CA497](https://openairdocs.org/ntsb/GAA19CA497.md): Piper PA 12 · McCarthy, AK · Accident · No injuries · Data collection · Final report · Aug 15, 2019 · N2534M · Substantial damage
  > The pilot's overapplication of brakes during landing, which resulted in a nose-over.
- [NTSB ANC18FA071](https://openairdocs.org/ntsb/ANC18FA071.md): Piper PA-12-150 · Healy, AK · Accident · 2 fatal · Field investigation · Final report · Sep 23, 2018 · N7511H · Substantial damage
  > An impact with terrain for reasons that could not be determined based on the available information.
- [NTSB GAA18CA535](https://openairdocs.org/ntsb/GAA18CA535.md): Piper PA 12 · Talkeetna, AK · Accident · No injuries · Data collection · Final report · Sep 5, 2018 · N7690H · Substantial damage
  > The pilot’s failure to maintain pitch control on uneven terrain during the landing roll, which resulted in a nose-over.
- [NTSB GAA18CA357](https://openairdocs.org/ntsb/GAA18CA357.md): Bellanca 7ECA · Fairbanks, AK · Accident · No injuries · Data collection · Final report · Jun 6, 2018 · N8646V · Substantial damage
  > The airplane’s collision with a bird while maneuvering.
- [NTSB GAA18CA320](https://openairdocs.org/ntsb/GAA18CA320.md): Piper PA 12 · Nulato, AK · Accident · No injuries · Data collection · Final report · Jun 2, 2018 · N3937M · Substantial damage
  > The pilot’s improper landing flare, which resulted in a hard landing on upsloping terrain, and his subsequent failure to maintain adequate airspeed and his exceedance of the airplane’s critical angle of attack during an attempted go-around, which resulted in…
- [NTSB GAA18CA090](https://openairdocs.org/ntsb/GAA18CA090.md): Piper PA22 · Yentna, AK · Accident · No injuries · Data collection · Final report · Dec 18, 2017 · N4805Z · Substantial damage
  > The pilot’s selection of unsuitable terrain for landing, which resulted in a loss of directional control and subsequent nose-over.
- [NTSB GAA17CA387](https://openairdocs.org/ntsb/GAA17CA387.md): Piper PA 12 · Chickaloon, AK · Accident · No injuries · Data collection · Final report · Jun 25, 2017 · N2737M · Substantial damage
  > The pilot’s improper landing flare on a turf runway, which necessitated a go-around during which he failed to establish a climb.
- [NTSB ANC17LA033](https://openairdocs.org/ntsb/ANC17LA033.md): Piper PA 12 · Skwentna, AK · Accident · No injuries · Class 2 · Limited · Final report · Jun 17, 2017 · N4018H · Destroyed
  > The pilot's failure to properly secure the external load, which resulted in the load shifting during flight, interference with the water rudder cable, and a subsequent loss of control
- [NTSB GAA17CA188](https://openairdocs.org/ntsb/GAA17CA188.md): Piper PA 12 · Anchorage, AK · Accident · No injuries · Data collection · Final report · Mar 14, 2017 · N3654M · Substantial damage
  > The pilot’s failure to maintain directional control during the taxi on skis on hard-packed snow in gusting wind conditions.
- [NTSB GAA17CA051](https://openairdocs.org/ntsb/GAA17CA051.md): Cessna 152 · Chickaloon, AK · Accident · No injuries · Data collection · Final report · Oct 14, 2016 · N488E · Substantial damage
  > The flight instructor's delay in aborting the takeoff from a turf runway, which resulted in a runway overrun.
- [NTSB ANC16FA057](https://openairdocs.org/ntsb/ANC16FA057.md): Champion 7ECA · Chugiak, AK · Accident · 1 fatal · Field investigation · Final report · Aug 13, 2016 · N9541S · Destroyed
  > The pilot's failure to maintain proper airspeed and his exceedance of the airplane's critical angle of attack during a steep low-altitude turn following a loss of engine power, which resulted in an aerodynamic stall and subsequent loss of control at too low…
- [NTSB GAA16CA008](https://openairdocs.org/ntsb/GAA16CA008.md): Piper PA · Glennallen, AK · Accident · No injuries · Data collection · Final report · Oct 7, 2015 · N7879H · Substantial damage
  > The pilot's failure to maintain clearance from trees during the approach to land, resulting in a collision with trees.
- [NTSB GAA15LA284](https://openairdocs.org/ntsb/GAA15LA284.md): Champion 7ECA · Talkeetna, AK · Accident · Serious injuries · Limited investigation · Final report · Sep 21, 2015 · N9132L · Substantial damage
  > The pilot's failure to properly calculate the fuel consumption rate and to properly monitor the fuel status in flight and his decision to continue the flight despite signs of an engine problem, which resulted in a total loss of engine power due to fuel…
- [NTSB ANC14CA088](https://openairdocs.org/ntsb/ANC14CA088.md): Piper PA 12 · Holy Cross, AK · Accident · No injuries · Data collection · Final report · Sep 24, 2014 · N3148M · Substantial damage
  > The pilot's selection of unsuitable terrain for takeoff/landing and failure to maintain control of the aircraft.
- [NTSB ANC14CA072](https://openairdocs.org/ntsb/ANC14CA072.md): Piper PA 12 · Talkeetna, AK · Accident · No injuries · Data collection · Final report · Sep 1, 2014 · N2507M · Substantial damage
  > The pilot's inadequate recovery from a bounced landing, resulting in a runway excursion and collision with trees.
- [NTSB ANC14FA050](https://openairdocs.org/ntsb/ANC14FA050.md): Piper PA 12 · Anchorage, AK · Accident · 1 fatal · Field investigation · Final report · Jul 2, 2014 · N3512M · Substantial damage
  > The incorrect (reverse) rigging of the elevator control cables, and the pilot’s inadequate preflight inspection, which failed to detect the misrigging.
- [NTSB ANC13FA090](https://openairdocs.org/ntsb/ANC13FA090.md): Champion 7ECA · Sutton, AK · Accident · 2 fatal · Field investigation · Final report · Aug 29, 2013 · N9624S · Substantial damage
  > The pilot’s failure to maintain airplane control while maneuvering at low altitude, which resulted in an aerodynamic stall/spin and collision with terrain. Contributing to the accident was the pilot’s use of marijuana, which likely degraded his psychomotor…
- [NTSB ANC13CA109](https://openairdocs.org/ntsb/ANC13CA109.md): Piper PA 16 · Glennallen, AK · Accident · No injuries · Data collection · Final report · Jun 5, 2013 · N5965H · Substantial damage
  > The pilot's loss of control during the initial climb after takeoff, resulting in a collision with trees.
- [NTSB ANC13LA048](https://openairdocs.org/ntsb/ANC13LA048.md): Piper PA-16 · Juneau, AK · Accident · Minor injuries · Limited investigation · Final report · May 19, 2013 · N5372H · Substantial damage
  > The total loss of engine power for reasons that could not be determined due to the inability to recover the airplane.
- [NTSB ANC13CA034](https://openairdocs.org/ntsb/ANC13CA034.md): Piper PA-16 · Big Lake, AK · Accident · No injuries · Data collection · Final report · Mar 17, 2013 · N5942H · Substantial damage
  > The pilot's decision to land on unsuitable terrain.
- [NTSB ANC13LA008](https://openairdocs.org/ntsb/ANC13LA008.md): Bellanca 7ECA · Kenai, AK · Accident · No injuries · Limited investigation · Final report · Nov 4, 2012 · N31281 · Substantial damage
  > The loss of engine power due to carburetor icing and the pilot's failure to apply carburetor heat when he reduced engine power.
- [NTSB ANC12CA112](https://openairdocs.org/ntsb/ANC12CA112.md): Piper PA-12 · Fairbanks, AK · Accident · No injuries · Data collection · Final report · Sep 23, 2012 · N4483M · Substantial damage
  > The pilot’s improper fuel management, which resulted in a loss of engine power due to fuel starvation.
- [NTSB ANC12LA096](https://openairdocs.org/ntsb/ANC12LA096.md): Taylorcraft F21 · Willow, AK · Accident · Serious injuries · Limited investigation · Final report · Sep 3, 2012 · N2005E · Substantial damage
  > The pilot’s failure to maintain control of the airplane after a loss of engine power during takeoff due to carburetor ice.
- [NTSB ANC12CA072](https://openairdocs.org/ntsb/ANC12CA072.md): Piper PA-12 · Quinhagak, AK · Accident · No injuries · Data collection · Final report · Jul 6, 2012 · N7779H · Substantial damage
  > The pilot's failure to use continuous carburetor heat while operating in conditions conducive to carburetor icing, which resulted in the development of carburetor ice and a subsequent partial loss of engine power.
- [NTSB ANC12CA043](https://openairdocs.org/ntsb/ANC12CA043.md): Piper PA-18-150 · Anchorage, AK · Accident · No injuries · Data collection · Final report · May 29, 2012 · N3772Z · Substantial damage
  > The pilot’s failure to maintain directional control while landing in a gusting crosswind.
- [NTSB ANC11CA097](https://openairdocs.org/ntsb/ANC11CA097.md): Piper PA-12 · Anchorage, AK · Accident · No injuries · Data collection · Final report · Sep 5, 2011 · N3654M · Substantial damage
  > The pilot's misidentification of the runway environment in dusk light conditions.
- [NTSB ANC11CA078](https://openairdocs.org/ntsb/ANC11CA078.md): Piper PA-11 · Chenga Bay, AK · Accident · No injuries · Data collection · Final report · Aug 11, 2011 · N78635 · Substantial damage
  > The pilot's improper decision to land on an unsuitable landing surface which resulted in a nose over.
- [NTSB ANC11FA065](https://openairdocs.org/ntsb/ANC11FA065.md): Piper PA-12 · Delta, AK · Accident · 1 fatal · Field investigation · Final report · Jul 17, 2011 · N92770 · Substantial damage
  > The pilot's decision to make a low-altitude turn back to the airport following a loss of engine power, which resulted in an aerodynamic stall and loss of control. Contributing to the severity of the pilot's injuries was the separation of the pilot's seat…
- [NTSB ANC11CA063](https://openairdocs.org/ntsb/ANC11CA063.md): Piper PA-12 · Gulkana, AK · Accident · No injuries · Data collection · Final report · Jul 10, 2011 · N2318M · Substantial damage
  > The pilot's inadequate recovery from a bounced landing.
- [NTSB ANC11CA036](https://openairdocs.org/ntsb/ANC11CA036.md): Piper J5A · Palmer, AK · Accident · No injuries · Data collection · Final report · May 27, 2011 · N2364 · Substantial damage
  > The pilot's inadequate compensation for wind conditions.

Next page: https://openairdocs.org/ntsb.md?engine=41505&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 ('41505'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=41505&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.