# NTSB investigations: Lycoming O-320-A2B, 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.

## Latest cases

- [NTSB ANC26LA013](https://openairdocs.org/ntsb/ANC26LA013.md): Piper PA-22-150 · Anchorage, AK · Accident · Serious injuries · Class 3 · Limited · Preliminary report · Feb 1, 2026 · N3263Z · Substantial damage
  > On January 31, 2026, about 1921 Alaska standard time, a Piper PA-22-150 airplane, N3263Z, was substantially damaged when it was involved in an accident near Anchorage, Alaska. The pilot was uninjured, and the passenger was transported to the hospital with…
- [NTSB ANC25LA100](https://openairdocs.org/ntsb/ANC25LA100.md): Champion 7GCBC · Sutton, AK · Accident · No injuries · Class 4 · Limited · Final report · Aug 31, 2025 · N5267X · Substantial damage
  > The airplane’s encounter with a downdraft while maneuvering at low altitude, which resulted in a forced landing and collision with terrain.
- [NTSB ANC25LA106](https://openairdocs.org/ntsb/ANC25LA106.md): Brian Turner Northern Explorer · Delta Junction, AK · Accident · No injuries · Class 4 · Limited · Final report · Aug 6, 2025 · N907BT · Substantial damage
  > The pilot’s failure to maintain obstacle clearance during landing, which resulted in an impact with trees.
- [NTSB ANC25LA073](https://openairdocs.org/ntsb/ANC25LA073.md): Piper PA-18-135 · Palmer, AK · Accident · No injuries · Class 4 · Limited · Final report · Jul 11, 2025 · N27293 · Substantial damage
  > The pilot’s excessive braking during the landing roll, resulting in a nose over. Contributing to the accident was the pilot’s decision to continue the landing after determining the landing area was unsuitable.
- [NTSB ANC23LA081](https://openairdocs.org/ntsb/ANC23LA081.md): Piper/Gerbi Charles R PA 18-150 · Juneau, AK · Accident · Serious injuries · Class 4 · Limited · Final report · Sep 11, 2023 · N4900C · Substantial damage
  > The student pilot’s failure to maintain altitude after the airplane encountered a downdraft while maneuvering over an area of hilly terrain.
- [NTSB ANC23LA060](https://openairdocs.org/ntsb/ANC23LA060.md): Piper PA-12S · Igiugig, AK · Accident · No injuries · Class 3 · Limited · Final report · Aug 5, 2023 · N2262G · Substantial damage
  > The pilot’s inadequate fuel management, which resulted in a total loss of engine power due to fuel exhaustion.
- [NTSB ANC21LA024](https://openairdocs.org/ntsb/ANC21LA024.md): Piper PA-18A 150 · Kasilof, AK · Accident · No injuries · Class 4 · Limited · Final report · Mar 13, 2021 · N9073D · Substantial damage
  > The pilot’s mismanagement of the available fuel, which resulted in a total loss on engine power due to fuel starvation.
- [NTSB ANC21LA008](https://openairdocs.org/ntsb/ANC21LA008.md): Piper PA18 · Juneau, AK · Accident · No injuries · Class 4 · Limited · Final report · Dec 3, 2020 · N4900C · Substantial damage
  > The solo student pilot’s failure to maintain directional control during taxi in strong crosswind conditions, which resulted in a loss of control and subsequent impact with a ditch.
- [NTSB ANC20CA081](https://openairdocs.org/ntsb/ANC20CA081.md): Performer High Performer · Chandalar Shelf, AK · Accident · No injuries · Class 4 · Data collection · Final report · Aug 12, 2020 · N2907 · Substantial damage
  > The pilot's selection of unsuitable terrain for landing, which resulted in a loss of control during the landing and a nose over.
- [NTSB GAA17CA511](https://openairdocs.org/ntsb/GAA17CA511.md): Piper PA 12 · Gulkana, AK · Accident · No injuries · Data collection · Final report · Aug 26, 2017 · N3233M · Substantial damage
  > The pilot’s inadequate in-flight fuel planning, which resulted in a loss of engine power due to fuel exhaustion.
- [NTSB ANC16LA068](https://openairdocs.org/ntsb/ANC16LA068.md): Jeffery D Tuttle BDK Carbon Concepts · Wasilla, AK · Accident · Serious injuries · Limited investigation · Final report · Sep 16, 2016 · N8008Z · Substantial damage
  > The structural failure of both wings’ leading-edge slats, which resulted in a loss of airplane control.
- [NTSB ANC16CA056](https://openairdocs.org/ntsb/ANC16CA056.md): Brian Turner Northern Explorer · Chickaloon, AK · Accident · No injuries · Data collection · Final report · Aug 8, 2016 · N907BT · Substantial damage
  > A partial loss of engine power due to carburetor icing, which resulted from the pilot’s failure to use carburetor heat.
- [NTSB ANC14CA043](https://openairdocs.org/ntsb/ANC14CA043.md): Piper PA 18-135 · Beluga, AK · Accident · No injuries · Data collection · Final report · Jun 19, 2014 · N27293 · Substantial damage
  > The pilot's loss of control when encountering a downdraft during the initial climb after takeoff, resulting in a collision with brush and terrain.
- [NTSB ANC13CA044](https://openairdocs.org/ntsb/ANC13CA044.md): Piper PA-18-150 · Palmer, AK · Accident · No injuries · Data collection · Final report · May 7, 2013 · N8899Y · 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 ANC12CA094](https://openairdocs.org/ntsb/ANC12CA094.md): Piper PA-18-150 · Delta Junction, AK · Accident · No injuries · Data collection · Final report · Aug 28, 2012 · N4316Z · Substantial damage
  > The pilot’s failure to identify the appropriate touchdown point, which resulted in a nose over.
- [NTSB ANC10LA012](https://openairdocs.org/ntsb/ANC10LA012.md): Piper PA-12 · Gulkana, AK · Accident · No injuries · Limited investigation · Final report · Jan 14, 2010 · N3233M · Substantial damage
  > The pilot's selection of unsuitable terrain for landing, which resulted in structural damage to the airplane during landing.
- [NTSB ANC10LA007](https://openairdocs.org/ntsb/ANC10LA007.md): Piper PA-18-160 · Palmer, AK · Accident · No injuries · Limited investigation · Final report · Nov 3, 2009 · N1042A · Substantial damage
  > The pilot's selection of unsuitable terrain for takeoff.
- [NTSB ANC09CA051](https://openairdocs.org/ntsb/ANC09CA051.md): Piper PA-18-150 · Talkeetna, AK · Accident · No injuries · Data collection · Final report · Jun 6, 2009 · N7796Y · Substantial damage
  > The pilot's failure to maintain adequate airspeed on final approach, which resulted in an aerodynamic stall and hard landing.
- [NTSB ANC07LA018](https://openairdocs.org/ntsb/ANC07LA018.md): Piper PA-12 · Glennallen, AK · Accident · Minor injuries · Limited investigation · Final report · Feb 1, 2007 · N3233M · Substantial damage
  > The pilot's failure to maintain adequate airspeed to preclude a stall while maneuvering, which resulted in an uncontrolled descent and subsequent collision with terrain. Factors contributing to the accident were variable wind conditions, and an inadvertent…
- [NTSB ANC03LA101](https://openairdocs.org/ntsb/ANC03LA101.md): Cloud-Wag Aero Sportsmen · Noatak, AK · Accident · No injuries · Limited investigation · Final report · Aug 23, 2003 · N35CL · Substantial damage
  > The pilot's misjudgment of the airplane's distance and speed, which resulted in the airplane not attaining the proper landing touchdown point and overrunning the landing site.
- [NTSB ANC02LA113](https://openairdocs.org/ntsb/ANC02LA113.md): Piper PA-12 · Chickaloon, AK · Accident · No injuries · Limited investigation · Final report · Sep 3, 2002 · N3233M · Substantial damage
  > The pilot's failure to maintain control of the airplane during the landing roll, which precipitated a nose over.
- [NTSB ANC01LA029](https://openairdocs.org/ntsb/ANC01LA029.md): Piper PA-18 · Anchorage, AK · Accident · No injuries · Limited investigation · Final report · Jan 13, 2001 · N2191J · Substantial damage
  > The pilot's improper use of the carburetor heat control. Factors in the accident were the presence of carburetor icing conditions, and snow-covered terrain that was unsuitable for a forced landing.
- [NTSB ANC97LA156](https://openairdocs.org/ntsb/ANC97LA156.md): Piper PA-12 · Gustavus, AK · Accident · No injuries · Limited investigation · Final report · Sep 26, 1997 · N7667H · Substantial damage
  > The pilot's failure to attain the proper touchdown point. Factors associated with the accident are the pilot's improper glidepath, and the rough and uneven terrain.
- [NTSB ANC96LA128](https://openairdocs.org/ntsb/ANC96LA128.md): Champion 7GCBC · Kenai, AK · Accident · No injuries · Limited investigation · Final report · Aug 18, 1996 · N5267X · Substantial damage
  > the pilot's delayed in initiating a go-around, and his failure to maintain clearance from trees. The high/fast approach for landing was a related factor.
- [NTSB ANC95LA154](https://openairdocs.org/ntsb/ANC95LA154.md): Piper PA-18 · Sleetmute, AK · Accident · No injuries · Limited investigation · Final report · Aug 29, 1995 · N7786D · Substantial damage
  > The pilot's adequate compensate for wind conditions and failure to maintain directional control of the airplane. The crosswind was a related factor.
- [NTSB ANC94LA141](https://openairdocs.org/ntsb/ANC94LA141.md): Artic S-1B2 · Wasilla, AK · Accident · Serious injuries · Limited investigation · Final report · Sep 18, 1994 · N74AT · Substantial damage
  > A failure of the pilot to maintain adequate airspeed. A lack of total aeronautical experience was a factor in the accident.
- [NTSB ANC92LA171](https://openairdocs.org/ntsb/ANC92LA171.md): Piper PA-18-150 · Totatlanika Rvr, AK · Accident · No injuries · Limited investigation · Final report · Sep 15, 1992 · N1148A · Substantial damage
  > The pilot's poor inflight planning/decision in evaluating and selecting unsuitable terrain for the landing area. Factors contributing to the accident were: snow covered terrain, and the pilot's lack of recent experience in this type of operation.
- [NTSB ANC91LA155](https://openairdocs.org/ntsb/ANC91LA155.md): Piper PA-18-150 · Eagle, AK · Accident · No injuries · Limited investigation · Final report · Sep 19, 1991 · N4894A · Substantial damage
  > The damage sustained when striking a rock during the previous takeoff roll which resulted in the main landing gear's collapse during landing.
- [NTSB ANC89LA063](https://openairdocs.org/ntsb/ANC89LA063.md): Piper PA-18 · Talkeetna, AK · Accident · Minor injuries · Limited investigation · Final report · Apr 22, 1989 · N1738A · Substantial damage
  > The pilot's continued VFR flight into instrument meteorological conditions and the inadvertant stall/mush of the airplane. Contributing factors are the pilot's overconfidence, self-induced pressure, mountainous terrain and whiteout conditions.
- [NTSB ANC87LA058](https://openairdocs.org/ntsb/ANC87LA058.md): Piper PA-18 · Valdez, AK · Accident · No injuries · Limited investigation · Final report · Apr 5, 1987 · N9073D · Substantial damage
  > The pilot reported that he could not keep the ski equipped aircraft from banking to the left after take off and elected to reduce power and land. The aircraft sustained substantial damage when the left wing tip struck the ground and cartwheeled during the…
- [NTSB ANC85FA086](https://openairdocs.org/ntsb/ANC85FA086.md): Piper PA-18-150 · Anchorage, AK · Accident · No injuries · Field investigation · Final report · May 24, 1985 · N7786D · Substantial damage
  > Acft lost control during landing & groundlooped. The plt stated the heel of his shoe slipped off the brake pedal when an attempt to apply the brakes was made.
- [NTSB ANC85LA010](https://openairdocs.org/ntsb/ANC85LA010.md): Piper PA-18 · Port Heiden, AK · Accident · Serious injuries · Limited investigation · Final report · Oct 20, 1984 · N4313Y · Substantial damage
  > According to a state police report, the plt assaulted his wife, then loaded his two children into the acft and flew to a refueling area. He refueled the acft, then tookoff & crashed aprx 1 mile north of the departure rwy. A witness reported that after the…
- [NTSB ANC83LA147](https://openairdocs.org/ntsb/ANC83LA147.md): Piper PA-18-150 · Eagle, AK · Accident · No injuries · Limited investigation · Final report · Aug 14, 1983 · N4894A · Substantial damage
  > The pilot stated that he felt the engine did not develop full power during takeoff, possibly due to formation of carburetor ice during rain showers. Instead of aborting, he continued and the acft struck trees on the departure.
- [NTSB ANC78DAG62](https://openairdocs.org/ntsb/ANC78DAG62.md): Bellanca 7ECA · Palmer, AK · Accident · No injuries · Closed · Jun 6, 1978 · N8554V · Substantial damage
- [NTSB ANC70D0040](https://openairdocs.org/ntsb/ANC70D0040.md): Piper PA-18 · Takotna, AK · Accident · No injuries · Closed · Jun 25, 1969 · N4894A · Substantial damage
- [NTSB ANC67D0012](https://openairdocs.org/ntsb/ANC67D0012.md): Piper PA-18 · Paxton, AK · Accident · No injuries · Closed · Jun 29, 1966 · N3399Z · Substantial damage
- [NTSB ANC65F0011](https://openairdocs.org/ntsb/ANC65F0011.md): Piper PA-18 · Fairbanks, AK · Accident · No injuries · Closed · May 25, 1965 · N3399Z · 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" = '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 ('42101'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=42101&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.