NTSB investigations: Lycoming O-320-A2B, AK
37 cases on aircraft whose registry engine model is Lycoming O-320-A2B. Aircraft are matched to the registry by N-number and event date, checked against the reported serial number, make and model, so older matches can be wrong.
Cases per year
| 1965 | 1 |
|---|---|
| 1966 | 1 |
| 1969 | 1 |
| 1978 | 1 |
| 1983 | 1 |
| 1984 | 1 |
| 1985 | 1 |
| 1987 | 1 |
| 1989 | 1 |
| 1991 | 1 |
| 1992 | 1 |
| 1994 | 1 |
| 1995 | 1 |
| 1996 | 1 |
| 1997 | 1 |
| 2001 | 1 |
| 2002 | 1 |
| 2003 | 1 |
| 2007 | 1 |
| 2009 | 2 |
| 2010 | 1 |
| 2012 | 1 |
| 2013 | 1 |
| 2014 | 1 |
| 2016 | 2 |
| 2017 | 1 |
| 2020 | 2 |
| 2021 | 1 |
| 2023 | 2 |
| 2025 | 3 |
| 2026 | 1 |
Where
Open the mapLatest cases
Query with SQL
duckdb -csv -c "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"Prints the whole list as CSV. It reads the release’s Parquet files over HTTPS, so there’s nothing to download first. Install DuckDB to run it.
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" DESCRun it at the DuckDB prompt, or in any tool that reads Parquet over HTTPS. More ways to query the release are on Use the data.
NTSB ANC26LA013Accident · Serious injuriesClass 3 · LimitedPreliminary reportPiper PA-22-150 · Anchorage, AKOn 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 ANC25LA100Accident · No injuriesClass 4 · LimitedFinal reportChampion 7GCBC · Sutton, AKThe airplane’s encounter with a downdraft while maneuvering at low altitude, which resulted in a forced landing and collision with terrain.NTSB ANC25LA106Accident · No injuriesClass 4 · LimitedFinal reportBrian Turner Northern Explorer · Delta Junction, AKThe pilot’s failure to maintain obstacle clearance during landing, which resulted in an impact with trees.NTSB ANC25LA073Accident · No injuriesClass 4 · LimitedFinal reportPiper PA-18-135 · Palmer, AKThe 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 ANC23LA081Accident · Serious injuriesClass 4 · LimitedFinal reportPiper/Gerbi Charles R PA 18-150 · Juneau, AKThe student pilot’s failure to maintain altitude after the airplane encountered a downdraft while maneuvering over an area of hilly terrain.NTSB ANC23LA060Accident · No injuriesClass 3 · LimitedFinal reportPiper PA-12S · Igiugig, AKThe pilot’s inadequate fuel management, which resulted in a total loss of engine power due to fuel exhaustion.NTSB ANC21LA024Accident · No injuriesClass 4 · LimitedFinal reportPiper PA-18A 150 · Kasilof, AKThe pilot’s mismanagement of the available fuel, which resulted in a total loss on engine power due to fuel starvation.NTSB ANC21LA008Accident · No injuriesClass 4 · LimitedFinal reportPiper PA18 · Juneau, AKThe 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 ANC20CA081Accident · No injuriesClass 4 · Data collectionFinal reportPerformer High Performer · Chandalar Shelf, AKThe pilot's selection of unsuitable terrain for landing, which resulted in a loss of control during the landing and a nose over.NTSB GAA17CA511Accident · No injuriesData collectionFinal reportPiper PA 12 · Gulkana, AKThe pilot’s inadequate in-flight fuel planning, which resulted in a loss of engine power due to fuel exhaustion.NTSB ANC16LA068Accident · Serious injuriesLimited investigationFinal reportJeffery D Tuttle BDK Carbon Concepts · Wasilla, AKThe structural failure of both wings’ leading-edge slats, which resulted in a loss of airplane control.NTSB ANC16CA056Accident · No injuriesData collectionFinal reportBrian Turner Northern Explorer · Chickaloon, AKA partial loss of engine power due to carburetor icing, which resulted from the pilot’s failure to use carburetor heat.NTSB ANC14CA043Accident · No injuriesData collectionFinal reportPiper PA 18-135 · Beluga, AKThe pilot's loss of control when encountering a downdraft during the initial climb after takeoff, resulting in a collision with brush and terrain.NTSB ANC13CA044Accident · No injuriesData collectionFinal reportPiper PA-18-150 · Palmer, AKThe 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 ANC12CA094Accident · No injuriesData collectionFinal reportPiper PA-18-150 · Delta Junction, AKThe pilot’s failure to identify the appropriate touchdown point, which resulted in a nose over.NTSB ANC10LA012Accident · No injuriesLimited investigationFinal reportPiper PA-12 · Gulkana, AKThe pilot's selection of unsuitable terrain for landing, which resulted in structural damage to the airplane during landing.NTSB ANC10LA007Accident · No injuriesLimited investigationFinal reportPiper PA-18-160 · Palmer, AKThe pilot's selection of unsuitable terrain for takeoff.NTSB ANC09CA051Accident · No injuriesData collectionFinal reportPiper PA-18-150 · Talkeetna, AKThe pilot's failure to maintain adequate airspeed on final approach, which resulted in an aerodynamic stall and hard landing.NTSB ANC07LA018Accident · Minor injuriesLimited investigationFinal reportPiper PA-12 · Glennallen, AKThe 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 ANC03LA101Accident · No injuriesLimited investigationFinal reportCloud-Wag Aero Sportsmen · Noatak, AKThe 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 ANC02LA113Accident · No injuriesLimited investigationFinal reportPiper PA-12 · Chickaloon, AKThe pilot's failure to maintain control of the airplane during the landing roll, which precipitated a nose over.NTSB ANC01LA029Accident · No injuriesLimited investigationFinal reportPiper PA-18 · Anchorage, AKThe 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 ANC97LA156Accident · No injuriesLimited investigationFinal reportPiper PA-12 · Gustavus, AKThe 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 ANC96LA128Accident · No injuriesLimited investigationFinal reportChampion 7GCBC · Kenai, AKthe 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 ANC95LA154Accident · No injuriesLimited investigationFinal reportPiper PA-18 · Sleetmute, AKThe pilot's adequate compensate for wind conditions and failure to maintain directional control of the airplane. The crosswind was a related factor.NTSB ANC94LA141Accident · Serious injuriesLimited investigationFinal reportArtic S-1B2 · Wasilla, AKA failure of the pilot to maintain adequate airspeed. A lack of total aeronautical experience was a factor in the accident.NTSB ANC92LA171Accident · No injuriesLimited investigationFinal reportPiper PA-18-150 · Totatlanika Rvr, AKThe 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 ANC91LA155Accident · No injuriesLimited investigationFinal reportPiper PA-18-150 · Eagle, AKThe damage sustained when striking a rock during the previous takeoff roll which resulted in the main landing gear's collapse during landing.NTSB ANC89LA063Accident · Minor injuriesLimited investigationFinal reportPiper PA-18 · Talkeetna, AKThe 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 ANC87LA058Accident · No injuriesLimited investigationFinal reportPiper PA-18 · Valdez, AKThe 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 ANC85FA086Accident · No injuriesField investigationFinal reportPiper PA-18-150 · Anchorage, AKAcft 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 ANC85LA010Accident · Serious injuriesLimited investigationFinal reportPiper PA-18 · Port Heiden, AKAccording 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 ANC83LA147Accident · No injuriesLimited investigationFinal reportPiper PA-18-150 · Eagle, AKThe 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 ANC78DAG62Accident · No injuriesClosedBellanca 7ECA · Palmer, AKNTSB ANC70D0040Accident · No injuriesClosedPiper PA-18 · Takotna, AKNTSB ANC67D0012Accident · No injuriesClosedPiper PA-18 · Paxton, AKNTSB ANC65F0011Accident · No injuriesClosedPiper PA-18 · Fairbanks, AK