NTSB investigations: Lycoming 0-320 series, AK
1,542 cases on aircraft whose registry engine model is Lycoming 0-320 series. 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
| 1964 | 14 |
|---|---|
| 1965 | 12 |
| 1966 | 12 |
| 1967 | 26 |
| 1968 | 23 |
| 1969 | 18 |
| 1970 | 24 |
| 1971 | 15 |
| 1972 | 22 |
| 1973 | 27 |
| 1974 | 27 |
| 1975 | 22 |
| 1976 | 50 |
| 1977 | 36 |
| 1978 | 33 |
| 1979 | 39 |
| 1980 | 39 |
| 1981 | 29 |
| 1982 | 23 |
| 1983 | 27 |
| 1984 | 29 |
| 1985 | 37 |
| 1986 | 41 |
| 1987 | 33 |
| 1988 | 30 |
| 1989 | 34 |
| 1990 | 32 |
| 1991 | 32 |
| 1992 | 32 |
| 1993 | 32 |
| 1994 | 21 |
| 1995 | 31 |
| 1996 | 29 |
| 1997 | 23 |
| 1998 | 29 |
| 1999 | 30 |
| 2000 | 29 |
| 2001 | 15 |
| 2002 | 22 |
| 2003 | 27 |
| 2004 | 24 |
| 2005 | 23 |
| 2006 | 21 |
| 2007 | 19 |
| 2008 | 22 |
| 2009 | 19 |
| 2010 | 25 |
| 2011 | 25 |
| 2012 | 26 |
| 2013 | 12 |
| 2014 | 12 |
| 2015 | 19 |
| 2016 | 17 |
| 2017 | 13 |
| 2018 | 21 |
| 2019 | 17 |
| 2020 | 18 |
| 2021 | 23 |
| 2022 | 19 |
| 2023 | 15 |
| 2024 | 19 |
| 2025 | 14 |
| 2026 | 13 |
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 ('41508'))
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 ('41508'))
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 ANC26FA106Accident · 2 fatalClass 3 · FieldInvestigation openPiper PA-18-150 · Northway, AKNTSB WPR26LA366Accident · No injuriesClass 4 · LimitedInvestigation openAbbott Dudley L Levitator · Skwentna, AKNTSB ANC26LA101Accident · No injuriesClass 4 · LimitedInvestigation openPiper PA-18A 150 · Palmer, AKNTSB ANC26LA100Accident · No injuriesClass 4 · LimitedInvestigation openPiper PA12 · Arctic Village, AKNTSB ANC26LA071Accident · Serious injuriesClass 4 · LimitedInvestigation openBellanca 7GCBC · Skwentna, AKNTSB ANC26LA069Accident · No injuriesClass 3 · LimitedPreliminary reportPiper PA-18-150 · Mekoryuk, AKOn July 7, 2026 about 1430 Alaska daylight time, a Piper PA-18-150 airplane, N824JT, was substantially damaged when it was involved in an accident near Mekoryuk, Alaska. The pilot and one passenger were not injured. The airplane was operated as a Title 14…NTSB ANC26LA055Accident · No injuriesClass 4 · LimitedInvestigation openPiper PA-18 105 · Petersville, AKNTSB ANC26FA057Accident · 1 fatalClass 3 · FieldPreliminary reportPiper PA20 · Cordova, AKOn June 18, 2026, at approximately 1200, an experimental Piper PA-20 airplane, N7635K, was destroyed when it was involved in an accident about 44 miles southeast of Cordova, Alaska. The pilot was fatally injured. The airplane was operated as a Title 14 Code…NTSB ANC26LA056Accident · No injuriesClass 4 · LimitedInvestigation openPiper PA-22-160 · Russian Mission, AKNTSB ANC26LA046Accident · No injuriesClass 4 · LimitedInvestigation openPiper PA-18-125 · South Van Horn, AKNTSB ANC26LA043Accident · No injuriesClass 4 · LimitedInvestigation openPiper PA-18A 150 · Tyonek, AKNTSB ANC26LA034Accident · No injuriesClass 4 · LimitedInvestigation openPiper PA-18S-150 · Palmer, AKNTSB ANC26LA028Accident · No injuriesClass 4 · LimitedFinal reportPiper PA-18-150 · Palmer, AKThe pilot’s failure to maintain directional control during the landing roll in gusting wind conditions, which resulted in a ground loop.NTSB ANC26LA008Accident · No injuriesClass 4 · LimitedFinal reportCessna 172M · Palmer, AKThe student pilot’s failure to maintain directional control during the landing roll.NTSB ANC26LA006Accident · No injuriesClass 3 · LimitedPreliminary reportPiper PA-14 · Talkeetna, AKOn November 8, 2025 about 1300 Alaska standard time, a Piper PA-14 airplane, N5188H, was substantially damaged when it was involved in an accident near Talkeetna, Alaska. The pilot was not injured. The airplane was operated as a Title 14 Code of Federal…NTSB ANC25LA108Accident · No injuriesClass 4 · LimitedFinal reportPiper PA-18-150 · Delta Junction, AKThe pilot’s failure to maintain clearance from an object during takeoff, which resulted in a collision and ground loop. Contributing was the pilot’s selection of an unsuitable takeoff area.NTSB ANC25LA119Accident · No injuriesClass 4 · LimitedFinal reportPiper PA-18-150 · Eagle, AKThe pilot’s failure to maintain clearance from brush during landing.NTSB ANC25LA087Accident · No injuriesClass 4 · LimitedFinal reportPiper PA-22-160 · Homer, AKThe failure of the left main landing gear mount due to extensive corrosion while landing in an area of rough terrain.NTSB ANC25LA072Accident · No injuriesClass 4 · LimitedFinal reportPiper PA-18-150 · Dillingham, AKThe pilot’s failure to maintain direction control during takeoff roll which resulted in a ground loop, and subsequent runway excursion.NTSB ANC25LA060Accident · No injuriesClass 3 · LimitedPreliminary reportPiper PA-22-150 · Chinitna Bay, AKOn June 30, 2025, about 1630 Alaska daylight time, a Piper PA 22-150 airplane, N3609Z, was substantially damaged when it was involved in an accident near Chinitna Bay, Alaska. The pilot was not injured. The airplane was operated as a Title 14 Code of Federal…NTSB ANC25LA066Accident · No injuriesClass 4 · LimitedFinal reportPiper PA-18-135 · Chenega, AKThe pilot’s failure to maintain directional control during landing in gusting and variable wind conditions.NTSB ANC25LA071Accident · No injuriesClass 4 · LimitedFinal reportPiper PA-18-150 · Willow, AKThe flight instructor’s delayed remedial action/lack of supervision. Contributing to the accident was the pilot receiving instructions failure to maintain directional control during the landing roll in gusting wind conditions, which resulted in a ground loop.NTSB ANC25LA033Accident · No injuriesClass 4 · LimitedFinal reportPiper PA-18-150 · Bethel, AKThe pilot's delayed decision to abort the takeoff when the airplane was not attaining sufficient airspeed for takeoff and subsequently departed the end of the lake and collided with terrain.NTSB ANC25LA029Accident · No injuriesClass 4 · LimitedFinal reportCessna 172N · Manley Hot Springs, AKThe student pilot’s failure to maintain directional control during the landing roll on a snow and ice-covered runway, which resulted in a runway excursion and subsequent nose over.NTSB ANC25LA023Accident · No injuriesClass 4 · LimitedFinal reportCessna 172 · Cantwell, AKThe pilot’s failure to maintain altitude during a low-altitude maneuver which resulted in inadvertent ground contact and a nose over.NTSB ANC25LA024Accident · Minor injuriesClass 4 · LimitedFinal reportPiper PA-18-150 · Palmer, AKThe pilot's failure to maintain an appropriate airspeed during the landing approach, which resulted in exceedance of the critical angle of attack and an aerodynamic stall, during gusting wind conditions.NTSB ANC25LA022Accident · Minor injuriesClass 4 · LimitedFinal reportPiper PA-18-150 · Anchor Point, AKA complete loss of engine power as a result of carburetor ice due to the pilot’s failure to effectively use carburetor heat in conditions conducive to the formation of carburetor ice.NTSB ANC25LA014Accident · No injuriesClass 4 · LimitedFinal reportCessna 172N · Anchorage, AKThe student pilot’s failure to maintain directional control of the airplane during touch-and-go operations on an ice-covered runway during her first solo flight.NTSB ANC25LA012Accident · No injuriesClass 4 · LimitedFinal reportPiper PA-18-150 · Palmer, AKThe pilot’s improper airspeed management which resulted in a bounced landing and insufficient airspeed to perform a go around procedure.NTSB ANC25LA006Accident · No injuriesClass 4 · LimitedFinal reportPiper PA22 · Talkeetna, AKThe mechanical failure of the left main landing gear leg due to corrosion, resulting in substantial damage to the left struts.NTSB ANC25LA002Accident · No injuriesClass 4 · LimitedFinal reportPiper PA-22-160 · Kasilof, AKThe right main landing gear’s inadvertent contact with uneven terrain, which resulted in a hard landing. Contributing was the pilot’s failure to adequately assess the landing environment prior to touchdown.NTSB ANC24LA104Accident · No injuriesClass 4 · LimitedFinal reportPiper PA-22-150 · Dillingham, AKThe pilot’s failure to maintain directional control while taxiing in gusting wind conditions.NTSB ANC24LA100Accident · No injuriesClass 4 · LimitedFinal reportPiper PA-18-150 · Palmer, AKThe pilot's excessive braking during the landing roll, resulting in a ground loop and nose over.NTSB ANC24LA099Accident · No injuriesClass 4 · LimitedFinal reportPiper PA-18-150 · Skwentna, AKThe pilot’s failure to maintain directional control of the airplane during taxi in gusting wind conditions.NTSB ANC24LA098Accident · No injuriesClass 4 · LimitedFinal reportPiper PA-18-150 · Fairbanks, AKThe pilot’s failure to maintain a rate of climb sufficient to clear obstacles during takeoff, resulting in a collision with obstacles and a subsequent aerodynamic stall.NTSB ANC24FA091Accident · 2 fatalClass 3 · FieldPreliminary reportChampion 7GCBC · Ninilchik, AKOn September 13, 2024, about 0803 Alaska daylight time (AKDT), a Champion (Citabria) 7GCBC, N8CK, was substantially damaged when it was involved in an accident near Ninilchik, Alaska. The pilot and passenger were fatally injured. The airplane was operated as…NTSB ANC24LA090Accident · No injuriesClass 4 · LimitedFinal reportPiper PA-18A 150 · Denali, AKFailure to maintain clearance from terrain due to the airplane’s encounter with windshear during takeoff.NTSB ANC24LA083Accident · No injuriesClass 4 · LimitedFinal reportPiper PA22 · Aleknagik, AKThe pilot’s failure to maintain clearance from terrain while maneuvering at low altitude.NTSB ANC24LA082Accident · No injuriesClass 4 · LimitedFinal reportPiper PA-22-150 · Sagwon, AKA failure of the landing gear fitting at the fuselage attachment point to due to a poor weld joint.NTSB ANC24LA080Accident · No injuriesClass 4 · LimitedFinal reportPiper PA-18-150 · Arctic Village, AKThe pilot’s failure to maintain directional control of the airplane during takeoff in gusting wind conditions.NTSB ANC24LA072Accident · No injuriesClass 4 · LimitedFinal reportPiper PA18 · Goose Bay, AKThe pilot's failure to maintain directional control during the landing roll.NTSB ANC24LA061Accident · No injuriesClass 4 · LimitedFinal reportPiper PA-18-150 · Koliganek, AKThe pilot's improper landing flare and an improper recovery from a bounced landing, resulting in a loss of directional control, and a subsequent nose over.NTSB ANC24FA052Accident · 2 fatalClass 3 · FieldPreliminary reportPiper PA-18-150 · Moose Pass, AKOn June 18, 2024, about 1400 Alaska daylight time, a float-equipped Piper PA-18-150 airplane, N645DT, was substantially damaged when it was involved in an accident near Moose Pass, Alaska. The instructor pilot and the pilot receiving instruction were fatally…NTSB ANC24LA041Accident · No injuriesClass 4 · LimitedFinal reportBellanca 7GCBC · Knik, AKThe pilot's excessive braking during the landing roll, resulting in a nose over.NTSB ANC24LA031Accident · No injuriesClass 4 · LimitedFinal reportCessna 172P · Anchorage, AKThe student pilot’s failure to maintain directional control during landing.NTSB ANC24LA101Accident · No injuriesClass 4 · LimitedFinal reportPiper PA-18-105 Special · Big Lake, AKThe pilot’s failure to maintain clearance from an obstacle during takeoff.NTSB ANC24FA008Accident · 2 fatalClass 3 · FieldFinal reportPiper PA-18-150 · Anchor Point, AKAn impact to the left wing, at an undetermined time, for reasons that could not be determined, which partially separated the left wing and rendered the airplane uncontrollable.NTSB ANC24LA002Accident · No injuriesClass 4 · LimitedFinal reportPiper PA-18-150 · Wasilla, AKThe instructor pilot’s delayed action and over application of brakes which resulted in a nose-over.NTSB ANC23LA087Accident · No injuriesClass 4 · LimitedFinal reportBellanca 7GCBC · Beluga, AKThe pilot’s excessive application of brakes during landing that resulted in a nose over.NTSB ANC23LA084Accident · No injuriesClass 4 · LimitedFinal reportPiper PA-18-150 · Bethel, AKThe pilot’s excessive use of brakes during landing roll, which resulted in a nose-over.