NTSB investigations: Lycoming 0-320 series, WI
268 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 | 4 |
|---|---|
| 1965 | 3 |
| 1966 | 9 |
| 1967 | 4 |
| 1968 | 9 |
| 1969 | 9 |
| 1970 | 6 |
| 1971 | 6 |
| 1972 | 7 |
| 1973 | 9 |
| 1974 | 8 |
| 1975 | 2 |
| 1976 | 3 |
| 1977 | 4 |
| 1978 | 11 |
| 1979 | 11 |
| 1980 | 12 |
| 1981 | 6 |
| 1982 | 5 |
| 1983 | 4 |
| 1984 | 6 |
| 1985 | 6 |
| 1986 | 4 |
| 1987 | 3 |
| 1988 | 3 |
| 1989 | 6 |
| 1990 | 4 |
| 1991 | 3 |
| 1992 | 1 |
| 1993 | 4 |
| 1994 | 3 |
| 1995 | 6 |
| 1996 | 4 |
| 1997 | 5 |
| 1998 | 3 |
| 1999 | 1 |
| 2001 | 6 |
| 2002 | 6 |
| 2003 | 3 |
| 2004 | 7 |
| 2005 | 5 |
| 2006 | 4 |
| 2007 | 3 |
| 2008 | 3 |
| 2009 | 2 |
| 2010 | 3 |
| 2011 | 1 |
| 2012 | 2 |
| 2013 | 3 |
| 2014 | 3 |
| 2015 | 2 |
| 2016 | 3 |
| 2017 | 1 |
| 2018 | 3 |
| 2019 | 2 |
| 2020 | 2 |
| 2021 | 2 |
| 2022 | 1 |
| 2023 | 2 |
| 2024 | 2 |
| 2025 | 1 |
| 2026 | 2 |
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\" = 'WI' 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" = 'WI' 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 CEN26LA138Accident · No injuriesClass 4 · LimitedFinal reportCessna 172M · Solon Springs, WIThe pilot’s loss of directional control during landing, which resulted in a runway excursion and collision with terrain.NTSB CEN26LA094Accident · No injuriesClass 3 · LimitedPreliminary reportCessna 172K · Amery, WIOn January 16, 2026, about 1130 central standard time, a Cessna 172 airplane, N79118, was substantially damaged when it was involved in an accident near Amery, Wisconsin. The pilot was not injured. The airplane was operated as a Title 14 Code of Federal…NTSB CEN26LA035Accident · No injuriesClass 4 · LimitedFinal reportCessna 172 · Grantsburg, WIThe collision with a white-tail deer during the landing in dark night visual conditions.NTSB CEN24LA337Accident · No injuriesClass 3 · LimitedFinal reportPiper PA-28-140 · East Troy, WIThe pilot/mechanic’s improper torquing of the fuel hose fitting while replacing the fuel pump, which allowed air to enter the fuel system and resulted in a loss of engine power during initial climb. Contributing to the accident was the pilot/mechanic’s…NTSB CEN24LA082Accident · No injuriesClass 3 · LimitedFinal reportCessna 172N · Middleton, WIThe student pilot’s failure to maintain directional control during the takeoff roll.NTSB CEN24LA001Accident · Serious injuriesClass 4 · LimitedFinal reportBeech 23 · Waupaca, WIThe pilot’s failure to maintain directional control during the go-around, that resulted in a runway excursion and an impact with terrain.NTSB CEN23LA329Accident · Minor injuriesClass 3 · LimitedFinal reportVarga 2150A · Green Lake, WIA loss of engine power due to fuel exhaustion, which resulted from the pilot’s inadequate preflight planning.NTSB CEN22LA092Accident · No injuriesClass 4 · LimitedFinal reportCessna 172L · Minocqua, WIThe pilot’s loss of control during landing when the airplane encountered ice and snow on the runway.NTSB CEN21LA147Accident · No injuriesClass 3 · LimitedFinal reportPiper PA-23 · Oshkosh, WIThe failure of the nose landing gear lower drag link for reasons that could not be determined based on available information, which resulted in the collapse of the nose landing gear.NTSB CEN21LA127Accident · No injuriesClass 4 · LimitedFinal reportCessna 172N · Prairie du Sac, WIThe student pilot’s loss of directional control during takeoff, which resulted in the collision with a snowbank. Contributing to the accident was the compacted snow conditions on the runway surface.NTSB CEN20LA329Accident · Serious injuriesClass 3 · LimitedFinal reportPiper PA22 · Burlington, WIA partial loss of engine power due to the formation of carburetor ice while on the ground, which resulted in reduced climb capability and impact with trees during the initial climb.NTSB CEN20CA257Accident · No injuriesClass 4 · Data collectionFinal reportCessna 172 · Reedsburg, WIThe student pilot's improper landing flare, which resulted a hard, bounced landing.NTSB CEN19CA239Accident · No injuriesData collectionFinal reportCessna 172 · Oshkosh, WIThe pilot's improper fuel planning and decision to not divert to a closer airport when the planned flight profile changed, which resulted in a total loss of engine power due to fuel exhaustion.NTSB CEN19LA224Accident · No injuriesClass 3 · LimitedFinal reportPiper PA18 · Osceola, WIThe failure of the right horizontal stabilizer during takeoff, resulting in a loss of control and forced landing. Contributing to the accident was the installation of an unapproved stabilizer frame and failure of maintenance personnel to identify…NTSB GAA18CA546Accident · No injuriesData collectionFinal reportPiper PA28 · De Pere, WIThe pilot's improper decision not to abort the takeoff after the airplane encountered standing water on the runway, which decreased its speed and led to its subsequent inability to climb and resulted in a runway overrun.NTSB GAA18CA490Accident · Serious injuriesData collectionFinal reportCessna 172 · DePere, WIThe pilot’s failure to maintain lateral control and his subsequent failure to maintain the runway heading during an attempted go-around, which resulted in impact with trees.NTSB GAA18CA329Accident · No injuriesData collectionFinal reportDobbs George Coot · Malone, WIThe pilot’s improper decision to take off with a known structural issue, which resulted in hull damage.NTSB GAA18CA005Accident · No injuriesData collectionFinal reportCessna 172 · Black River Falls, WIThe pilot’s failure to maintain directional control during landing in gusting crosswind conditions.NTSB CEN17LA006Accident · No injuriesLimited investigationFinal reportCessna 172K · Wilmot, WIA failure of the No. 1 piston pin plug due to corrosion in the cylinder barrel, which resulted in oil contamination, oil starvation to the crankshaft connecting rod bearings, and a subsequent partial loss of engine power.NTSB CEN16LA309Accident · No injuriesLimited investigationFinal reportCessna 172K · Neenah, WIA loss of engine power due to oil starvation, which resulted from the pilot, who was not a certified airframe and powerplant mechanic, removing the vacuum pump from the engine, and his misconception that he could operate the airplane without the pump.NTSB CEN16LA097Accident · No injuriesLimited investigationFinal reportPiper PA 28-140 · Sturtevant, WIThe pilot's failure to maintain a proper glidepath during a landing at dusk, which resulted in impact with a moving ground vehicle. Contributing to the accident was the inoperative precision approach path indicator.NTSB GAA15CA290Accident · No injuriesData collectionFinal reportCessna 172M · Shiocton, WIThe pilot's decision to continue to land at an unlighted airstrip, at night, after the landing light failed on approach, which resulted in a bounced landing, runway excursion, and collision with terrain.NTSB CEN15LA413Accident · Minor injuriesLimited investigationFinal reportVenus CP328 Super Emeraude · Port Wing, WIThe pilot’s undershooting the landing area and the subsequent impact with a hay bale. Also causal to the accident was the operation of the airplane in conditions conducive to carburetor icing, which reduced the engine power during the landing.NTSB CEN15CA071Accident · Minor injuriesData collectionFinal reportPiper PA 18-150 · Minocqua, WIThe pilot did not maintain directional control of the airplane during the landing flare when a sudden wind shift occurred.NTSB CEN14CA496Accident · No injuriesData collectionFinal reportCessna 172M · Oxford, WIThe pilot did not compensate for the decrease in the crosswind when he descended below the tree line during the landing.NTSB CEN14FA396Accident · Serious injuriesField investigationFinal reportRender RV 9A · Oshkosh, WIThe pilot's failure to establish a stabilized approach and to maintain airspeed during final approach over obstacles resulting in a stall/mush.NTSB CEN13CA316Accident · No injuriesData collectionFinal reportSheldrick John H RV-6 · Brookfield, WIThe pilot's failure to maintain runway alignment and his failure to recognize that the airplane had drifted away from the runway prior to landing.NTSB CEN13CA175Accident · Minor injuriesData collectionFinal reportCessna 177 · Elcho, WIThe pilot's inadequate preflight and in-flight fuel management, which led to a total loss of engine power due to fuel exhaustion.NTSB CEN13CA187Accident · No injuriesData collectionFinal reportChampion 7GCAA · Oshkosh, WIFatigue cracking and failure of the left wheel strut mount resulting in collapse of the left main landing gear during taxi.NTSB CEN12LA508Accident · Serious injuriesLimited investigationFinal reportCessna 172M · South Wayne, WIInternal engine component failures, which resulted from oil starvation due to debris in the oil system.NTSB CEN12LA182Accident · No injuriesLimited investigationFinal reportPiper PA-22-150 · East Troy, WIThe pilot's inadequate fuel management, which resulted in a total loss of engine power due to fuel exhaustion.NTSB CEN11CA271Accident · No injuriesData collectionFinal reportCessna 172N · Appleton, WIThe student pilot's failure to maintain directional control of the airplane during takeoff.NTSB CEN10CA525Accident · Minor injuriesData collectionFinal reportWeber Acro Sport II · Plum City, WIThe pilot’s improper fuel planning, which resulted in a loss of engine power due to fuel exhaustion.NTSB CEN10CA158Accident · No injuriesData collectionFinal reportCessna 172M · Waupaca, WIThe student pilot's failure to maintain directional control while taking off in gusting winds.NTSB CEN10LA123Accident · Minor injuriesLimited investigationFinal reportCessna 172N · Genoa City, WIA total loss of engine power due to the failure of the bolts that held in place the connecting rods to the engine's No. 3 and No. 4 cylinders as a result of the engine overhaul facility's improper installation of the bolts during a recent overhaul.NTSB CEN10CA038Accident · No injuriesData collectionFinal reportPiper PA-18-150 · Three Lakes, WIThe pilot's improper flare and touchdown during the water landing.NTSB CEN09CA537Accident · No injuriesData collectionFinal reportRewey William M CH 801 · Cottage Grove, WIA total loss of engine power during initial climb due to fuel starvation from a blocked fuel screen that resulted from the pilot/owner's inadequate inspection and maintenance of the fuel system.NTSB CHI08LA197Accident · Serious injuriesLimited investigationFinal reportPiper PA-28-161 · Sparta, WIThe pilot's inadequate preflight planning and the pilot's delay in aborting the takeoff. Contributing to the accident was the airplane's overgross weight condition.NTSB CHI08CA188Accident · No injuriesData collectionFinal reportCessna 177A · Rhinelander, WIThe loss of engine power for an undetermined reason. A factor was the berm encountered during the forced landing.NTSB CHI08FA135Accident · 2 fatalField investigationFinal reportPiper PA-28-140 · Stevens Point, WIThe partial loss of engine power for undetermined reasons.NTSB CHI07LA249Accident · No injuriesLimited investigationFinal reportCessna C-177 · Webster, WIThe loss of engine power for an undetermined reason, and the pilot's misjudged flare during the subsequent forced landing.NTSB CHI07LA177Accident · Serious injuriesLimited investigationFinal reportCessna 172M · Rio Creek, WIThe pilot's improper aircraft weight and balance, and his failure to maintain sufficient airspeed to avoid a stall during takeoff-initial climb.NTSB CHI07CA132Accident · No injuriesData collectionFinal reportCessna 172P · Kenosha, WIThe pilot's improper recovery from a bounced landing, which resulted in a flat nose wheel tire and a buckled firewall. A factor was the porpoising that was encountered during the flare.NTSB CHI06CA253Accident · No injuriesData collectionFinal reportHedeman Tailwind W8 · Platteville, WIThe loss of engine power as a result of the pilot's inadequate preflight which resulted in a blocked fuel vent that led to fuel starvation.NTSB CHI06CA228Accident · No injuriesData collectionFinal reportPiper PA-18 · Waukesha, WIThe pilot's inadequate compensation for the crosswind and failure to maintain directional control which resulted in a groundloop. Factors included the closed runway and the crosswind condition.NTSB CHI06LA163Accident · 1 fatalLimited investigationFinal reportVarga 2150A · Columbus, WIThe pilot's failure to maintain adequate clearance from the trees during the attempted low altitude pass along the river. Contributing factors were the intentional low altitude flight maneuver, the pilot's improper decision to attempt that maneuver, and his…NTSB CHI06CA166Accident · No injuriesData collectionFinal reportPiper PA-28-140 · Walworth, WIThe pilot's delay in initiating a go-around and the resulting failure to maintain clearance to the vehicle on the adjacent roadway. The short length of the runway selected by the pilot and the vehicle were contributing factors.NTSB CHI05CA241Accident · Minor injuriesData collectionFinal reportPiper PA-22-150 · Brodhead, WIThe pilot's misjudged distance/altitude which resulted in an undershoot. A related factor was the vehicle the airplane contacted.NTSB CHI05CA219Accident · No injuriesData collectionFinal reportAmerican Champion 7GCBC · Watertown, WIThe flightcrew's failure to maintain directional control during landing rollout.NTSB CHI05FA194Accident · 1 fatalField investigationFinal reportCessna 172P · Jackson, WIThe pilot not maintaining aircraft control for undetermined reasons while maneuvering.