NTSB investigations: Lycoming 0-235 series, WI
101 cases on aircraft whose registry engine model is Lycoming 0-235 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 | 1 |
|---|---|
| 1965 | 2 |
| 1966 | 2 |
| 1967 | 3 |
| 1968 | 2 |
| 1970 | 1 |
| 1971 | 1 |
| 1972 | 1 |
| 1974 | 2 |
| 1975 | 2 |
| 1976 | 2 |
| 1977 | 1 |
| 1978 | 2 |
| 1979 | 3 |
| 1980 | 3 |
| 1981 | 10 |
| 1982 | 3 |
| 1983 | 4 |
| 1984 | 8 |
| 1985 | 4 |
| 1986 | 3 |
| 1987 | 3 |
| 1988 | 3 |
| 1989 | 2 |
| 1990 | 1 |
| 1991 | 3 |
| 1992 | 1 |
| 1993 | 2 |
| 1995 | 3 |
| 1997 | 1 |
| 1998 | 1 |
| 1999 | 2 |
| 2000 | 3 |
| 2004 | 1 |
| 2005 | 3 |
| 2006 | 1 |
| 2008 | 2 |
| 2009 | 1 |
| 2010 | 1 |
| 2011 | 1 |
| 2012 | 1 |
| 2013 | 1 |
| 2020 | 1 |
| 2022 | 2 |
| 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\" = '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 ('41505'))
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 ('41505'))
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 CEN26LA208Accident · Minor injuriesClass 3 · LimitedPreliminary reportAmerican AA-1A · Amery, WIOn May 30, 2026, about 1113 central daylight time, a Grumman AA-1A airplane, N6416L, was substantially damaged when it was involved in an accident near Amery, Wisconsin. The pilot sustained minor injuries. The airplane was operated as a Title 14 Code of…NTSB CEN22LA220Accident · Serious injuriesClass 3 · LimitedFinal reportGrumman American Avn. AA-1B · River Falls, WIThe student pilot’s and flight instructor’s inadequate preflight fuel planning, which resulted in a total loss of engine power due to fuel exhaustion.NTSB CEN22FA214Accident · 1 fatalClass 3 · FieldFinal reportCessna 152 · Wauwatosa, WIThe student pilot’s exceedance of the airplane’s critical angle of attack, which resulted in a stall from which the student pilot could not recover.NTSB CEN20CA194Accident · No injuriesClass 4 · Data collectionFinal reportCessna 140 · Appleton, WIThe pilot's loss of control while landing a tailwheel airplane.NTSB CEN13CA528Accident · Minor injuriesData collectionFinal reportBellanca 7ECA · Delavan, WIThe collision with a hawk during the takeoff roll, which resulted in a loss of directional control, runway excursion, and subsequent noseover.NTSB CEN13FA060Accident · 2 fatalField investigationFinal reportGrumman American Avn. AA-1B · Burlington, WIThe pilot’s failure to maintain control of the airplane while maneuvering at a low altitude, which resulted in an inadvertent stall and spin.NTSB CEN11LA177Accident · Minor injuriesLimited investigationFinal reportPiper PA-16 · Lake Koshkonong, WIA loss of engine power for undetermined reasons during a low-altitude pass over a frozen lake.NTSB CEN10CA451Accident · No injuriesData collectionFinal reportPiper PA-12 · Wild Rose, WIThe pilot's loss of directional control during the takeoff roll.NTSB CEN09CA279Accident · Minor injuriesData collectionFinal reportAmerican AA-1 · Cumberland, WIThe pilot's failure to maintain control of the aircraft during takeoff in crosswind conditions.NTSB CHI08CA226Accident · Minor injuriesData collectionFinal reportAmerican AA-1A · Grantsburg, WIA loss of engine power for an undetermined reason.NTSB CHI08CA076Accident · No injuriesData collectionFinal reportAmerican AA-1A · Grantsburg, WIThe seizure of the left brake due to a buildup of ice between the rotor and brake pad. Contributing to the accident was the snow and slush covered runway, and the snowbank.NTSB CHI06CA259Accident · No injuriesData collectionFinal reportLuscombe 8E · Dodgeville, WIThe pilot encountering unsuitable terrain during the precautionary landing. A factor was the ditch the pilot encountered.NTSB CHI06CA052Accident · No injuriesData collectionFinal reportCessna 152 · Pelican Lake, WIThe pilot selecting an unsuitable landing area. Factors were the snow and ice covered lake.NTSB CHI05CA240Accident · No injuriesData collectionFinal reportPiper PA-12 · Boscobel, WIThe separation of the right main landing gear attachment bracket bolt during the landing and the pilot's aircraft control not possible with the collapsed gear.NTSB CHI05LA067Accident · No injuriesLimited investigationFinal reportCessna 152 · Sturtevant, WIThe pilot's failure to identify the electrical system failure and to maintain adequate airspeed during the landing approach. Factors associated with the accident were the electrical system failure, the snow covered terrain, and the pilot's lack of experience.NTSB CHI04CA118Accident · No injuriesData collectionFinal reportPiper PA-12 · Hartford, WIThe loss of engine power for undetermined reasons. A factor to the accident was the soft terrain encountered during the forced landing.NTSB CHI01LA054Accident · No injuriesLimited investigationFinal reportCessna 152 · Sturtevant, WIThe unsuitable terrain for landing selected by the student pilot, the inadequate initial training by the flight instructor, and the flight instructor's decision to send the student pilot on a solo flight in known adverse weather conditions. Factors to the…NTSB CHI01LA020Accident · No injuriesLimited investigationFinal reportChampion 7ECA · Pulaski, WIthe evasive maneuver initiated by the pilot. Factors were the presence of the skydiver on the runway, and the pilot's selection of a closed runway.NTSB CHI00LA313Accident · No injuriesLimited investigationFinal reportCessna 152 · Cumberland, WIthe go-around not performed and the inadequate flare by the pilot.NTSB CHI00LA034Accident · No injuriesLimited investigationFinal reportTaylorcraft F-21 · Houlton, WIthe mechanic failed to torque the rod cap bolt during the major engine overhaul. Factors relating to the accident included the rough field and the collapsed landing gear.NTSB CHI99FA129Accident · 2 fatalField investigationFinal reportCessna 152 · Superior, WIthe Certified Flight Instructor failed to maintain control of the airplane.NTSB CHI99LA060Accident · No injuriesLimited investigationFinal reportCessna 152 · Appleton, WIThe pilot's failure to maintain directional control. A related factor was the crosswind.NTSB CHI98LA030Accident · No injuriesLimited investigationFinal reportPiper PA-38 · Madison, WIthe flight instructor's (CFI's) inadequate supervision of the flight, and his failure to ensure that control of the airplane was maintained. Factors associated with the accident were: the CFI's improper use of flaps, and subsequent contact with the runway…NTSB CHI95LA315Accident · No injuriesLimited investigationFinal reportPiper PA-38 · Milwaukee, WIthe pilot's premature liftoff which resulted in a stall.NTSB CHI95LA238Accident · No injuriesLimited investigationFinal reportGrumman AA-1B · Oshkosh, WIthe pilot's failure to maintain clearance.NTSB CHI95LA099Accident · No injuriesLimited investigationFinal reportCessna 152 · Waukesha, WIthe student pilot's failure to maintain directional control during an aborted takeoff. A factor was the snow covered ground which contributed to the airplane nosing over as it departed the runway.NTSB CHI94LA037Accident · Serious injuriesLimited investigationFinal reportGrumman American AA-1B · Arcadia, WIthe loss of engine power for an undetermined reason(s).NTSB CHI93LA223Accident · No injuriesLimited investigationFinal reportBellanca 7ECA · Osceola, WIThe pilot in command's failure to maintain directional control.NTSB CHI92LA134Accident · Minor injuriesLimited investigationFinal reportBellanca 7ECA · La Crosse, WIVisual lookout inadequate and diverted attention by the pilot. A factor related to the accident was transmission wires crossing flight path.NTSB CHI91LA125Accident · No injuriesLimited investigationFinal reportCessna 152 · Oskosh, WIRefueling not performed resulting in loss of engine power due to fuel exhaustion. Factors related to the accident were misjudged fuel consumption calculations and non suitable terrain.NTSB CHI91LA096Accident · No injuriesLimited investigationFinal reportCessna 152 · Osseo, WIFuel exhaustion which occurred when the pilot became lost/disoriented. Factors related to the accident were: the pilot's lack of total experience, the terrain condition, and a fence.NTSB CHI91LA072Accident · No injuriesLimited investigationFinal reportPiper J3C-65 · Springbrook, WIThe pilot's attempt to takeoff with a strong gusty tailwind.NTSB CHI90LA266Accident · No injuriesLimited investigationFinal reportCessna 152 · Eau Claire, WIFuel exhaustion. Contributing factor was the unsuitable terrain.NTSB CHI90LA033Accident · No injuriesLimited investigationFinal reportCessna 152 · Eau Claire, WIFailure of the student pilot to maintain directional control of the aircraft, which resulted in an inadvertent ground swerve. Factors related to the accident were: the crosswind, the student's lack of total experience, his diversion of too much attention to…NTSB CHI89LA097Accident · Serious injuriesLimited investigationFinal reportPiper PA-22-108 · Necedah, WIPilot-in-command's improper use of the fuel selector.NTSB CHI88LA189Accident · No injuriesLimited investigationFinal reportCessna 152 · Eau Claire, WINTSB CHI88LA149Accident · Minor injuriesLimited investigationFinal reportPiper PA-38-112 · Grafton, WIWhile landing at a 1,900' sod airstrip with a 10 knot crosswind, the aircraft swerved to the left, ran off the runway and struck some small trees and shrubs. The pilot lacked total experience in low wing aircraft and lacked familiarity with that particular…NTSB CHI88LA116Accident · Minor injuriesLimited investigationFinal reportChampion 7GCBC · La Crosse, WINTSB CHI87LA206Accident · No injuriesLimited investigationFinal reportCessna 152 · Phillips, WIDuring the takeoff phase of a touch and go landing the student pilot lost directional control of the aircraft. The aircraft exited the runway to the left, struck a ditch and overturned. The student's instructor, who was a witness to the accident states that…NTSB CHI87LA127Accident · No injuriesLimited investigationFinal reportCessna 152 · Waukesha, WIAccording to the plt, he entered downwind for rwy 18 and the apch 'seemed normal.' The plt stated that he 'slipped into wind' on final apch and extended ten degrees of flaps, but when he straightened out, the acft 'veered' to the left suddenly. According to…NTSB CHI87LA122Accident · No injuriesLimited investigationFinal reportCessna 152 · Footville, WIPilot landed in a field to practice an emergency landing. After two unsuccessful attempts to takeoff from the soft, plowed field, the pilot taxiied onto a two-lane road. On lift off the left wing struck a road sign.NTSB CHI86LA167Accident · Minor injuriesLimited investigationFinal reportCessna A152 · Middleton, WIThe student pilot stated that he was practicing soft field takeoffs on a grass strip. He aborted his first attempt to make an intersection takeoff. On his second try, he thought he could get airborne, but did not. The aircraft struck an embankment near the…NTSB CHI86LA159Accident · No injuriesLimited investigationFinal reportCessna 152 · Shiocton, WICFI delayed corrective action during a practice forced landing by a student. Aircraft touched down with insufficient runway remaining to stop safely. During the subsequent go-around attempt the aircraft rolled into a plowed field and nosed over.NTSB CHI86FEP03Accident · Minor injuriesFinal reportSteinorth Extra Long EZ · Kenosha, WIDuring an apch to land, the eng of the home built acft lost power. The plt tried to restart the eng by using the ignition switch, but was unable. He turned to land in a pasture, but the acft hit an electrical wire & came to rest in a row of trees. The plt…NTSB CHI85LA215Accident · No injuriesLimited investigationFinal reportCessna 152 · Marshfield, WIThe pilot made a precautionary landing in a field. After checking the acft fuel tanks he attempted to takeoff on a gravel road. During the ground run the acft collided with trees & skidded into a field.NTSB CHI85LA192Accident · No injuriesLimited investigationFinal reportCessna A152 · West Bend, WIPlt departed fondulac, WI, with full fuel (24.5 gallons usable) and flew aprx 25 miles south where 2 1/2 hrs were spent taking aerial photographs. Flt then proceeded aprx 60 miles to manitowoc, WI where a landing was made. Departure was then made with aprx 9…NTSB CHI85FA185Accident · No injuriesField investigationFinal reportBeech B35 · Sussex, WIA student plt was on his 1st solo x-country flt in a Cessna 152, N6464L. After taking off at the brookfield arpt (elev 850 ft), he had climbed to 2000 ft MSL & was heading 350 deg when he saw a Beech B35 (bonanza), N5182C, converging from his right. The…NTSB CHI85LA183Accident · No injuriesLimited investigationFinal reportCessna 152 · Broadhead, WIThe plt stated that during arrival, he entered a traffic pattern for what he thought, according to his directional gyro, was rwy 9. Rwy 9 was 2500 ft long; however, he landed on rwy 3, which was 1520 ft long. During the landing, the plt was unable to stop on…NTSB CHI84LA358Accident · Serious injuriesLimited investigationFinal reportPiper PA-12 · Cottage Grove, WIWhile over-flying a local arpt at aprx 200 ft AGL the eng lost power. A forced landing was made in an adjacent alfalfa field. The acft landed hard in a nose low attitude and came to rest about 90 ft from initial ground contact.NTSB CHI84FA321Accident · No injuriesField investigationFinal reportS.I. Briggs Varieze · Pickett, WIThe acft contacted a 25 ft AGL 2 strand 14000 v power line. After contacting the lines, the acft touched down in a corn field and traveled for aprx 210 ft. the acft then crossed a 2 lane road, struck a ditch separating the canard/gear and traveled an…