# NTSB investigations: Lycoming I0360 series, WI 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. Page 1 of 2 · 56 cases ## Latest cases - [NTSB CEN25LA053](https://openairdocs.org/ntsb/CEN25LA053.md): Piper PA-28R-200 · Boscobel, WI · Accident · No injuries · Class 3 · Limited · Final report · Dec 2, 2024 · N41997 · Substantial damage > The ice obstruction of the engine oil breather tube and alternate air outlet, which resulted in a failure of the crankcase oil seal and loss of engine oil. Contributing to the accident was the incorrect engine oil breather tube installed in the airplane by… - [NTSB CEN24LA288](https://openairdocs.org/ntsb/CEN24LA288.md): Piper PA-28R-180 · Ft. Atkinson, WI · Accident · No injuries · Class 4 · Limited · Final report · Jul 27, 2024 · N980BL · Substantial damage > The pilot’s failure to extend the landing gear before landing due to distractions and his failure to conduct the Before Landing checklist. - [NTSB CEN24LA294](https://openairdocs.org/ntsb/CEN24LA294.md): Mooney M20J · Appleton, WI · Incident · No injuries · Class 4 · Limited · Final report · Jul 24, 2024 · N555ED · Minor damage > The pilot’s failure to maintain adequate wingtip clearance while taxiing. Contributing to the accident was the ambiguous nonstandard parking at the time of the incident. - [NTSB WPR20CA208](https://openairdocs.org/ntsb/WPR20CA208.md): Mooney M20E · Neenah, WI · Accident · No injuries · Class 4 · Data collection · Final report · Jul 4, 2020 · N3440X · Substantial damage > The pilot's improper landing flare, which resulted in a bounced, hard landing and subsequent runway overrun. - [NTSB CEN19IA234](https://openairdocs.org/ntsb/CEN19IA234.md): Mooney M20J · Oshkosh, WI · Incident · No injuries · Class 3 · Incident · Final report · Jul 21, 2019 · N9201A · 2 aircraft · Minor damage > The failure of both pilots to remain clear of the other while flying in formation. - [NTSB GAA17LA090](https://openairdocs.org/ntsb/GAA17LA090.md): Piper PA28R · Watertown, WI · Accident · No injuries · Limited investigation · Final report · Nov 5, 2016 · N300KR · Substantial damage > The pilot’s failure to attain a proper glidepath on approach for landing, which resulted in impact with trees. Contributing to the accident was a partial, temporary loss of engine power for reasons that could not be determined because postaccident examination… - [NTSB CEN16LA206](https://openairdocs.org/ntsb/CEN16LA206.md): Beech A23-24 · Clintonville, WI · Accident · No injuries · Limited investigation · Final report · May 30, 2016 · N5771V · Substantial damage > The pilot’s failure to maintain the proper glidepath during the night visual approach, which resulted in impact with a runway threshold light, and his improper landing flare, which resulted in a hard landing. Contributing to the accident was the pilot's… - [NTSB CEN14CA257](https://openairdocs.org/ntsb/CEN14CA257.md): Piper PA 28R-200 · La Pointe, WI · Accident · Minor injuries · Data collection · Final report · May 24, 2014 · N32195 · Substantial damage > The pilot's failure to maintain control of the airplane during the landing. - [NTSB CEN13FA438](https://openairdocs.org/ntsb/CEN13FA438.md): Piper PA-28R-200 · Lake Michigan, WI · Accident · 2 fatal · Field investigation · Final report · Jul 27, 2013 · N1549X · Destroyed > An encounter with wake turbulence, which resulted in the pilot’s loss of control of the airplane and its subsequent in-flight breakup. Contributing to the accident was the approach controller’s failure to issue a wake turbulence advisory to the pilot. - [NTSB CEN12CA598](https://openairdocs.org/ntsb/CEN12CA598.md): Mooney M20E · Gresham, WI · Accident · No injuries · Data collection · Final report · Aug 17, 2012 · N5642Q · Substantial damage > The pilot's failure to maintain airplane control and clearance from field corn during takeoff. - [NTSB CEN12FA025](https://openairdocs.org/ntsb/CEN12FA025.md): Piper PA-28R-200 · Watertown, WI · Accident · No injuries · Field investigation · Final report · Oct 17, 2011 · N300KR · Substantial damage > The separation of the number 2 connecting rod from the crankshaft for reasons that could not be determined during postaccident metallurgical examination, which ultimately resulted in a total loss of engine power. - [NTSB CEN09LA424](https://openairdocs.org/ntsb/CEN09LA424.md): Consolidated Aeronautics Lake LA-4-200 · Racine, WI · Accident · No injuries · Limited investigation · Final report · Jul 4, 2009 · N56LA · Substantial damage > The pilot's improper landing flare that resulted in a hard landing and subsequent separation of the airplane's sponson. - [NTSB CHI08CA047](https://openairdocs.org/ntsb/CHI08CA047.md): Cessna Skyhawk 172 · Wausau, WI · Accident · No injuries · Data collection · Final report · Dec 8, 2007 · N2151J · Substantial damage > The pilot failed to maintain directional control during the landing roll. Factors that contributed to the accident included the snow on the runway and the snowbank. - [NTSB CHI05FA199](https://openairdocs.org/ntsb/CHI05FA199.md): Glasair GS-2 · Wautoma, WI · Accident · 1 fatal · Field investigation · Final report · Jul 27, 2005 · N105TW · Destroyed > the abrupt maneuver that was performed while failing to maintain airpeed, resulting in a stall, and uncontrolled impact with the ground without sufficient altitude to recover. - [NTSB CHI04FA290](https://openairdocs.org/ntsb/CHI04FA290.md): Beech B95A · Burlington, WI · Accident · 3 fatal · Field investigation · Final report · Sep 30, 2004 · N1703Y · Destroyed > The improper maintenance of the fuel servo resulting in a loose adjustment nut and subsequent failure of the fuel injection servo which led to a complete loss of power on the right engine. Other causes were the pilot's failure to obtain or maintain minimum… - [NTSB CHI04LA064](https://openairdocs.org/ntsb/CHI04LA064.md): Piper PA-28R-200 · Lone Rock, WI · Accident · Minor injuries · Limited investigation · Final report · Feb 7, 2004 · N5039S · Substantial damage > The pilot's continued flight into icing conditions resulting in ice accretion on the wing and his failure to maintain airspeed resulting in a stall. - [NTSB CHI04FA045](https://openairdocs.org/ntsb/CHI04FA045.md): Mooney 20E · Webster, WI · Accident · 2 fatal · Field investigation · Final report · Dec 20, 2003 · N1275X · Destroyed > The pilot's inadequate decision to conduct a low altitude flight maneuver without sufficient altitude to maintain clearance from the terrain. Low altitude flight and ostentatious display are contributing factors. - [NTSB CHI01IA248](https://openairdocs.org/ntsb/CHI01IA248.md): Boeing 727-2Q6 · Oshkosh, WI · Incident · No injuries · Incident investigation · Final report · Jul 27, 2001 · N782AT · 2 aircraft · No damage > The unsafe condition caused when the pilot taxied onto the runway. Factors relating to this accident were the pilot not following the instructions given him by the ground marshaller, his wrong taxi route, and his not obtaining clearance to taxi onto the… - [NTSB CHI01LA176](https://openairdocs.org/ntsb/CHI01LA176.md): Piper PA-28R-180 · Green Bay, WI · Accident · No injuries · Limited investigation · Final report · Jun 14, 2001 · N3718T · Substantial damage > The pilot not performing the pre-landing checklist, and the wheels-up landing made by the pilot. - [NTSB CHI01FA089](https://openairdocs.org/ntsb/CHI01FA089.md): Piper PA-28R-201 · Webb Lake, WI · Accident · 4 fatal · Field investigation · Final report · Feb 15, 2001 · N120CC · Destroyed > the pilot not maintaining altitude/clearance from the trees during takeoff. Factors were the trees, transmission wire, and the dark night. - [NTSB CHI94LA071](https://openairdocs.org/ntsb/CHI94LA071.md): Piper PA-28R-200 · Burlington, WI · Accident · No injuries · Limited investigation · Final report · Feb 2, 1994 · N5094S · Substantial damage > The student pilot's failure to maintain the proper glideslope. - [NTSB CHI91LA186](https://openairdocs.org/ntsb/CHI91LA186.md): Piper PA-28R-200 · Pulaski, WI · Accident · No injuries · Limited investigation · Final report · Jun 5, 1991 · N111CP · Substantial damage > The pilot's failure to select a proper touchdown point. A factor in the accident was inadequate runway maintenance by airport personnel. - [NTSB CHI89LA125](https://openairdocs.org/ntsb/CHI89LA125.md): Aerofab Lake LA 4-200 · Oshkosh, WI · Accident · No injuries · Limited investigation · Final report · Jul 2, 1989 · N65717 · Substantial damage > The pilot's encounter with unsuitable terrain (rough water) and his inability to maintain directional control. - [NTSB CHI88LA207](https://openairdocs.org/ntsb/CHI88LA207.md): Piper PA-28R-201 · Dodgeville, WI · Accident · No injuries · Limited investigation · Final report · Aug 13, 1988 · N47804 · Substantial damage > During an attempted landing in gusty wind, the pilot failed to maintain directional control, got blown off to the left side of the runway and experienced a tail strike. The pilot attempted to abort the landing, but was unable to climb out of ground effect,… - [NTSB CHI88LA059](https://openairdocs.org/ntsb/CHI88LA059.md): Piper PA-28R-180 · Wis. Rapids, WI · Accident · No injuries · Limited investigation · Final report · Feb 9, 1988 · N3790T · Substantial damage > Airplane drifted left into a snowbank while rolling out from a landing on a snow and ice covered runway. Landing winds as reported by the pilot were from 60 degrees to the right of the nose at 5 to 8 knots. - [NTSB CHI85LA267](https://openairdocs.org/ntsb/CHI85LA267.md): Piper PA-28-200 · New Richmond, WI · Accident · Minor injuries · Limited investigation · Final report · Jul 3, 1985 · N33006 · Substantial damage > The acft veered to the rt & hit a rwy marker during the attempted go-around. The wind was from 210 degrees at 19 KTS gusting to 27 KTS. The plt said that if the marker had been 'break-away' plastic the damage would have been negliable. - [NTSB CHI85LA123](https://openairdocs.org/ntsb/CHI85LA123.md): Piper PA-28-180 · Ephriam, WI · Accident · No injuries · Limited investigation · Final report · Feb 25, 1985 · N15652 · Substantial damage > The aircraft began drifting to the right during the landing flare. As the aircraft touched down the right wheel entered an area of slush. The aircraft then slid off the runway to the right into a snowbank, damaging the landing gear and left wing tip. The… - [NTSB CHI84LA360](https://openairdocs.org/ntsb/CHI84LA360.md): Beech B-24-R · Independence, WI · Accident · No injuries · Limited investigation · Final report · Aug 25, 1984 · N2217L · Substantial damage > The acft collided with trees near the departure end of the field during an attempted go-around. A passenger reported that the go-around was initiated at about 100 ft AGL, 1/2 way down the fld. The plt said the fld was in a valley, it wasa hot (reported temp… - [NTSB CHI84LA014](https://openairdocs.org/ntsb/CHI84LA014.md): Piper PA-28R-180 · Waupaca, WI · Accident · Minor injuries · Limited investigation · Final report · Oct 7, 1983 · N7695J · Substantial damage > Plt had made missed approaches at wausau & mosinee. Plt informed artc that he had a fuel problem. While receiving vectors to Waupaca arpt the eng quit & the acft crashed into trees. Total time of flt was 4+33. The right tank fuel filler cap was loose & the… - [NTSB CHI83LA349](https://openairdocs.org/ntsb/CHI83LA349.md): Beech A24R · Verona, WI · Accident · No injuries · Limited investigation · Final report · Aug 2, 1983 · N8016R · Substantial damage > The acft lost power during cruise and was damaged in an off arpt forced landing. During the landing roll in a field, acft contacted a fence and collapsed the nose gear. Examination of the bendix fuel injector SN30479, model RSA-5AD1 revealed that the fuel… - [NTSB CHI80FEP43](https://openairdocs.org/ntsb/CHI80FEP43.md): Piper PA-28R · Green Bay, WI · Accident · No injuries · Closed · Aug 7, 1980 · N7695J · Substantial damage - [NTSB CHI80IEP10](https://openairdocs.org/ntsb/CHI80IEP10.md): Mooney M20J · Waterloo, WI · Accident · No injuries · Closed · Dec 21, 1979 · N201UW · Substantial damage - [NTSB CHI79DEP64](https://openairdocs.org/ntsb/CHI79DEP64.md): Beech 23 · Appleton, WI · Accident · No injuries · Closed · Jul 21, 1979 · N2373W · Substantial damage - [NTSB CHI79DEP59](https://openairdocs.org/ntsb/CHI79DEP59.md): Beech A23 · Dodgeville, WI · Accident · No injuries · Closed · Jul 15, 1979 · N5780V · Substantial damage - [NTSB CHI79FEP41](https://openairdocs.org/ntsb/CHI79FEP41.md): Aerofab LA4200 · Coloma, WI · Accident · No injuries · Closed · Apr 10, 1979 · N65702 · Substantial damage - [NTSB CHI79DEP15](https://openairdocs.org/ntsb/CHI79DEP15.md): Piper PA-28R · Waupun, WI · Accident · No injuries · Closed · Dec 17, 1978 · N7607J · Substantial damage - [NTSB CHI78FEP68](https://openairdocs.org/ntsb/CHI78FEP68.md): Mooney M20F · Racine, WI · Accident · No injuries · Closed · Sep 11, 1978 · N9275V · Substantial damage - [NTSB CHI78FA069](https://openairdocs.org/ntsb/CHI78FA069.md): Piper PA-28R · Markesan, WI · Accident · No injuries · Closed · Sep 7, 1978 · N4508J · Substantial damage - [NTSB CHI76DEP49](https://openairdocs.org/ntsb/CHI76DEP49.md): Beech B24R · Walworth, WI · Accident · No injuries · Closed · Sep 4, 1976 · N2518W · Substantial damage - [NTSB CHI76FEP43](https://openairdocs.org/ntsb/CHI76FEP43.md): Piper PA-28R · Withee, WI · Accident · No injuries · Closed · Aug 13, 1976 · N4375X · Substantial damage - [NTSB CHI76FEP28](https://openairdocs.org/ntsb/CHI76FEP28.md): Piper PA-28R · Pulaski, WI · Accident · No injuries · Closed · Apr 20, 1976 · N4508J · Substantial damage - [NTSB CHI75DEP44](https://openairdocs.org/ntsb/CHI75DEP44.md): Piper PA-28R · Darlington, WI · Accident · No injuries · Closed · Jul 20, 1974 · N2712R · Substantial damage - [NTSB CHI73FEP17](https://openairdocs.org/ntsb/CHI73FEP17.md): Cessna 150K · Janesville, WI · Accident · No injuries · Closed · Aug 25, 1972 · N6466G · 2 aircraft · Substantial damage - [NTSB CHI73FEP08](https://openairdocs.org/ntsb/CHI73FEP08.md): Mooney M20E · Waukesha, WI · Accident · Minor injuries · Closed · Aug 4, 1972 · N6967U · Substantial damage - [NTSB CHI71FDJ40](https://openairdocs.org/ntsb/CHI71FDJ40.md): Piper PA-28R · Milwaukee, WI · Accident · No injuries · Closed · Feb 2, 1971 · N4970S · Substantial damage - [NTSB CHI71FDJ09](https://openairdocs.org/ntsb/CHI71FDJ09.md): Hughes 269B · Green Bay, WI · Accident · No injuries · Closed · Aug 5, 1970 · N9308F · Destroyed - [NTSB CHI70FDJ24](https://openairdocs.org/ntsb/CHI70FDJ24.md): Piper PA-28 · Watertown, WI · Accident · No injuries · Closed · Jun 17, 1970 · N6531J · Substantial damage - [NTSB CHI70FDJ11](https://openairdocs.org/ntsb/CHI70FDJ11.md): Mooney M20E · Lyndon Stn, WI · Accident · Minor injuries · Closed · Mar 7, 1970 · N2680W · Substantial damage - [NTSB CHI70D0009](https://openairdocs.org/ntsb/CHI70D0009.md): Mooney M20F · Pulaski, WI · Accident · No injuries · Closed · Apr 20, 1969 · N3549N · Substantial damage - [NTSB CHI69F0409](https://openairdocs.org/ntsb/CHI69F0409.md): Piper PA-28 · Sturtevant, WI · Accident · Minor injuries · Closed · Nov 24, 1968 · N4217T · Substantial damage Next page: https://openairdocs.org/ntsb.md?engine=41515&state=WI&page=2 ## 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" = '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 ('41515')) ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC ``` This list as a web page: https://openairdocs.org/ntsb?engine=41515&state=WI --- 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.