# NTSB investigations: Lycoming 0-320 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 6 · 268 cases

## Latest cases

- [NTSB CEN26LA138](https://openairdocs.org/ntsb/CEN26LA138.md): Cessna 172M · Solon Springs, WI · Accident · No injuries · Class 4 · Limited · Final report · Mar 9, 2026 · N61761 · Substantial damage
  > The pilot’s loss of directional control during landing, which resulted in a runway excursion and collision with terrain.
- [NTSB CEN26LA094](https://openairdocs.org/ntsb/CEN26LA094.md): Cessna 172K · Amery, WI · Accident · No injuries · Class 3 · Limited · Preliminary report · Jan 16, 2026 · N79118 · Substantial damage
  > On 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 CEN26LA035](https://openairdocs.org/ntsb/CEN26LA035.md): Cessna 172 · Grantsburg, WI · Accident · No injuries · Class 4 · Limited · Final report · Nov 5, 2025 · N9490H · Substantial damage
  > The collision with a white-tail deer during the landing in dark night visual conditions.
- [NTSB CEN24LA337](https://openairdocs.org/ntsb/CEN24LA337.md): Piper PA-28-140 · East Troy, WI · Accident · No injuries · Class 3 · Limited · Final report · Sep 2, 2024 · N32435 · Substantial damage
  > The 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 CEN24LA082](https://openairdocs.org/ntsb/CEN24LA082.md): Cessna 172N · Middleton, WI · Accident · No injuries · Class 3 · Limited · Final report · Jan 4, 2024 · N3477E · Substantial damage
  > The student pilot’s failure to maintain directional control during the takeoff roll.
- [NTSB CEN24LA001](https://openairdocs.org/ntsb/CEN24LA001.md): Beech 23 · Waupaca, WI · Accident · Serious injuries · Class 4 · Limited · Final report · Oct 1, 2023 · N1963F · Substantial damage
  > The pilot’s failure to maintain directional control during the go-around, that resulted in a runway excursion and an impact with terrain.
- [NTSB CEN23LA329](https://openairdocs.org/ntsb/CEN23LA329.md): Varga 2150A · Green Lake, WI · Accident · Minor injuries · Class 3 · Limited · Final report · Jul 27, 2023 · N5601G · Substantial damage
  > A loss of engine power due to fuel exhaustion, which resulted from the pilot’s inadequate preflight planning.
- [NTSB CEN22LA092](https://openairdocs.org/ntsb/CEN22LA092.md): Cessna 172L · Minocqua, WI · Accident · No injuries · Class 4 · Limited · Final report · Jan 3, 2022 · N4209Q · Substantial damage
  > The pilot’s loss of control during landing when the airplane encountered ice and snow on the runway.
- [NTSB CEN21LA147](https://openairdocs.org/ntsb/CEN21LA147.md): Piper PA-23 · Oshkosh, WI · Accident · No injuries · Class 3 · Limited · Final report · Feb 27, 2021 · N1460P · Substantial damage
  > The 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 CEN21LA127](https://openairdocs.org/ntsb/CEN21LA127.md): Cessna 172N · Prairie du Sac, WI · Accident · No injuries · Class 4 · Limited · Final report · Feb 12, 2021 · N3477E · Substantial damage
  > The 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 CEN20LA329](https://openairdocs.org/ntsb/CEN20LA329.md): Piper PA22 · Burlington, WI · Accident · Serious injuries · Class 3 · Limited · Final report · Aug 9, 2020 · N6849B · Substantial damage
  > A 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 CEN20CA257](https://openairdocs.org/ntsb/CEN20CA257.md): Cessna 172 · Reedsburg, WI · Accident · No injuries · Class 4 · Data collection · Final report · Jun 12, 2020 · N738VY · Substantial damage
  > The student pilot's improper landing flare, which resulted a hard, bounced landing.
- [NTSB CEN19CA239](https://openairdocs.org/ntsb/CEN19CA239.md): Cessna 172 · Oshkosh, WI · Accident · No injuries · Data collection · Final report · Jul 28, 2019 · N79575 · Substantial damage
  > The 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 CEN19LA224](https://openairdocs.org/ntsb/CEN19LA224.md): Piper PA18 · Osceola, WI · Accident · No injuries · Class 3 · Limited · Final report · Jul 14, 2019 · N6983B · Substantial damage
  > The 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 GAA18CA546](https://openairdocs.org/ntsb/GAA18CA546.md): Piper PA28 · De Pere, WI · Accident · No injuries · Data collection · Final report · Sep 7, 2018 · N7595R · Substantial damage
  > The 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 GAA18CA490](https://openairdocs.org/ntsb/GAA18CA490.md): Cessna 172 · DePere, WI · Accident · Serious injuries · Data collection · Final report · Aug 14, 2018 · N1085U · Substantial damage
  > The 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 GAA18CA329](https://openairdocs.org/ntsb/GAA18CA329.md): Dobbs George Coot · Malone, WI · Accident · No injuries · Data collection · Final report · Jun 7, 2018 · N100TN · Substantial damage
  > The pilot’s improper decision to take off with a known structural issue, which resulted in hull damage.
- [NTSB GAA18CA005](https://openairdocs.org/ntsb/GAA18CA005.md): Cessna 172 · Black River Falls, WI · Accident · No injuries · Data collection · Final report · Oct 8, 2017 · N9664Q · Substantial damage
  > The pilot’s failure to maintain directional control during landing in gusting crosswind conditions.
- [NTSB CEN17LA006](https://openairdocs.org/ntsb/CEN17LA006.md): Cessna 172K · Wilmot, WI · Accident · No injuries · Limited investigation · Final report · Oct 4, 2016 · N46377 · Substantial damage
  > A 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 CEN16LA309](https://openairdocs.org/ntsb/CEN16LA309.md): Cessna 172K · Neenah, WI · Accident · No injuries · Limited investigation · Final report · Aug 2, 2016 · N46459 · Substantial damage
  > A 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 CEN16LA097](https://openairdocs.org/ntsb/CEN16LA097.md): Piper PA 28-140 · Sturtevant, WI · Accident · No injuries · Limited investigation · Final report · Feb 1, 2016 · N1572J · Substantial damage
  > The 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 GAA15CA290](https://openairdocs.org/ntsb/GAA15CA290.md): Cessna 172M · Shiocton, WI · Accident · No injuries · Data collection · Final report · Sep 20, 2015 · N20079 · Substantial damage
  > The 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 CEN15LA413](https://openairdocs.org/ntsb/CEN15LA413.md): Venus CP328 Super Emeraude · Port Wing, WI · Accident · Minor injuries · Limited investigation · Final report · Sep 5, 2015 · N328TV · Substantial damage
  > The 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 CEN15CA071](https://openairdocs.org/ntsb/CEN15CA071.md): Piper PA 18-150 · Minocqua, WI · Accident · Minor injuries · Data collection · Final report · Dec 7, 2014 · N41594 · Substantial damage
  > The pilot did not maintain directional control of the airplane during the landing flare when a sudden wind shift occurred.
- [NTSB CEN14CA496](https://openairdocs.org/ntsb/CEN14CA496.md): Cessna 172M · Oxford, WI · Accident · No injuries · Data collection · Final report · Sep 11, 2014 · N3510Q · Substantial damage
  > The pilot did not compensate for the decrease in the crosswind when he descended below the tree line during the landing.
- [NTSB CEN14FA396](https://openairdocs.org/ntsb/CEN14FA396.md): Render RV 9A · Oshkosh, WI · Accident · Serious injuries · Field investigation · Final report · Jul 30, 2014 · N82PR · Substantial damage
  > The pilot's failure to establish a stabilized approach and to maintain airspeed during final approach over obstacles resulting in a stall/mush.
- [NTSB CEN13CA316](https://openairdocs.org/ntsb/CEN13CA316.md): Sheldrick John H RV-6 · Brookfield, WI · Accident · No injuries · Data collection · Final report · Jun 4, 2013 · N77GT · Substantial damage
  > The 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 CEN13CA175](https://openairdocs.org/ntsb/CEN13CA175.md): Cessna 177 · Elcho, WI · Accident · Minor injuries · Data collection · Final report · Feb 17, 2013 · N30227 · Substantial damage
  > The pilot's inadequate preflight and in-flight fuel management, which led to a total loss of engine power due to fuel exhaustion.
- [NTSB CEN13CA187](https://openairdocs.org/ntsb/CEN13CA187.md): Champion 7GCAA · Oshkosh, WI · Accident · No injuries · Data collection · Final report · Feb 2, 2013 · N9691S · Substantial damage
  > Fatigue cracking and failure of the left wheel strut mount resulting in collapse of the left main landing gear during taxi.
- [NTSB CEN12LA508](https://openairdocs.org/ntsb/CEN12LA508.md): Cessna 172M · South Wayne, WI · Accident · Serious injuries · Limited investigation · Final report · Jul 10, 2012 · N12504 · Substantial damage
  > Internal engine component failures, which resulted from oil starvation due to debris in the oil system.
- [NTSB CEN12LA182](https://openairdocs.org/ntsb/CEN12LA182.md): Piper PA-22-150 · East Troy, WI · Accident · No injuries · Limited investigation · Final report · Mar 5, 2012 · N6849B · Substantial damage
  > The pilot's inadequate fuel management, which resulted in a total loss of engine power due to fuel exhaustion.
- [NTSB CEN11CA271](https://openairdocs.org/ntsb/CEN11CA271.md): Cessna 172N · Appleton, WI · Accident · No injuries · Data collection · Final report · Mar 31, 2011 · N73836 · Substantial damage
  > The student pilot's failure to maintain directional control of the airplane during takeoff.
- [NTSB CEN10CA525](https://openairdocs.org/ntsb/CEN10CA525.md): Weber Acro Sport II · Plum City, WI · Accident · Minor injuries · Data collection · Final report · Sep 5, 2010 · N819WW · Substantial damage
  > The pilot’s improper fuel planning, which resulted in a loss of engine power due to fuel exhaustion.
- [NTSB CEN10CA158](https://openairdocs.org/ntsb/CEN10CA158.md): Cessna 172M · Waupaca, WI · Accident · No injuries · Data collection · Final report · Mar 15, 2010 · N1472U · Substantial damage
  > The student pilot's failure to maintain directional control while taking off in gusting winds.
- [NTSB CEN10LA123](https://openairdocs.org/ntsb/CEN10LA123.md): Cessna 172N · Genoa City, WI · Accident · Minor injuries · Limited investigation · Final report · Feb 14, 2010 · N24CV · Substantial damage
  > A 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 CEN10CA038](https://openairdocs.org/ntsb/CEN10CA038.md): Piper PA-18-150 · Three Lakes, WI · Accident · No injuries · Data collection · Final report · Nov 1, 2009 · N4070Z · Substantial damage
  > The pilot's improper flare and touchdown during the water landing.
- [NTSB CEN09CA537](https://openairdocs.org/ntsb/CEN09CA537.md): Rewey William M CH 801 · Cottage Grove, WI · Accident · No injuries · Data collection · Final report · Aug 23, 2009 · N171WR · Substantial damage
  > A 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 CHI08LA197](https://openairdocs.org/ntsb/CHI08LA197.md): Piper PA-28-161 · Sparta, WI · Accident · Serious injuries · Limited investigation · Final report · Jul 19, 2008 · N2133V · Substantial damage
  > The 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 CHI08CA188](https://openairdocs.org/ntsb/CHI08CA188.md): Cessna 177A · Rhinelander, WI · Accident · No injuries · Data collection · Final report · Jul 1, 2008 · N2295Y · Substantial damage
  > The loss of engine power for an undetermined reason. A factor was the berm encountered during the forced landing.
- [NTSB CHI08FA135](https://openairdocs.org/ntsb/CHI08FA135.md): Piper PA-28-140 · Stevens Point, WI · Accident · 2 fatal · Field investigation · Final report · May 12, 2008 · N1813T · Substantial damage
  > The partial loss of engine power for undetermined reasons.
- [NTSB CHI07LA249](https://openairdocs.org/ntsb/CHI07LA249.md): Cessna C-177 · Webster, WI · Accident · No injuries · Limited investigation · Final report · Jul 8, 2007 · N2292Y · Substantial damage
  > The loss of engine power for an undetermined reason, and the pilot's misjudged flare during the subsequent forced landing.
- [NTSB CHI07LA177](https://openairdocs.org/ntsb/CHI07LA177.md): Cessna 172M · Rio Creek, WI · Accident · Serious injuries · Limited investigation · Final report · Jun 24, 2007 · N4422R · Substantial damage
  > The pilot's improper aircraft weight and balance, and his failure to maintain sufficient airspeed to avoid a stall during takeoff-initial climb.
- [NTSB CHI07CA132](https://openairdocs.org/ntsb/CHI07CA132.md): Cessna 172P · Kenosha, WI · Accident · No injuries · Data collection · Final report · May 8, 2007 · N97464 · Substantial damage
  > The 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 CHI06CA253](https://openairdocs.org/ntsb/CHI06CA253.md): Hedeman Tailwind W8 · Platteville, WI · Accident · No injuries · Data collection · Final report · Sep 3, 2006 · N4FD · Substantial damage
  > The 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 CHI06CA228](https://openairdocs.org/ntsb/CHI06CA228.md): Piper PA-18 · Waukesha, WI · Accident · No injuries · Data collection · Final report · Aug 7, 2006 · N2396J · Substantial damage
  > The 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 CHI06LA163](https://openairdocs.org/ntsb/CHI06LA163.md): Varga 2150A · Columbus, WI · Accident · 1 fatal · Limited investigation · Final report · Jun 25, 2006 · N8267J · Destroyed
  > The 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 CHI06CA166](https://openairdocs.org/ntsb/CHI06CA166.md): Piper PA-28-140 · Walworth, WI · Accident · No injuries · Data collection · Final report · Jun 25, 2006 · N1910T · Substantial damage
  > The 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 CHI05CA241](https://openairdocs.org/ntsb/CHI05CA241.md): Piper PA-22-150 · Brodhead, WI · Accident · Minor injuries · Data collection · Final report · Aug 20, 2005 · N2373P · Substantial damage
  > The pilot's misjudged distance/altitude which resulted in an undershoot. A related factor was the vehicle the airplane contacted.
- [NTSB CHI05CA219](https://openairdocs.org/ntsb/CHI05CA219.md): American Champion 7GCBC · Watertown, WI · Accident · No injuries · Data collection · Final report · Aug 5, 2005 · N515KG · Substantial damage
  > The flightcrew's failure to maintain directional control during landing rollout.
- [NTSB CHI05FA194](https://openairdocs.org/ntsb/CHI05FA194.md): Cessna 172P · Jackson, WI · Accident · 1 fatal · Field investigation · Final report · Jul 20, 2005 · N65875 · Destroyed
  > The pilot not maintaining aircraft control for undetermined reasons while maneuvering.

Next page: https://openairdocs.org/ntsb.md?engine=41508&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 ('41508'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=41508&state=WI

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