# 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 2 of 6 · 268 cases ## Cases, newest first - [NTSB CHI05LA086](https://openairdocs.org/ntsb/CHI05LA086.md): Piper PA-28-151 · Waunakee, WI · Accident · No injuries · Limited investigation · Final report · Apr 3, 2005 · N56715 · Destroyed > The pilot's inadequate preflight planning and the delay in aborting the landing which resulted in the subsequent insufficient airspeed. Factors associated with the accident were the night light conditions, the fence, and the pole which the airplane contacted. - [NTSB CHI05CA075](https://openairdocs.org/ntsb/CHI05CA075.md): Cessna 172K · Portage, WI · Accident · Serious injuries · Data collection · Final report · Feb 26, 2005 · N7325G · Substantial damage > The pilot's failure to maintain adequate airspeed during the aborted landing, which resulted in an inadvertent stall at a low altitude. Factors to the accident were the pilot's lack of experience flying from the right pilot station and his failure to maintain… - [NTSB CHI05CA006](https://openairdocs.org/ntsb/CHI05CA006.md): Piper PA-28-160 · Altoona, WI · Accident · No injuries · Data collection · Final report · Oct 18, 2004 · N5520W · Substantial damage > The pilot's inadequate fuel management leading to the fuel starvation in the left tank during the flight's descent. A factor was the impacted power line. - [NTSB CHI04LA253](https://openairdocs.org/ntsb/CHI04LA253.md): Williams Glastar GS-1 · Hayward, WI · Accident · Serious injuries · Limited investigation · Final report · Sep 10, 2004 · N501YR · Substantial damage > The pilot's failure to adequately compensate for the wind conditions which resulted in a loss of aircraft control. A factor associated with the accident was the gusty wind condition. - [NTSB CHI04FA223](https://openairdocs.org/ntsb/CHI04FA223.md): Cessna 172L · Webster, WI · Accident · 1 fatal · Field investigation · Final report · Aug 12, 2004 · N3599F · Destroyed > The high velocity impact with terrain for undetermined reasons. - [NTSB CHI04CA211](https://openairdocs.org/ntsb/CHI04CA211.md): Stamsta Wittman Tailwind W10 · Waunakee, WI · Accident · No injuries · Data collection · Final report · Aug 1, 2004 · N917WT · Substantial damage > The pilot's failure to maintain proper airspeed during final approach, which resulted in the inadvertent stall/mush at a low altitude and subsequent hard landing. A factor to the accident was the pilot's unsuccessful remedial action to the encountered… - [NTSB CHI04CA168](https://openairdocs.org/ntsb/CHI04CA168.md): Peck Vans RV-4 · Palmyra, WI · Accident · No injuries · Data collection · Final report · Jun 30, 2004 · N43MP · Substantial damage > The pilot's failure to maintain proper airspeed resulting in the inadvertent stall during the go-around. The overload failure of the left main landing gear was a contributing factor. - [NTSB CHI04CA136](https://openairdocs.org/ntsb/CHI04CA136.md): Cessna 172P · Milwaukee, WI · Accident · No injuries · Data collection · Final report · Jun 4, 2004 · N50923 · Substantial damage > The CFI failed to maintain adequate airspeed during the go-around which resulted in an inadvertent stall. - [NTSB CHI04LA104](https://openairdocs.org/ntsb/CHI04LA104.md): Cessna 172M · New Munster, WI · Accident · No injuries · Limited investigation · Final report · Apr 10, 2004 · N73213 · 2 aircraft · Substantial damage > Visual lookout not maintained by the pilots of both airplanes. - [NTSB CHI03FA238](https://openairdocs.org/ntsb/CHI03FA238.md): Degair Lancair 360 · Oshkosh, WI · Accident · No injuries · Field investigation · Final report · Aug 1, 2003 · N3602D · 2 aircraft · Substantial damage > The other airplane pilot's inadequate visual look out and his failure to perform a go-around, and maintain clearance from the other aircraft. - [NTSB CHI03FA151](https://openairdocs.org/ntsb/CHI03FA151.md): Cessna 172P · Sheboygan, WI · Accident · 2 fatal · Field investigation · Final report · Jun 8, 2003 · N63319 · Destroyed > The pilot failed to maintain control of the airplane after encountering instrument meteorological conditions during takeoff. Factors associated with the accident were the low ceiling, fog and lack of instrument rating. - [NTSB CHI03LA053](https://openairdocs.org/ntsb/CHI03LA053.md): Robinson R22B · Oshkosh, WI · Accident · Minor injuries · Limited investigation · Final report · Jan 14, 2003 · N530DB · Substantial damage > The directional control not maintained by the unrated helicopter pilot, and the remedial action not performed by the pilot-in-command. The pilot-in-command's lack of certification as a certified flight instructor and the dark night conditions were… - [NTSB CHI03LA016](https://openairdocs.org/ntsb/CHI03LA016.md): LaFerriere Vans RV-4 · Lake Geneva, WI · Accident · No injuries · Limited investigation · Final report · Oct 27, 2002 · N994RV · Substantial damage > The loss of engine power due to carburetor ice. A contributing factor was the ditch adjacent to the roadway. - [NTSB CHI03LA017](https://openairdocs.org/ntsb/CHI03LA017.md): Cessna 172 · Neenah, WI · Accident · No injuries · Limited investigation · Final report · Oct 17, 2002 · N46459 · Substantial damage > The pilot failed to maintain clearance from the post. Factors included the post and the sun glare. - [NTSB CHI02LA280](https://openairdocs.org/ntsb/CHI02LA280.md): Cessna 172P · Sturtevant, WI · Accident · No injuries · Limited investigation · Final report · Sep 16, 2002 · N54091 · Substantial damage > The proper touchdown point not attained and the approach speed not obtained/maintained by the pilot. - [NTSB CHI02LA255](https://openairdocs.org/ntsb/CHI02LA255.md): Cessna 172P · Buffalo City, WI · Accident · No injuries · Limited investigation · Final report · Aug 19, 2002 · N381J · Substantial damage > The malfunction of the seat positioning system for undetermined reasons, which resulted in the loss of directional control. A factor to the accident was the descending embankment. - [NTSB CHI02LA245](https://openairdocs.org/ntsb/CHI02LA245.md): Piper PA22-150 · Sauk City, WI · Accident · Minor injuries · Limited investigation · Final report · Aug 8, 2002 · N8910D · Substantial damage > A loss of engine power due to a seized exhaust valve. A related factor was the mowed hay field. - [NTSB CHI02LA103](https://openairdocs.org/ntsb/CHI02LA103.md): Cessna 172N · Appleton, WI · Accident · No injuries · Limited investigation · Final report · Apr 10, 2002 · N733PX · Substantial damage > The pilots failure to maintain directional control of the airplane during the takeoff roll resulting in the subsequent impact with terrain. - [NTSB CHI02LA053](https://openairdocs.org/ntsb/CHI02LA053.md): Cessna 172L · Reedsburg, WI · Accident · No injuries · Limited investigation · Final report · Dec 9, 2001 · N4303Q · Substantial damage > The pilot inadvertently released the seat adjustment mechanism which resulted in the seat sliding back during takeoff, and his subsequent failure to maintain control of the airplane. A factor associated with the accident was the runway light control box,… - [NTSB CHI01LA324](https://openairdocs.org/ntsb/CHI01LA324.md): Robinson R22 Beta · East Troy, WI · Accident · Minor injuries · Limited investigation · Final report · Sep 26, 2001 · N214WW · Substantial damage > The inadvertent dynamic rollover the student pilot encountered following his excessive control inputs during the takeoff portion of the instructional flight and the instructor not performing the remedial action necessary to reduce the excessive control inputs… - [NTSB CHI01LA264](https://openairdocs.org/ntsb/CHI01LA264.md): Beech 23 · West Bend, WI · Accident · Minor injuries · Limited investigation · Final report · Aug 6, 2001 · N2367J · Substantial damage > The pilot not following the aircraft fuel management procedures. Factors were the fuel starvation, the low altitude, the manufacturers service instruction not complied with, and the tree. - [NTSB CHI01LA265](https://openairdocs.org/ntsb/CHI01LA265.md): Cessna 172M · Milton, WI · Accident · No injuries · Limited investigation · Final report · Aug 5, 2001 · N13715 · Substantial damage > The unsuitable terrain for landing encountered by the pilot. Factors were the high vegetation and the loss of engine power for undetermined reasons. - [NTSB CHI01LA159](https://openairdocs.org/ntsb/CHI01LA159.md): Cessna 172M · Middleton, WI · Accident · No injuries · Limited investigation · Final report · Jun 9, 2001 · N191WW · Substantial damage > The pilot attempted a touch and go on unsuitable terrain. A factor associated with the accident was the tall wet grass airstrip on which the touch and go was attempted. - [NTSB CHI01LA072](https://openairdocs.org/ntsb/CHI01LA072.md): Cessna 172P · Prairie Du Sac, WI · Accident · No injuries · Limited investigation · Final report · Jan 21, 2001 · N53118 · Substantial damage > the improper trim setting and the pilot failed to maintain control of the airplane. A factor was the snowbank. - [NTSB CHI00LA021](https://openairdocs.org/ntsb/CHI00LA021.md): Cessna 172N · Crandon, WI · Accident · No injuries · Limited investigation · Final report · Oct 25, 1999 · N4776E · Substantial damage > the deer that ran out onto the runway and collided with the airplane. A factor associated with the accident was the night lighting conditions. - [NTSB CHI98LA320](https://openairdocs.org/ntsb/CHI98LA320.md): Piper PA-18-150 · Lac Du Flambeau, WI · Accident · No injuries · Limited investigation · Final report · Aug 9, 1998 · N9044D · Substantial damage > the pilot's failure to maintain adequate airspeed and the subsequent inadvertant stall. - [NTSB CHI98LA228](https://openairdocs.org/ntsb/CHI98LA228.md): Cessna 172N · Stone Lake, WI · Accident · No injuries · Limited investigation · Final report · Jun 29, 1998 · N6596D · Substantial damage > the lack of effective braking due to hydroplaning. Contributing factors to the accident were the trees off the end of the runway that made a go-around not possible and the ditch off the end of the runway. - [NTSB CHI98LA134](https://openairdocs.org/ntsb/CHI98LA134.md): Cessna 172 · Eagle River, WI · Accident · No injuries · Limited investigation · Final report · Apr 25, 1998 · N79006 · Substantial damage > the pilot failed to compensate for the wind conditions, improperly executed a go-around when he raised the flaps, and failed to maintain obstacle clearance with the trees. - [NTSB CHI98LA061](https://openairdocs.org/ntsb/CHI98LA061.md): Piper PA-28-140 · Sturtevant, WI · Accident · 1 fatal · Limited investigation · Final report · Dec 13, 1997 · N5454S · Destroyed > The pilot's misjudgment of altitude/distance and her failure to maintain adequate visual lookout. Also causal was the pilot's failure to maintain adequate obstacle clearance. A contributing factor was the pilot experiencing a visual illusion. - [NTSB CHI97LA282](https://openairdocs.org/ntsb/CHI97LA282.md): Cessna 172M · Portage, WI · Accident · Minor injuries · Limited investigation · Final report · Aug 27, 1997 · N9026H · Substantial damage > the pilot's inadequate preflight preparation, and subsequent fuel exhaustion. Factors relating to this accident were: the guard rail, the highway, and the ditch. - [NTSB CHI97FA245](https://openairdocs.org/ntsb/CHI97FA245.md): Peck Osprey 2 · Poygen, WI · Accident · 2 fatal · Field investigation · Final report · Aug 4, 1997 · N4442C · Destroyed > A loss of control in flight for undetermined reasons. - [NTSB CHI97LA141](https://openairdocs.org/ntsb/CHI97LA141.md): Cessna 172N · Madison, WI · Accident · No injuries · Limited investigation · Final report · May 16, 1997 · N738LM · Substantial damage > the pilot's inadequate compensation for wind conditions which resulted in a loss of directional control of the airplane. Factors associated with the accident were the gusty, crosswind conditions and the VASI lights. - [NTSB CHI97TA070](https://openairdocs.org/ntsb/CHI97TA070.md): Cessna 172 · Oconto, WI · Accident · No injuries · Final report · Feb 15, 1997 · N61914 · Substantial damage > the failure of the pilot to maintain proper runway alignment and thus clearance with the snow drifts during takeoff. A factor was the distance the snow drifts extended past the runway edge. - [NTSB CHI96LA354](https://openairdocs.org/ntsb/CHI96LA354.md): Cessna 172L · Delavan, WI · Accident · No injuries · Limited investigation · Final report · Sep 29, 1996 · N7216Q · Substantial damage > the pilot's failure to assure the airplane was properly secured prior to hand-propping the engine. - [NTSB CHI96FA327](https://openairdocs.org/ntsb/CHI96FA327.md): Beech 23 · Tomahawk, WI · Accident · 1 fatal · Field investigation · Final report · Sep 5, 1996 · N2338Z · Destroyed > the student pilot's impairment of judgment and performance due to alcohol which led to his initiation of VFR flight into instrument meteorological conditions and loss of control. Factors were: the dark night and the weather conditions. - [NTSB CHI96LA227](https://openairdocs.org/ntsb/CHI96LA227.md): Cessna 172 · Cottage Grove, WI · Accident · Minor injuries · Limited investigation · Final report · Jun 27, 1996 · N1674E · Substantial damage > the pilot's failure to maintain directional control of the airplane during landing. A factor was the delayed go-around. - [NTSB CHI96LA136](https://openairdocs.org/ntsb/CHI96LA136.md): Cessna 172N · Middleton, WI · Accident · No injuries · Limited investigation · Final report · Apr 21, 1996 · N739BN · Substantial damage > failure of the pilot to maintain directional control of the airplane during the landing, which resulted in an inadvertent ground swerve. Factors relating to the accident were: the gusty crosswind condition, the pilot's excessive lowering of flaps, and the… - [NTSB CHI96FA029](https://openairdocs.org/ntsb/CHI96FA029.md): Piper PA-28-151 · Fond Du Lac, WI · Accident · 2 fatal · Field investigation · Final report · Nov 11, 1995 · N161FS · Destroyed > the pilot's intentional VFR flight into instrument meteorological conditions, and his failure to maintain altitude. Factors included the weather obscuration due to snow and fog, the dark night, and the pilot's lack of recent night flight time. - [NTSB CHI95LA324](https://openairdocs.org/ntsb/CHI95LA324.md): Cessna 177 · Camp Lake, WI · Accident · No injuries · Limited investigation · Final report · Sep 16, 1995 · N3497T · Substantial damage > the pilot's inadequate compensation for wind conditions, and failure to maintain altitude/clearance from the power line, while on short final approach. The downdraft was a related factor. - [NTSB CHI95FA310](https://openairdocs.org/ntsb/CHI95FA310.md): Champion 7GCB · Howard, WI · Accident · 1 fatal · Field investigation · Final report · Sep 3, 1995 · N9838Y · Destroyed > a loss of engine power due to water-contaminated fuel and the pilot's inadequate preflight. - [NTSB CHI95LA290](https://openairdocs.org/ntsb/CHI95LA290.md): Cessna 172P · Port Washington, WI · Accident · Minor injuries · Limited investigation · Final report · Aug 20, 1995 · N55404 · Substantial damage > the failure of the #2 cylinder due to fatigue cracking. A factor was the soft terrain. - [NTSB CHI95LA252](https://openairdocs.org/ntsb/CHI95LA252.md): Stevens Acro II · Oshkosh, WI · Accident · No injuries · Limited investigation · Final report · Jul 31, 1995 · N40LF · 2 aircraft · Minor damage > the failure of the pilot of the Acro II, N40LF, to maintain clearance from the Cessna 172, N5542R. - [NTSB CHI95LA176](https://openairdocs.org/ntsb/CHI95LA176.md): Piper PA-28-160 · Viroqua, WI · Accident · Serious injuries · Limited investigation · Final report · Jun 9, 1995 · N5762W · Substantial damage > The loss of engine power for undetermined reasons. - [NTSB CHI94LA326](https://openairdocs.org/ntsb/CHI94LA326.md): Cessna 172 · Brookfield, WI · Accident · Minor injuries · Limited investigation · Final report · Sep 8, 1994 · N7384G · Substantial damage > the commercial pilot's poor planning/decision making. A related factor is the wet, grass runway selected for landing. - [NTSB CHI94LA308](https://openairdocs.org/ntsb/CHI94LA308.md): Thalman Thorp T-18 · Kenosha, WI · Accident · No injuries · Limited investigation · Final report · Sep 2, 1994 · N2911 · Substantial damage > the pilot's failure to use carburetor heat in carburetor icing conditions. A factor associated with the accident is the prevailing carburetor icing conditions. - [NTSB CHI94LA167](https://openairdocs.org/ntsb/CHI94LA167.md): Piper PA-12 · Wausaukee, WI · Accident · Serious injuries · Limited investigation · Final report · May 21, 1994 · N7867H · Substantial damage > the pilot's inadequate preflight of the airplane. - [NTSB CHI93LA210](https://openairdocs.org/ntsb/CHI93LA210.md): Beech B19 · Janesville, WI · Accident · No injuries · Limited investigation · Final report · Jun 15, 1993 · N24674 · Substantial damage > The pilot's improper landing flare. - [NTSB CHI93LA205](https://openairdocs.org/ntsb/CHI93LA205.md): Cessna 172P · Hartford, WI · Accident · No injuries · Limited investigation · Final report · Jun 14, 1993 · N55404 · Substantial damage > The failure of the number four cylinder and unsuitable terrain. - [NTSB CHI93LA097](https://openairdocs.org/ntsb/CHI93LA097.md): Piper PA-28-161 · Marshfield, WI · Accident · No injuries · Limited investigation · Final report · Feb 25, 1993 · N3044N · Substantial damage > The student pilot's failure to maintain aircraft directional control during the takeoff ground run. - [NTSB CHI93LA067](https://openairdocs.org/ntsb/CHI93LA067.md): Piper PA-22-150 · La Pointe, WI · Accident · Minor injuries · Limited investigation · Final report · Jan 9, 1993 · N7057B · Substantial damage > Spatial disorientation of the pilot. Next page: https://openairdocs.org/ntsb.md?engine=41508&state=WI&page=3 ## 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&page=2&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.