# NTSB investigations, 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 18 of 61 · 3,022 cases

## Cases, newest first

- [NTSB CHI98LA009](https://openairdocs.org/ntsb/CHI98LA009.md): Brown AIR Shark III · Green Bay, WI · Accident · No injuries · Limited investigation · Final report · Oct 6, 1997 · N42AE · Substantial damage
  > the pilot's improper flare, which resulted in a hard landing, subsequent failure of the left main landing gear, and his inability to maintain directional control. Factors related to the accident were: the runway light, and soft terrain.
- [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 CHI97LA263](https://openairdocs.org/ntsb/CHI97LA263.md): Grumman G-164B · Burlington, WI · Accident · No injuries · Limited investigation · Final report · Aug 16, 1997 · N7016Y · Substantial damage
  > the deer which contacted the airplane.
- [NTSB CHI97FA248](https://openairdocs.org/ntsb/CHI97FA248.md): Valley Adventurers Adventurer 333 · Fond Du Lac, WI · Accident · 1 fatal · Field investigation · Final report · Aug 5, 1997 · N323VA · Destroyed
  > The kit manufacturer's use of inadequate material in construction of the airplane, his inadequate application of quality controls resulting in the debonding of the horizontal stabilizer. Factors were the total loss of the horizontal stabilizer, the elevator,…
- [NTSB CHI97FA252](https://openairdocs.org/ntsb/CHI97FA252.md): Beech 76 · New Richmond, WI · Accident · 2 fatal · Field investigation · Final report · Aug 4, 1997 · N18960 · Destroyed
  > The certified flight instructor's inadequate supervision and delayed remedial action and the flight crew's lack of aircraft control. A factor was loss of control while maneuvering downwind by one of the pilot's.
- [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 CHI97LA251](https://openairdocs.org/ntsb/CHI97LA251.md): Larsen T-BIRD II · Oshkosh, WI · Accident · Serious injuries · Limited investigation · Final report · Aug 3, 1997 · N41873 · Substantial damage
  > the pilot's failure to maintain flying speed and loss of control resulting in a stall. Factors were the tree and the fence.
- [NTSB CHI97LA243](https://openairdocs.org/ntsb/CHI97LA243.md): Cessna 182P · Oshkosh, WI · Accident · No injuries · Limited investigation · Final report · Aug 3, 1997 · N125MW · Substantial damage
  > wake turbulence from another airplane encountered at an altitude which precluded regaining control of the airplane by the pilot.
- [NTSB CHI97LA244](https://openairdocs.org/ntsb/CHI97LA244.md): Piper PA-24-250 · Fond Du Lac, WI · Accident · Minor injuries · Limited investigation · Final report · Aug 2, 1997 · N720MB · Substantial damage
  > the pilot's improper use of the throttle control friction lock, and his inadequate remedial action. Related factors were his lack of experience in type of aircraft, the pilot's habit interference, and the presence of parked (standing) aircraft.
- [NTSB CHI97LA239](https://openairdocs.org/ntsb/CHI97LA239.md): Briegleb BG-12A · Superior, WI · Accident · 1 fatal · Limited investigation · Final report · Aug 2, 1997 · N5516V · Destroyed
  > the separation of the wing from the glider for undetermined reasons.
- [NTSB CHI97LA246](https://openairdocs.org/ntsb/CHI97LA246.md): Young RV-4 · Sparta, WI · Accident · No injuries · Limited investigation · Final report · Aug 1, 1997 · N654Y · Substantial damage
  > the pilot's inadequate compensation for wind conditions, and his improper recovery from a bounced landing, which resulted in an improper flare and hard landing. The gusty wind was a related factor.
- [NTSB CHI97LA242](https://openairdocs.org/ntsb/CHI97LA242.md): Boeing B75N1 · Lone Rock, WI · Accident · No injuries · Limited investigation · Final report · Jul 30, 1997 · N75939 · Substantial damage
  > a locked right brake which resulted in the pilot's inability to maintain direction control of the airplane during the landing roll.
- [NTSB CHI97LA230](https://openairdocs.org/ntsb/CHI97LA230.md): Jenkins RV-6 · Middleton, WI · Accident · Minor injuries · Limited investigation · Final report · Jul 28, 1997 · N126JM · Substantial damage
  > the pilot was too low on final approach and hit the high vegetation.
- [NTSB CHI97LA225](https://openairdocs.org/ntsb/CHI97LA225.md): Sorrell SNS-7 · Tomahawk, WI · Accident · No injuries · Limited investigation · Final report · Jul 27, 1997 · N774HB · Destroyed
  > The pilot encountered a tailplane stall. The factors involved were the pilot conducted a low altitude flight maneuver and encountered engine torque effect.
- [NTSB CHI97LA224](https://openairdocs.org/ntsb/CHI97LA224.md): Beech B-23 · Watertown, WI · Accident · Serious injuries · Limited investigation · Final report · Jul 24, 1997 · N9120T · Destroyed
  > a loss of engine power due to undetermined reason(s).
- [NTSB CHI97LA216](https://openairdocs.org/ntsb/CHI97LA216.md): Schweizer SGS 2-8 · Menominee Falls, WI · Accident · Serious injuries · Limited investigation · Final report · Jul 20, 1997 · N79106 · Substantial damage
  > the slippage of the glider launch equipment (winch). Factors were the pilot's encounter with a stall/spin and the lack of possibility for remedial action to avoid impact with the terrain.
- [NTSB CHI97LA215](https://openairdocs.org/ntsb/CHI97LA215.md): Cessna 182 · Chippewa Falls, WI · Accident · No injuries · Limited investigation · Final report · Jul 20, 1997 · N5820B · Substantial damage
  > the pilot's misjudgment of the fuel supply, and subsequent fuel exhaustion.
- [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 CHI97LA131](https://openairdocs.org/ntsb/CHI97LA131.md): Piper PA-12 · Sheboygan, WI · Accident · No injuries · Limited investigation · Final report · May 13, 1997 · N712MW · Substantial damage
  > the pilot's failure to maintain control of the airplane during the landing roll. A factor associated with the accident was the sudden change in wind conditions.
- [NTSB CHI97LA112](https://openairdocs.org/ntsb/CHI97LA112.md): Luscombe 8E · Wautoma, WI · Accident · No injuries · Limited investigation · Final report · Apr 15, 1997 · N26SH · Substantial damage
  > the pilot's improper use of the throttle. Factors were a crosswind and soft terrain.
- [NTSB CHI97LA099](https://openairdocs.org/ntsb/CHI97LA099.md): Piper PA-22 · Oshkosh, WI · Accident · Minor injuries · Limited investigation · Final report · Apr 4, 1997 · N9231D · Substantial damage
  > the pilot's inadequate compensation for the wind conditions, and his failure to maintain proper runway alignment, which resulted in a subsequent nose over. The gusty crosswind condition was a related factor.
- [NTSB CHI97LA088](https://openairdocs.org/ntsb/CHI97LA088.md): Cessna 150J · La Valle, WI · Accident · No injuries · Limited investigation · Final report · Mar 20, 1997 · N5526G · Substantial damage
  > the pilot's inadequate pre-flight planning/preparation which led to fuel exhaustion. A factor was the snow covered terrain.
- [NTSB CHI97LA087](https://openairdocs.org/ntsb/CHI97LA087.md): Cessna T210 · Janesville, WI · Accident · No injuries · Limited investigation · Final report · Mar 15, 1997 · N6677N · Substantial damage
  > the pilot inadvertently retracting the landing gear during the takeoff roll.
- [NTSB CHI97FA084](https://openairdocs.org/ntsb/CHI97FA084.md): Douglas DC-3C/BT-67R · Newton, WI · Accident · 4 fatal · Field investigation · Final report · Mar 15, 1997 · TZ389 · 2 aircraft · Destroyed
  > failure of the Beech A36 pilot to maintain clearance from the modified Douglas DC-3, while positioning the A36 for photography of the DC-3.
- [NTSB CHI97LA081](https://openairdocs.org/ntsb/CHI97LA081.md): Piper PA-28-181 · Mosinee, WI · Accident · No injuries · Limited investigation · Final report · Mar 7, 1997 · N8259M · Substantial damage
  > The formation of carburetor ice and the instructor pilot's failure to recognize conditions leading to carburetor icing and to take appropriate preventative action. Factors relating to this accident were the late application of carburetor heat, the icing…
- [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 CHI97FA047](https://openairdocs.org/ntsb/CHI97FA047.md): Beech C90 · Rhinelander, WI · Accident · Minor injuries · Field investigation · Final report · Dec 28, 1996 · N998VB · Substantial damage
  > the pilot-in-command's inadequate weather evaluation and continued flight into forecast severe icing conditions which exceeded the capabilty of the airplane's anti-ice/deice system. The icing conditions were a factor.
- [NTSB CHI97LA011](https://openairdocs.org/ntsb/CHI97LA011.md): Aero Commander 685 · Eden, WI · Accident · Serious injuries · Limited investigation · Final report · Oct 19, 1996 · N58RG · Destroyed
  > a partial loss of engine power due to improper adjustment of the fuel pump by an unqualified person (pilot-in-command) and the pilot's inadequate preflight planning which resulted in his selection of unsuitable terrain for the attempted takeoff. The pilot's…
- [NTSB CHI97LA015](https://openairdocs.org/ntsb/CHI97LA015.md): Cessna 180 · New Richmond, WI · Accident · No injuries · Limited investigation · Final report · Oct 14, 1996 · N1535C · Substantial damage
  > the dual student's failure to recover from the bounced landing and the instructor pilot's failure to correct the situation in time.
- [NTSB CHI97LA005](https://openairdocs.org/ntsb/CHI97LA005.md): Beech 23 · Neenah, WI · Accident · Minor injuries · Limited investigation · Final report · Oct 8, 1996 · N2398Z · Destroyed
  > the local terrain conditions around the airport. A factor was the inadequate runway safety area.
- [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 CHI96LA346](https://openairdocs.org/ntsb/CHI96LA346.md): Beech B23 · Viroqua, WI · Accident · No injuries · Limited investigation · Final report · Sep 22, 1996 · N66338 · Substantial damage
  > the pilot's inadequate aircraft preflight which led to fuel exhaustion. A factor was the rough uneven terrain.
- [NTSB CHI96LA335](https://openairdocs.org/ntsb/CHI96LA335.md): Piper PA-31 · Janesville, WI · Accident · No injuries · Limited investigation · Final report · Sep 13, 1996 · N27299 · Substantial damage
  > fuel exhaustion as a result of an inadequate preflight by the pilot in command.
- [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 CHI96IA320](https://openairdocs.org/ntsb/CHI96IA320.md): Cessna 525 · Milwaukee, WI · Incident · No injuries · Incident investigation · Final report · Aug 29, 1996 · N123JN · Minor damage
  > an uncontained failure of a high pressure turbine disk blade retention post due to fatigue. A factor relating to the incident was: inadequate design of the high pressure turbine disk. Fretting on the leading side of the lobe near the fracture origin may have…
- [NTSB CHI96LA337](https://openairdocs.org/ntsb/CHI96LA337.md): Ercoupe 415-C · Wausau, WI · Accident · No injuries · Limited investigation · Final report · Aug 25, 1996 · N94196 · Substantial damage
  > the pilot's selection of an unsuitable landing area, and his misjudgment of distance and speed, while attempting to minimize the effect of crossing an uneven area on the runway. The uneven runway condition was a related factor.
- [NTSB CHI96LA293](https://openairdocs.org/ntsb/CHI96LA293.md): Aero Commander 600 · Rhinelander, WI · Accident · No injuries · Limited investigation · Final report · Aug 12, 1996 · N1797S · Destroyed
  > a total loss of engine power for undetermined reasons.
- [NTSB CHI96LA286](https://openairdocs.org/ntsb/CHI96LA286.md): Schuler T Bird II · Fond Du Lac, WI · Accident · Serious injuries · Limited investigation · Final report · Aug 12, 1996 · N31774 · Substantial damage
  > loss of engine power because of improperly insulated ignition wiring. Factors relating to the accident were improper maintenance; and high obstructions in the emergency landing area, which the pilot had to avoid, resulting in a collision with terrain.
- [NTSB CHI96LA288](https://openairdocs.org/ntsb/CHI96LA288.md): Beech 23 · Wilmot, WI · Accident · No injuries · Limited investigation · Final report · Aug 10, 1996 · N1823Q · Destroyed
  > improper planning/decision by the flight instructor (CFI) by failing to ensure that the airplane would be able to clear brush and trees near the departure end of the runway.
- [NTSB CHI96FA278](https://openairdocs.org/ntsb/CHI96FA278.md): Lancair 320 · Fond Du Lac, WI · Accident · 1 fatal · Field investigation · Final report · Aug 8, 1996 · N320L · Destroyed
  > the fatigue in the propeller flange with soft material and oversized lightening holes. A factor was the pilot's inability to maintain control of the aircraft due to the exceeded weight and balance which led to a stall/spin.
- [NTSB CHI96LA271](https://openairdocs.org/ntsb/CHI96LA271.md): Cessna 150 · Wisconsin Rapid, WI · Accident · No injuries · Limited investigation · Final report · Aug 2, 1996 · N3238X · Substantial damage
  > fuel exhaustion, due to the pilot's improper planning/decision and inadequate fuel management.
- [NTSB CHI96LA268](https://openairdocs.org/ntsb/CHI96LA268.md): Ultravia Aero Int'l Pelican · Winneconne, WI · Accident · No injuries · Limited investigation · Final report · Aug 1, 1996 · CFPWZ · Substantial damage
  > failure of the pilot to maintain directional control of the airplane during the takeoff roll, which resulted in a ground swerve. The location of the tree was a related factor.
- [NTSB CHI96LA267](https://openairdocs.org/ntsb/CHI96LA267.md): Yakovlev YAK-3UA · Fond Du Lac, WI · Accident · No injuries · Limited investigation · Final report · Aug 1, 1996 · N33UA · Substantial damage
  > the pilot's inaccurate fuel consumption calculations, and his inadequate in-flight planning and decision making. The pilot's failure to declare an emergency fuel condition (inadequate communication) was a related factor.
- [NTSB CHI96LA263](https://openairdocs.org/ntsb/CHI96LA263.md): Rockwell S-2D · Bancroft, WI · Accident · Minor injuries · Limited investigation · Final report · Jul 31, 1996 · N1768S · Substantial damage
  > the pilot's inadequate compensation for wind conditions and failure to maintain directional control, which resulted in a ground swerve, encounter with soft/sandy terrain, and a subsequent noseover. Factors relating to the accident were: the pilot's selection…
- [NTSB CHI96LA262](https://openairdocs.org/ntsb/CHI96LA262.md): Piper PA-J3C · Camp Lake, WI · Accident · Minor injuries · Limited investigation · Final report · Jul 31, 1996 · N3445K · Substantial damage
  > seizure of the number 2 piston. Inadequate maintenance was a related factor.
- [NTSB CHI96LA253](https://openairdocs.org/ntsb/CHI96LA253.md): Yasecko LONG-EZE · Waukesha, WI · Accident · No injuries · Limited investigation · Final report · Jul 24, 1996 · N303Y · Substantial damage
  > Failure of the throttle cable.
- [NTSB CHI96LA252](https://openairdocs.org/ntsb/CHI96LA252.md): Boeing A75N1 · East Troy, WI · Accident · No injuries · Limited investigation · Final report · Jul 21, 1996 · N58712 · Substantial damage
  > corrosion and fracture of the rudder control horn.
- [NTSB CHI96LA236](https://openairdocs.org/ntsb/CHI96LA236.md): Wsk Pzl Mielec M-18 Dromader · Waupaca, WI · Accident · No injuries · Limited investigation · Final report · Jul 10, 1996 · N2047S · Substantial damage
  > inadequate maintenance of the throttle cable by maintenance personnel.
- [NTSB CHI96LA225](https://openairdocs.org/ntsb/CHI96LA225.md): Sisk BD-5 · Lake Geneva, WI · Accident · Serious injuries · Limited investigation · Final report · Jul 1, 1996 · N51SK · Destroyed
  > failure of the pilot to abort the takeoff, while there was sufficient runway remaining. The high temperature and calm wind were related factors.
- [NTSB CHI96LA222](https://openairdocs.org/ntsb/CHI96LA222.md): Piper J3C-90 · Racine, WI · Accident · 1 fatal · Limited investigation · Final report · Jun 29, 1996 · N77563 · Destroyed
  > was improper remdial action by the pilot after encountering a stall when the elevator back pressure was not removed and the ailerons were positioned for a right bank by that increasing the airplane's left yaw/roll action. Factors in this accident were a stall…

Next page: https://openairdocs.org/ntsb.md?state=WI&page=19

## 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'
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?page=18&state=WI

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