# 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 20 of 61 · 3,021 cases

## Cases, newest first

- [NTSB CHI95LA068](https://openairdocs.org/ntsb/CHI95LA068.md): Piper PA-28-181 · Brookfield, WI · Accident · Serious injuries · Limited investigation · Final report · Jan 16, 1995 · N39955 · Destroyed
  > The instructor's failure to maintain clearance with trees. Factors associated with the accident were the trees and the night lighting conditions.
- [NTSB CHI95LA033](https://openairdocs.org/ntsb/CHI95LA033.md): Cessna 150 · Tomahawk, WI · Accident · No injuries · Limited investigation · Final report · Nov 9, 1994 · N9143U · Substantial damage
  > the collision with deer during landing - flare/touchdown.
- [NTSB CHI95LA032](https://openairdocs.org/ntsb/CHI95LA032.md): Cessna 172 · Hudson, WI · Accident · Minor injuries · Limited investigation · Final report · Nov 6, 1994 · N734LJ · Substantial damage
  > inadequate maintenance (major overhaul) by maintenance personnel which resulted in the total loss of engine power. Soft terrain was a related factor.
- [NTSB CHI95LA023](https://openairdocs.org/ntsb/CHI95LA023.md): Cessna 172F · Cross Plains, WI · Accident · No injuries · Limited investigation · Final report · Oct 22, 1994 · N7969U · Substantial damage
  > the pilot's failure to use carburetor heat. Factors were carburetor icing conditions and rough/uneven terrain.
- [NTSB CHI95LA010](https://openairdocs.org/ntsb/CHI95LA010.md): Great Lakes 2T-1A-2 · Mt. Horeb, WI · Accident · No injuries · Limited investigation · Final report · Oct 10, 1994 · N933EB · Substantial damage
  > the pilot's excessive braking while taxiing from landing.
- [NTSB CHI94LA334](https://openairdocs.org/ntsb/CHI94LA334.md): Piper PA-28 · Madison, WI · Accident · No injuries · Limited investigation · Final report · Sep 18, 1994 · N2283Q · Substantial damage
  > The pilot-in-command not maintaining a proper glidepath during his final approach to landing. A factor associated with the accident was the lack of recent experience in the type operation performed by the pilot.
- [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 CHI94LA317](https://openairdocs.org/ntsb/CHI94LA317.md): Piper PA-28-140 · Princeton, WI · Accident · Minor injuries · Limited investigation · Final report · Sep 8, 1994 · N4188Q · Substantial damage
  > the pilot's premature liftoff.
- [NTSB CHI94LA312](https://openairdocs.org/ntsb/CHI94LA312.md): Cessna 172 · Milwaukee, WI · Accident · No injuries · Limited investigation · Final report · Sep 4, 1994 · N9955V · Substantial damage
  > the pilot's improper flare during touchdown. A factor in the accident was the rupture of the nose landing gear tire.
- [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 CHI94LA277](https://openairdocs.org/ntsb/CHI94LA277.md): Beech C90A · Janesville, WI · Accident · No injuries · Limited investigation · Final report · Aug 19, 1994 · N1553N · Substantial damage
  > the pilot-in-command's exceeding the design structural limits of the airplane. Factors were turbulence in clouds and the pilot- in-command;s continued flight into known adverse weather.
- [NTSB CHI94LA281](https://openairdocs.org/ntsb/CHI94LA281.md): Beech B-35 · Boyceville, WI · Accident · No injuries · Limited investigation · Final report · Aug 14, 1994 · N5095C · Substantial damage
  > The pilot-in-command's inadequate compensation for the existing wind conditions during the landing flare/touchdown. A factor was the gusty wind conditions.
- [NTSB CHI94LA278](https://openairdocs.org/ntsb/CHI94LA278.md): Cessna 120 · Manitowoc, WI · Accident · No injuries · Limited investigation · Final report · Aug 12, 1994 · N1987V · Substantial damage
  > the private pilot's improper use of brakes during the landing roll. A related factor is his lack of total experience.
- [NTSB CHI94LA268](https://openairdocs.org/ntsb/CHI94LA268.md): Piper PA-28-181 · Lone Rock, WI · Accident · Minor injuries · Limited investigation · Final report · Aug 7, 1994 · N6205J · Substantial damage
  > the pilot's failure to attain a proper touchdown point on the runway.
- [NTSB CHI94FA258](https://openairdocs.org/ntsb/CHI94FA258.md): Keuthan, Charles J. Buccaneer II · Oshkosh, WI · Accident · Minor injuries · Field investigation · Final report · Aug 1, 1994 · N5296C · Substantial damage
  > the pilot's inadvertent stall of the airplane. Factors were the tailwind condition and the pilot's inadequate compensation for the tailwind.
- [NTSB CHI94LA250](https://openairdocs.org/ntsb/CHI94LA250.md): Cessna 421C · Oshkosh, WI · Accident · No injuries · Limited investigation · Final report · Jul 29, 1994 · N819RA · Substantial damage
  > the pilot-in-command's misjudging the flare and his failure to maintain airspeed.
- [NTSB CHI94FA248](https://openairdocs.org/ntsb/CHI94FA248.md): Consolidated-Vultee BT-13A · Racine, WI · Accident · 2 fatal · Field investigation · Final report · Jul 29, 1994 · N79752 · Destroyed
  > Loss of power for undetermined reason(s). The dark night was a related factor.
- [NTSB CHI94LA239](https://openairdocs.org/ntsb/CHI94LA239.md): Cessna 172 · Marinette, WI · Accident · Minor injuries · Limited investigation · Final report · Jul 21, 1994 · N1399F · Substantial damage
  > The pilot's inadequate compensation for the wind conditions encountered. Factors associated with this accident were the pilot's inadequate remedial action and the gusty wind conditions.
- [NTSB CHI94LA237](https://openairdocs.org/ntsb/CHI94LA237.md): Piper PA-18-135 · Butte Des Mort, WI · Accident · No injuries · Limited investigation · Final report · Jul 20, 1994 · N9843Q · Substantial damage
  > A delayed remedial action by the instructor. A factor in this accident was a proper airspeed not being attained by the dual student.
- [NTSB CHI94LA221](https://openairdocs.org/ntsb/CHI94LA221.md): Beech 58 · Land O'Lakes, WI · Accident · Minor injuries · Limited investigation · Final report · Jul 6, 1994 · N625P · Substantial damage
  > the pilot's failure to maintain clearance with trees. Factors in the accident were the trees, the pilot's operation with known deficiencies in equipment, and the pilot's diverted attention.
- [NTSB CHI94LA216](https://openairdocs.org/ntsb/CHI94LA216.md): Cessna 172B · Shiocton, WI · Accident · Serious injuries · Limited investigation · Final report · Jul 1, 1994 · N7472X · Destroyed
  > the pilot's failure to maintain Vso during takeoff. Factors related to the accident was the disregard for performance data and trees.
- [NTSB CHI94LA210](https://openairdocs.org/ntsb/CHI94LA210.md): Taylorcraft BL-65 · Peshtigo, WI · Accident · No injuries · Limited investigation · Final report · Jun 25, 1994 · N26690 · Substantial damage
  > the pilot's failure to maintain airspeed during the takeoff which resulted in an inadvertent stall. A factor related to the accident was the tall grass on the airstrip.
- [NTSB CHI94LA204](https://openairdocs.org/ntsb/CHI94LA204.md): Bellanca 17-30 · Tomahawk, WI · Accident · Serious injuries · Limited investigation · Final report · Jun 17, 1994 · N8218R · Destroyed
  > The loss of engine power due to an undetermined reason. Factors in the accident were the lack of suitable terrain in preventing the pilot from making a safe forced landing.
- [NTSB CHI94LA179](https://openairdocs.org/ntsb/CHI94LA179.md): Piper PA-28-140 · Lodi, WI · Accident · Serious injuries · Limited investigation · Final report · May 29, 1994 · N55835 · Substantial damage
  > the pilot's failure to maintain direction control which resulted from a inadequate compensation for the crosswind conditions. Factors related to the accident were the pilot's diverted attention, the crosswind, the trees which were contacted.
- [NTSB CHI94LA182](https://openairdocs.org/ntsb/CHI94LA182.md): Cessna P-210N · Milwaukee, WI · Accident · No injuries · Limited investigation · Final report · May 28, 1994 · N4UD · Substantial damage
  > Improper in-flight planning and decision making by the pilot which resulted in fuel exhaustion.
- [NTSB CHI94LA176](https://openairdocs.org/ntsb/CHI94LA176.md): Snow 600-S2C · Bancroft, WI · Accident · No injuries · Limited investigation · Final report · May 25, 1994 · N1659S · Substantial damage
  > the pilots failure to select carburetor heat during an extended descent, which resulted in loss of engine power. Factors were carburetor icing conditions and the presence of a ditch at the forced landing site.
- [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 CHI94LA158](https://openairdocs.org/ntsb/CHI94LA158.md): Aeronca 11AC · Montello, WI · Accident · Minor injuries · Limited investigation · Final report · May 15, 1994 · N9462E · Substantial damage
  > the pilot's inadequate compensation for the wind conditions. A factor related to the accident was the crosswind.
- [NTSB CHI94LA156](https://openairdocs.org/ntsb/CHI94LA156.md): Cessna 150F · Chippewa Falls, WI · Accident · No injuries · Limited investigation · Final report · May 12, 1994 · N6872F · Substantial damage
  > the loss of engine power due to a binding carburetor heat door.
- [NTSB CHI94LA148](https://openairdocs.org/ntsb/CHI94LA148.md): North American T-6G · Prairie Du Sac, WI · Accident · Minor injuries · Limited investigation · Final report · May 5, 1994 · N3715G · Substantial damage
  > inadequate compensation for wind conditions which resulted in a failure to maintain directional control. Factors associated with the accident were the crosswind conditions and the soft terrain.
- [NTSB CHI94DER01](https://openairdocs.org/ntsb/CHI94DER01.md): Johnson Avid Flyer Mark IV · New Richmond, WI · Accident · Minor injuries · Final report · Apr 17, 1994 · N312RJ · Substantial damage
  > Carburetor ice, and the owner/builder's inadequate airplane/equipment design, in that there was no carburetor heat/control installed in the airplane. Factors related to the accident were: the weather (carburetor icing conditions), and obstacles (trees) in the…
- [NTSB CHI94FA330](https://openairdocs.org/ntsb/CHI94FA330.md): Bell 47G-5A · Wisconsin Rpds, WI · Accident · 1 fatal · Field investigation · Final report · Mar 22, 1994 · N2991W · Destroyed
  > Undetermined.
- [NTSB CHI94LA119](https://openairdocs.org/ntsb/CHI94LA119.md): Piper PA-28-180 · New Richmond, WI · Accident · No injuries · Limited investigation · Final report · Mar 21, 1994 · N7812W · Substantial damage
  > the failure of the pilot to maintain directional control.
- [NTSB CHI94DEP03](https://openairdocs.org/ntsb/CHI94DEP03.md): Lancair 360 · Waukesha, WI · Accident · No injuries · Final report · Mar 11, 1994 · N3603R · Substantial damage
  > The pilot's improper flare during landing. Factors related to the accident were a loss of directional control and rough terrain.
- [NTSB CHI94LA101](https://openairdocs.org/ntsb/CHI94LA101.md): Mooney M20C · Richland Center, WI · Accident · No injuries · Limited investigation · Final report · Mar 10, 1994 · N6811N · Substantial damage
  > improper use of carburetor heat. Factors related to the accident were carburetor icing conditions, and the sign and fence poles.
- [NTSB CHI94LA098](https://openairdocs.org/ntsb/CHI94LA098.md): Piper PA-28-140 · Madison, WI · Accident · No injuries · Limited investigation · Final report · Mar 7, 1994 · N2145T · Substantial damage
  > The pilot-in-command's poorly planned approach and failure to maintain the proper glidepath. The dark night was a factor.
- [NTSB CHI94DEP02](https://openairdocs.org/ntsb/CHI94DEP02.md): Corby Starlet · Watertown, WI · Accident · No injuries · Final report · Mar 5, 1994 · N754RG · Substantial damage
  > The pilot-in-command's improper use of the elevator and his lack of familiarity with the aircraft.
- [NTSB CHI94IA095](https://openairdocs.org/ntsb/CHI94IA095.md): British Aerospace ATP · Mosinee, WI · Incident · Minor injuries · Incident investigation · Final report · Feb 26, 1994 · N854AW · Minor damage
  > the inadequate design of the PBSI electrical switch(es), and the operator's failure to expeditiously implement corrective Service Bulletins.
- [NTSB CHI94LA092](https://openairdocs.org/ntsb/CHI94LA092.md): Cessna 170B · Waupaca, WI · Accident · No injuries · Limited investigation · Final report · Feb 19, 1994 · N4685C · Substantial damage
  > The failure of the pilot to maintain directional control. A factor related to the accident was the gusty crosswind.
- [NTSB CHI94LA091](https://openairdocs.org/ntsb/CHI94LA091.md): Cessna 150M · La Crosse, WI · Accident · No injuries · Limited investigation · Final report · Feb 18, 1994 · N704CE · Substantial damage
  > The failure of the exhaust valve in the number one cylinder. The lack of suitable terrain for the forced landing was a factor in the accident.
- [NTSB CHI94LA078](https://openairdocs.org/ntsb/CHI94LA078.md): Piper PA-28R-201T · Delavan, WI · Accident · No injuries · Limited investigation · Final report · Feb 5, 1994 · N38203 · Substantial damage
  > the pilot-in-command's not maintaining directional control and his inadequate compensation for wind conditions. Factors were icy runway and crosswind.
- [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 CHI94FA048](https://openairdocs.org/ntsb/CHI94FA048.md): Piper PA-32R-300 · Antigo, WI · Accident · 2 fatal · Field investigation · Final report · Dec 10, 1993 · N550BC · Substantial damage
  > the failure of the pilot in command to maintain proper altitude.
- [NTSB CHI94DEP01](https://openairdocs.org/ntsb/CHI94DEP01.md): Krotje Kolb Mark III · Oshkosh, WI · Accident · No injuries · Final report · Nov 28, 1993 · N393PK · Substantial damage
  > The lack of carburetor heat for the engine. A factor related to the accident was: the weather condition, which was favorable for formation of carburetor ice.
- [NTSB CHI94LA037](https://openairdocs.org/ntsb/CHI94LA037.md): Grumman American AA-1B · Arcadia, WI · Accident · Serious injuries · Limited investigation · Final report · Nov 14, 1993 · N9896L · Substantial damage
  > the loss of engine power for an undetermined reason(s).
- [NTSB CHI94LA025](https://openairdocs.org/ntsb/CHI94LA025.md): Cessna 150M · Franklin, WI · Accident · No injuries · Limited investigation · Final report · Oct 26, 1993 · N9259U · Substantial damage
  > Failure of the instructor pilot (CFI) to use carburetor heat during the simulated engine failure, which resulted in carburetor ice and loss of engine power. Factors related to the accident were: carburetor icing conditions and the crop in the emergency…
- [NTSB CHI94LA021](https://openairdocs.org/ntsb/CHI94LA021.md): Cessna 182 · Byron, WI · Accident · Minor injuries · Limited investigation · Final report · Oct 24, 1993 · N5390B · Destroyed
  > the pilot's inaccurate fuel consumption calculations which resulted in his not refueling during the flight. A factor related to the accident was the pilot's failure to maintain proper airspeed during the forced landing.
- [NTSB CHI94FA010](https://openairdocs.org/ntsb/CHI94FA010.md): Cessna R182 · Herbster, WI · Accident · 2 fatal · Field investigation · Final report · Oct 11, 1993 · N6422S · Destroyed
  > Failure of the pilot to maintain clearance from trees.
- [NTSB CHI94FA001](https://openairdocs.org/ntsb/CHI94FA001.md): Beech G35 · Webster, WI · Accident · 1 fatal · Field investigation · Final report · Oct 2, 1993 · N4421D · Destroyed
  > In-flight breakup of the airplane for an undetermined reason.
- [NTSB CHI93LA379](https://openairdocs.org/ntsb/CHI93LA379.md): Cessna 150M · Burlington, WI · Accident · No injuries · Limited investigation · Final report · Sep 26, 1993 · N704ZF · Substantial damage
  > the improper fuel calculations by the pilot-in-command. Factors were the pilot-in-command's not refueling and uphill terrain.

Next page: https://openairdocs.org/ntsb.md?state=WI&page=21

## 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=20&state=WI

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