# 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 6 of 61 · 3,022 cases

## Cases, newest first

- [NTSB CEN16FA171](https://openairdocs.org/ntsb/CEN16FA171.md): Mcdonnell Douglas Helicopter 369E · Reedsville, WI · Accident · 1 fatal · Field investigation · Final report · May 4, 2016 · N629JK · Substantial damage
  > The failure of the power turbine governor's dual-spool bearing due to a lack of lubrication, which resulted in a complete loss of engine power and subsequent impact with terrain.
- [NTSB CEN16LA123](https://openairdocs.org/ntsb/CEN16LA123.md): Brockman William A Challenger II · Neshkoro, WI · Accident · Serious injuries · Limited investigation · Final report · Mar 12, 2016 · N710WB · Substantial damage
  > A total loss of engine power for reasons that could not be determined, as postaccident examination revealed no anomalies that would have precluded normal operation. Contributing to the accident was the non-certificated pilot's decision to maneuver at low…
- [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 CEN16LA069](https://openairdocs.org/ntsb/CEN16LA069.md): Cirrus Design SR22 · Watertown, WI · Accident · Serious injuries · Limited investigation · Final report · Dec 27, 2015 · N5PF · Substantial damage
  > The pilot’s improper in-flight fuel management, which resulted in a total loss of engine power due to fuel starvation. Contributing to the accident was the pilot’s failure to switch fuel tanks after the engine lost power, and his delayed decision to activate…
- [NTSB CEN16LA043](https://openairdocs.org/ntsb/CEN16LA043.md): Hickham Lancair IV-P · Shawano, WI · Accident · Minor injuries · Limited investigation · Final report · Nov 15, 2015 · N10UU · Substantial damage
  > A total loss of engine power due to a dual magneto failure, as a result of an exceedance of the engine’s operating limitations while maneuvering.
- [NTSB GAA16CA067](https://openairdocs.org/ntsb/GAA16CA067.md): Taylorcraft BC12 65 · New Lisbon, WI · Accident · Minor injuries · Data collection · Final report · Nov 2, 2015 · N33939 · Substantial damage
  > The pilot's exceedance of the airplane's critical angle of attack, resulting in an inadvertent aerodynamic stall and impact with terrain.
- [NTSB CEN16LA021](https://openairdocs.org/ntsb/CEN16LA021.md): Piper PA 28-235 · Winneconne, WI · Accident · No injuries · Limited investigation · Final report · Oct 24, 2015 · N3979X · Substantial damage
  > An engine compartment fire during landing, which resulted in extensive fire damage, for reasons that could not be determined during examinations of the remaining wreckage.
- [NTSB GAA15CA287](https://openairdocs.org/ntsb/GAA15CA287.md): Piper PA 24 · West Bend, WI · Accident · No injuries · Data collection · Final report · Sep 26, 2015 · N8583P · Substantial damage
  > The pilot's failure to maintain his descent rate during the landing, which resulted in a hard landing and runway excursion.
- [NTSB GAA15CA279](https://openairdocs.org/ntsb/GAA15CA279.md): Brunzlick Larry R Seawind 3000 Experim · Pelican Lake, WI · Accident · No injuries · Data collection · Final report · Sep 22, 2015 · N896CB · Substantial damage
  > Abnormal runway contact which precipitated a loss of directional control and impact with water.
- [NTSB CEN15LA418](https://openairdocs.org/ntsb/CEN15LA418.md): Cessna 421B · Platteville, WI · Accident · Minor injuries · Limited investigation · Final report · Sep 21, 2015 · N813CA · Substantial damage
  > The partial loss of right engine power for undetermined reasons with insufficient runway remaining for the aborted takeoff.
- [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 CEN15LA399](https://openairdocs.org/ntsb/CEN15LA399.md): Weatherly 620B · Hancock, WI · Accident · 1 fatal · Limited investigation · Final report · Aug 26, 2015 · N2005C · Destroyed
  > The in-flight failure of the left wing lower forward attach point under normal loading conditions due to corrosion and fatigue cracking in the center section hinge brackets. Contributing to the accident was the operator's inadequate maintenance and overweight…
- [NTSB CEN15CA348](https://openairdocs.org/ntsb/CEN15CA348.md): Robinson R44 · Kansasville, WI · Accident · Minor injuries · Data collection · Final report · Aug 7, 2015 · N20KD · Destroyed
  > The pilot's inability to see and avoid power lines that were low to the ground and a green color that blended with the background crops.
- [NTSB CEN15LA345](https://openairdocs.org/ntsb/CEN15LA345.md): Air Tractor AT 401 · Nekoosa, WI · Accident · No injuries · Limited investigation · Final report · Aug 5, 2015 · N1539U · Substantial damage
  > The pilot’s inadequate preflight planning, which resulted in his attempt to take off for the agricultural application flight with the airplane over its maximum gross weight in high-density altitude conditions and led to the airplane’s degraded climb…
- [NTSB CEN15LA333](https://openairdocs.org/ntsb/CEN15LA333.md): Cessna 182 · Watertown, WI · Accident · Serious injuries · Limited investigation · Final report · Aug 1, 2015 · N1685R · Substantial damage
  > The total loss of engine power due to carburetor icing.
- [NTSB CEN15FA328](https://openairdocs.org/ntsb/CEN15FA328.md): Socata TBM 700 · Milwaukee, WI · Accident · 2 fatal · Field investigation · Final report · Jul 29, 2015 · N425KJ · Destroyed
  > The pilot's improper pitch control during the landing, which resulted in the propeller striking the runway, and his failure to maintain adequate airspeed during the subsequent go-around, which resulted in the airplane exceeding its critical angle of attack…
- [NTSB CEN15FA320](https://openairdocs.org/ntsb/CEN15FA320.md): Beech M35 · Amery, WI · Accident · 4 fatal · Field investigation · Final report · Jul 27, 2015 · N9CB · Destroyed
  > The pilot’s loss of airplane control while maneuvering with the airplane near its maximum gross weight, which resulted in the airplane exceeding its critical angle-of-attack and entering an aerodynamic stall.
- [NTSB CEN15FA315](https://openairdocs.org/ntsb/CEN15FA315.md): Sanford Zenith CH 601XL · Bristol, WI · Accident · 2 fatal · Field investigation · Final report · Jul 25, 2015 · N9601 · Substantial damage
  > The pilot’s failure to maintain airspeed and airplane control following a loss of engine power during cruise flight. Contributing to the accident was the installation of ignition system coils that were not engine-manufacturer replacement parts, which…
- [NTSB CEN15FA311](https://openairdocs.org/ntsb/CEN15FA311.md): Piper PA-46-310P · Oshkosh, WI · Accident · Serious injuries · Field investigation · Final report · Jul 22, 2015 · N4BP · Substantial damage
  > The pilot's failure to perform a go-around after receiving a modified landing clearance and his failure to maintain adequate airspeed while maneuvering to land, which resulted in the airplane exceeding its critical angle of attack in a steep bank and entering…
- [NTSB CEN15LA351](https://openairdocs.org/ntsb/CEN15LA351.md): Roberts Bruce W Vans Aircraft RV 9A · Land O' Lakes, WI · Accident · Minor injuries · Limited investigation · Final report · Jul 19, 2015 · N142DD · Substantial damage
  > The pilot’s failure to maintain a proper descent rate, which resulted in a hard landing.
- [NTSB GAA15CA180](https://openairdocs.org/ntsb/GAA15CA180.md): Pietenpol AIR Camper · Burlington, WI · Accident · No injuries · Data collection · Final report · Jul 9, 2015 · N29NX · Substantial damage
  > The student pilot's failure to maintain pitch control during the landing touchdown, resulting in a hard landing.
- [NTSB GAA15CA177](https://openairdocs.org/ntsb/GAA15CA177.md): Centrair 101A · Hartford, WI · Accident · Minor injuries · Data collection · Final report · Jul 3, 2015 · N39KG · Substantial damage
  > The glider pilot's failure to connect the elevator to the elevator control rod during the assembly process, resulting in a loss of control, and a collision with terrain during takeoff.
- [NTSB CEN15LA279](https://openairdocs.org/ntsb/CEN15LA279.md): Mooney M20K · Sheboygan, WI · Accident · No injuries · Limited investigation · Final report · Jun 21, 2015 · N1168Z · Substantial damage
  > Oil starvation due to preignition in the No. 5 cylinder as a result of failed spark plugs; the top and sides of the piston head were eroded, which allowed the exhaust gases caused by the preignition to pressurize the crankcase and force engine oil out of the…
- [NTSB GAA15CA159](https://openairdocs.org/ntsb/GAA15CA159.md): Vans RV-12 · Oshkosh, WI · Accident · No injuries · Data collection · Final report · Jun 20, 2015 · N242VA · Substantial damage
  > The pilot's failure to monitor the airplane's glide path during the final approach, which resulted in a low approach path and impact with terrain.
- [NTSB GAA15CA122](https://openairdocs.org/ntsb/GAA15CA122.md): Continental Copters Tomcat MK5A · Elk Mound, WI · Accident · No injuries · Data collection · Final report · Jun 14, 2015 · N9045T · Substantial damage
  > The pilot's failure to maintain a positive rate of climb after taking off from the service truck, which resulted in the helicopter impacting terrain.
- [NTSB CEN15FA249](https://openairdocs.org/ntsb/CEN15FA249.md): Monnett John T JR Sonex SA · Oshkosh, WI · Accident · 2 fatal · Field investigation · Final report · Jun 2, 2015 · N123SX · Substantial damage
  > The pilot's failure to maintain sufficient airspeed following a loss of engine power during initial takeoff climb, which resulted in the airplane's wing exceeding its critical angle-of-attack and a subsequent aerodynamic stall. The reason for the loss of…
- [NTSB CEN15LA242](https://openairdocs.org/ntsb/CEN15LA242.md): Bellanca 8KCAB · Superior, WI · Accident · No injuries · Limited investigation · Final report · May 27, 2015 · N102EC · Substantial damage
  > A stuck aileron due to a battery that had become jammed in the aileron bell crank.
- [NTSB CEN15LA217](https://openairdocs.org/ntsb/CEN15LA217.md): Cessna 150F · Neillsville, WI · Accident · Minor injuries · Limited investigation · Final report · May 2, 2015 · N8558G · Substantial damage
  > A partial loss of engine power for reasons that could not be determined because a postaccident examination of the airframe and engine did not reveal any anomalies that would have precluded normal operation.
- [NTSB CEN15LA195](https://openairdocs.org/ntsb/CEN15LA195.md): Quad City Challenger - II · Chippewa Falls, WI · Accident · 1 fatal · Limited investigation · Final report · Apr 11, 2015 · N30796 · Substantial damage
  > The pilot’s incapacitation due to a cardiovascular event, which resulted in a loss of control and subsequent impact with terrain.
- [NTSB GAA15CA033](https://openairdocs.org/ntsb/GAA15CA033.md): Lancair LC 40 550FG · Middleton, WI · Accident · No injuries · Data collection · Final report · Apr 1, 2015 · N777XX · Substantial damage
  > The pilot's failure to maintain directional control during landing. Contributing to the accident was the pilot's inadequate compensation for the crosswind during landing.
- [NTSB GAA15CA009](https://openairdocs.org/ntsb/GAA15CA009.md): Beech 76 · Juda, WI · Accident · No injuries · Data collection · Final report · Mar 16, 2015 · N6700D · Substantial damage
  > The pilot's improper fuel planning, which resulted in fuel exhaustion, and a loss of engine power enroute.
- [NTSB CEN15FA119](https://openairdocs.org/ntsb/CEN15FA119.md): Cessna 182L · Owen, WI · Accident · 1 fatal · Field investigation · Final report · Jan 26, 2015 · N3181R · Substantial damage
  > The flight instructor's decision to initiate flight into forecasted icing conditions in an airplane that was not certified or equipped for flight into icing conditions, which resulted in significant structural ice accumulation to the extent that the airplane…
- [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 CEN15CA072](https://openairdocs.org/ntsb/CEN15CA072.md): Cubcrafters CC11-160 · Middleton, WI · Accident · Minor injuries · Data collection · Final report · Dec 6, 2014 · N471LS · Substantial damage
  > The pilot's failure to maintain control of the airplane while braking during landing rollout.
- [NTSB CEN15FA027](https://openairdocs.org/ntsb/CEN15FA027.md): Cessna T210M · Bay City, WI · Accident · 1 fatal · Field investigation · Final report · Oct 24, 2014 · N761SU · Destroyed
  > The non-instrument rated pilot’s continued visual flight into instrument flight rules conditions, which resulted in an in-flight loss of control.
- [NTSB CEN15LA020](https://openairdocs.org/ntsb/CEN15LA020.md): Kovars Gary D Zenith Zodiak 601XL · Richland Center, WI · Accident · No injuries · Limited investigation · Final report · Oct 9, 2014 · N601GK · Substantial damage
  > The loss of engine power due to carburetor icing.
- [NTSB CEN14CA515](https://openairdocs.org/ntsb/CEN14CA515.md): Cessna 150J · Brookfield, WI · Accident · Minor injuries · Data collection · Final report · Sep 22, 2014 · N50889 · Substantial damage
  > The pilot's inadequate maintenance and preflight of the airplane which resulted in a total loss of engine power due to oil starvation.
- [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 CEN14CA426](https://openairdocs.org/ntsb/CEN14CA426.md): Robinson Helicopter R44 · Lancaster, WI · Accident · No injuries · Data collection · Final report · Aug 13, 2014 · N8343P · Substantial damage
  > The pilot's inadequate monitoring of the environment and failure to maintain clearance from transmission wires during an aerial application flight.
- [NTSB CEN14LA431](https://openairdocs.org/ntsb/CEN14LA431.md): Aeronca S11AC · Boulder Junction, WI · Accident · Serious injuries · Limited investigation · Final report · Aug 10, 2014 · N4240E · Substantial damage
  > The pilot’s improper runway selection, which resulted in a tailwind landing, and his subsequent failure to maintain directional control.
- [NTSB CEN14LA412](https://openairdocs.org/ntsb/CEN14LA412.md): Enstrom F 28F · Tomah, WI · Accident · Serious injuries · Limited investigation · Final report · Aug 7, 2014 · N213BL · Substantial damage
  > A loss of engine power due to the malfunction of the No. 4 cylinder intake valve.
- [NTSB CEN14LA401](https://openairdocs.org/ntsb/CEN14LA401.md): Mosquito XE · Oshkosh, WI · Accident · No injuries · Limited investigation · Final report · Aug 1, 2014 · CF-HEZ · Substantial damage
  > The failure of the retaining assembly on the tail rotor blade, which resulted in the separation of the blade and the subsequent loss of helicopter control.
- [NTSB CEN14FA399](https://openairdocs.org/ntsb/CEN14FA399.md): Zimmerman Breezy · Oshkosh, WI · Accident · 1 fatal · Field investigation · Final report · Jul 31, 2014 · N3AZ · Substantial damage
  > The pilot’s failure to maintain airplane control during landing while the air traffic controller was simultaneously coordinating the landing of three airplanes on the same runway, which resulted in the airplane exiting the runway and impacting a parked ground…
- [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 CEN14LA443](https://openairdocs.org/ntsb/CEN14LA443.md): Piper PA 28-181 · Waukesha, WI · Accident · Minor injuries · Limited investigation · Final report · Jul 13, 2014 · N9681K · Substantial damage
  > The loss of engine power for reasons that could not be determined because no anomalies were identified during postaccident examination.
- [NTSB CEN14CA362](https://openairdocs.org/ntsb/CEN14CA362.md): Aeronca 65CA · Pulaski, WI · Accident · No injuries · Data collection · Final report · Jul 12, 2014 · N36562 · Substantial damage
  > The student pilot's improper flight control inputs resulting in a loss of control during the landing. Contributing to the accident was the flight instructor's delayed remedial action.
- [NTSB CEN14LA336](https://openairdocs.org/ntsb/CEN14LA336.md): Northwing Design Apache Sport · Omro, WI · Accident · 1 fatal · Limited investigation · Final report · Jul 3, 2014 · N2725T · Substantial damage
  > The pilot’s failure to maintain adequate airspeed to compensate for a newly installed wing, which resulted in the aircraft stalling and the subsequent loss of control.
- [NTSB CEN14CA344](https://openairdocs.org/ntsb/CEN14CA344.md): Piper PA 25-235 · Rhinelander, WI · Accident · Minor injuries · Data collection · Final report · Jul 3, 2014 · N8730L · Substantial damage
  > A loss of engine power due to the pilot's improper inflight planning and reliance of fuel gauge readings, which resulted in fuel exhaustion.
- [NTSB CEN14LA537](https://openairdocs.org/ntsb/CEN14LA537.md): Hughes TH 55A · Hudson, WI · Accident · Minor injuries · Limited investigation · Final report · Jun 10, 2014 · N5335U · Substantial damage
  > The nonhelicopter-rated pilot’s operation of the helicopter and its subsequent collision with trees during takeoff for reasons that could not be determined based on the available evidence.

Next page: https://openairdocs.org/ntsb.md?state=WI&page=7

## 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=6&state=WI

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