# NTSB investigations, WI: Aircraft power plant

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 2 · 58 cases

## Latest cases

- [NTSB CEN25LA053](https://openairdocs.org/ntsb/CEN25LA053.md): Piper PA-28R-200 · Boscobel, WI · Accident · No injuries · Class 3 · Limited · Final report · Dec 2, 2024 · N41997 · Substantial damage
  > The ice obstruction of the engine oil breather tube and alternate air outlet, which resulted in a failure of the crankcase oil seal and loss of engine oil. Contributing to the accident was the incorrect engine oil breather tube installed in the airplane by…
- [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 CEN24LA286](https://openairdocs.org/ntsb/CEN24LA286.md): Piper PA46 · Radisson, WI · Accident · No injuries · Class 3 · Limited · Final report · Jul 28, 2024 · N4646G · Substantial damage
  > The non-certificated mechanic’s failure to properly tighten and torque the fuel system pressure test port cap, which resulted in a total loss of engine power, and a subsequent forced landing.
- [NTSB CEN24LA245](https://openairdocs.org/ntsb/CEN24LA245.md): Raytheon A36 · Land O' Lakes, WI · Accident · Minor injuries · Class 3 · Limited · Final report · Jun 30, 2024 · N47RT · Substantial damage
  > A partial loss of engine power for undetermined reasons.
- [NTSB CEN24LA052](https://openairdocs.org/ntsb/CEN24LA052.md): Cessna 182 · Manitowoc, WI · Accident · Minor injuries · Class 3 · Limited · Final report · Nov 30, 2023 · N8880T · Substantial damage
  > Maintenance personnel’s improper servicing of the magnetos, which resulted in their accelerated wear, failure, and the total loss of engine power.
- [NTSB CEN24LA012](https://openairdocs.org/ntsb/CEN24LA012.md): Tvap 4 · Franksville, WI · Accident · No injuries · Class 3 · Limited · Final report · Oct 15, 2023 · N42VZ · Substantial damage
  > The improper installation of the supplemental ignition system, which resulted in a total loss of engine power.
- [NTSB CEN23LA250](https://openairdocs.org/ntsb/CEN23LA250.md): Champion 7EC · Waunakee, WI · Accident · Minor injuries · Class 3 · Limited · Final report · Jun 21, 2023 · N80461 · Substantial damage
  > A total loss of engine power during the initial takeoff climb due to a worn manual fuel primer pump locking mechanism, which resulted in an unlocked primer and an overly rich fuel mixture.
- [NTSB CEN22LA353](https://openairdocs.org/ntsb/CEN22LA353.md): Sonex Sonex · River Falls, WI · Accident · Serious injuries · Class 3 · Limited · Final report · Jul 29, 2022 · N1557S · Substantial damage
  > The pilot’s improper fuel planning, which resulted in a total loss of engine power due to fuel exhaustion.
- [NTSB CEN22LA334](https://openairdocs.org/ntsb/CEN22LA334.md): Van's RV-10 · Beaver Dam, WI · Accident · Minor injuries · Class 3 · Limited · Final report · Jul 22, 2022 · N4400K · Substantial damage
  > The improperly secured spark plug boot that resulted in smoke in the cockpit and a subsequent off-airport landing.
- [NTSB CEN22LA141](https://openairdocs.org/ntsb/CEN22LA141.md): Cessna 150M · Brodhead, WI · Accident · Minor injuries · Class 3 · Limited · Final report · Mar 13, 2022 · N63246 · Substantial damage
  > A loss of engine power due to the fatigue fracture of the No. 1 cylinder’s rocker shaft bosses, which resulted in a forced landing into uneven terrain.
- [NTSB CEN21LA367](https://openairdocs.org/ntsb/CEN21LA367.md): Pulsar Sport 150 · Osceola, WI · Accident · Minor injuries · Class 3 · Limited · Final report · Aug 9, 2021 · N997EM · Substantial damage
  > The total loss of engine power for undermined reasons based on available information
- [NTSB CEN21LA343](https://openairdocs.org/ntsb/CEN21LA343.md): Stinson JR. SR · Ripon, WI · Accident · Minor injuries · Class 3 · Limited · Final report · Jul 29, 2021 · N81Y · Substantial damage
  > A total loss of engine power due to fuel starvation.
- [NTSB CEN21LA222](https://openairdocs.org/ntsb/CEN21LA222.md): Flight Design Ctls · Racine, WI · Accident · Minor injuries · Class 3 · Limited · Final report · May 18, 2021 · N521CT · Destroyed
  > The fatigue failure of the carburetor throttle control cable, which resulted in a partial loss of engine control.
- [NTSB CEN21LA213](https://openairdocs.org/ntsb/CEN21LA213.md): Beech C23 · Merrill, WI · Accident · Minor injuries · Class 3 · Limited · Final report · May 11, 2021 · N793Y · Substantial damage
  > The loss of engine power due to tappet failure.
- [NTSB CEN20LA006](https://openairdocs.org/ntsb/CEN20LA006.md): Beech 36 · Waukesha, WI · Accident · No injuries · Class 3 · Limited · Final report · Oct 8, 2019 · N396JG · Substantial damage
  > A total loss of engine power for undetermined reasons.
- [NTSB CEN19LA290](https://openairdocs.org/ntsb/CEN19LA290.md): Beech V35 · Monroe, WI · Accident · Serious injuries · Class 3 · Limited · Final report · Aug 27, 2019 · N6245V · Substantial damage
  > A total loss of engine power due to the failure of the Nos. 5 and 6 connecting rods from a lack of oil lubrication for reasons that could not be determined.
- [NTSB CEN19FA276](https://openairdocs.org/ntsb/CEN19FA276.md): Shirley Carl Sportcopter Vortex · Viroqua, WI · Accident · 1 fatal · Class 2 · Field · Final report · Aug 19, 2019 · N634SC · Destroyed
  > The noncertificated pilot's loss of control of the gyrocopter after a total loss of engine power due to seizure of the crankshaft bearings. Contributing to the accident were the insufficient maintenance of the engine and the pilot's lack of gyrocopter flight…
- [NTSB CEN19LA071](https://openairdocs.org/ntsb/CEN19LA071.md): Piper PA24 · Beechwood, WI · Accident · Minor injuries · Class 3 · Limited · Final report · Jan 18, 2019 · N6497P · Substantial damage
  > A partial loss of engine power for reasons that could not be determined based on the available information.
- [NTSB GAA19CA074](https://openairdocs.org/ntsb/GAA19CA074.md): Cirrus SR22 · Sand Creek, WI · Accident · No injuries · Data collection · Final report · Nov 21, 2018 · N579CP · Substantial damage
  > The mechanic's failure to properly secure the air reference line, which resulted in a loss of engine power.
- [NTSB WPR18FA200](https://openairdocs.org/ntsb/WPR18FA200.md): De Havilland DH112 Venom · Sheboygan, WI · Accident · 1 fatal · Field investigation · Final report · Jul 20, 2018 · N747J · Destroyed
  > The airplane's encounter with wake turbulence from the lead airplane in the formation flight, which resulted in a compressor stall and the airplane's subsequent inability to climb.
- [NTSB CEN18LA200](https://openairdocs.org/ntsb/CEN18LA200.md): Irlbeck Thomas H RV 8 · Somerset, WI · Accident · No injuries · Class 3 · Limited · Final report · May 29, 2018 · N214FF · Substantial damage
  > A total loss of engine power due to damaged and disconnected electronic ignition wires from both the main and backup batteries, which resulted in a forced landing.
- [NTSB CEN18LA159](https://openairdocs.org/ntsb/CEN18LA159.md): Beech A36 · Shullsburg, WI · Accident · No injuries · Limited investigation · Final report · May 5, 2018 · N36LP · Substantial damage
  > A catastrophic engine failure due to improper torque on the engine through-bolt nuts, which resulted in relative movement between the crankcase halves, damage to a main journal bearing, and a loss of oil lubrication.
- [NTSB CEN18LA158](https://openairdocs.org/ntsb/CEN18LA158.md): Robinson Helicopter R44 · East Troy, WI · Accident · No injuries · Class 3 · Limited · Final report · May 4, 2018 · N444VH · Substantial damage
  > A partial loss of engine power for reasons that could not be determined based on the available information, which resulted in impact with terrain and dynamic rollover during the subsequent attempted landing.
- [NTSB CEN18LA038](https://openairdocs.org/ntsb/CEN18LA038.md): Piper / Laudeman J3C 65 · Palmyra, WI · Accident · Serious injuries · Limited investigation · Final report · Nov 26, 2017 · N11188 · Substantial damage
  > The pilot’s inadvertent pulling of the fuel shutoff valve, which resulted in a total loss of engine power and a subsequent forced landing into trees. Contributing to the pilot’s inadvertent pulling of the fuel shutoff valve were habit patterns he had…
- [NTSB GAA17LA090](https://openairdocs.org/ntsb/GAA17LA090.md): Piper PA28R · Watertown, WI · Accident · No injuries · Limited investigation · Final report · Nov 5, 2016 · N300KR · Substantial damage
  > The pilot’s failure to attain a proper glidepath on approach for landing, which resulted in impact with trees. Contributing to the accident was a partial, temporary loss of engine power for reasons that could not be determined because postaccident examination…
- [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 CEN16LA294](https://openairdocs.org/ntsb/CEN16LA294.md): Bell 47G 2 · Oshkosh, WI · Accident · No injuries · Limited investigation · Final report · Jul 30, 2016 · N975BH · Substantial damage
  > The loosening and separation of the throttle linkage nut, which resulted in a loss of throttle control and subsequent hard landing after autorotation.
- [NTSB CEN16FA290](https://openairdocs.org/ntsb/CEN16FA290.md): Flight Design Ctls · Fond du Lac, WI · Accident · 1 fatal · Field investigation · Final report · Jul 28, 2016 · N527TS · Substantial damage
  > Carburetor contamination following exposure to water in the fuel, which resulted in a carburetor malfunction and a partial loss of engine power. Contributing to the accident was the pilot's loss of airplane control that resulted in a stall.
- [NTSB CEN16LA273](https://openairdocs.org/ntsb/CEN16LA273.md): Brandt Sonex · Lodi, WI · Accident · No injuries · Limited investigation · Final report · Jul 19, 2016 · N393SX · Substantial damage
  > The separated rocker arm assembly for undetermined reasons, which resulted in the partial loss of engine power and led to the landing gear collapsing during the subsequent forced landing.
- [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 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 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 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 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 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 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 CEN13LA460](https://openairdocs.org/ntsb/CEN13LA460.md): Snyder Todd W Titan Tornado 1 · Wild Rose, WI · Accident · Serious injuries · Limited investigation · Final report · Aug 3, 2013 · N70786 · Substantial damage
  > The improperly secured spark plug, which resulted in a total loss of engine power.
- [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 CEN12LA074](https://openairdocs.org/ntsb/CEN12LA074.md): Beech S35 · Elkhart Lake, WI · Accident · No injuries · Limited investigation · Final report · Nov 15, 2011 · N5858S · Substantial damage
  > The pilot's improper fuel management, which resulted in a total loss of engine power due to fuel starvation.
- [NTSB CEN12FA025](https://openairdocs.org/ntsb/CEN12FA025.md): Piper PA-28R-200 · Watertown, WI · Accident · No injuries · Field investigation · Final report · Oct 17, 2011 · N300KR · Substantial damage
  > The separation of the number 2 connecting rod from the crankshaft for reasons that could not be determined during postaccident metallurgical examination, which ultimately resulted in a total loss of engine power.
- [NTSB CEN11FA433](https://openairdocs.org/ntsb/CEN11FA433.md): Klemp Gregory J Challenger II · Neshkoro, WI · Accident · 1 fatal · Field investigation · Final report · Jun 30, 2011 · N12911 · Substantial damage
  > The total loss of engine power during the initial climb due to a cold seizure as a result of a broken fan V-belt. Contributing to the accident was the passenger's interference with the flight controls during the forced landing.
- [NTSB CEN11LA430](https://openairdocs.org/ntsb/CEN11LA430.md): Piper PA-28-180 · Barron, WI · Accident · No injuries · Limited investigation · Final report · Jun 29, 2011 · N9002J · Substantial damage
  > The loss of engine power, which resulted from fuel exhaustion due to the pilot's inadequate in-flight planning.
- [NTSB CEN11LA429](https://openairdocs.org/ntsb/CEN11LA429.md): Keesler W8 Tailwind · Oshkosh, WI · Accident · Minor injuries · Limited investigation · Final report · Jun 29, 2011 · N56PK · Substantial damage
  > The loss of engine power during initial climb for undetermined reasons.
- [NTSB CEN11LA177](https://openairdocs.org/ntsb/CEN11LA177.md): Piper PA-16 · Lake Koshkonong, WI · Accident · Minor injuries · Limited investigation · Final report · Feb 5, 2011 · N5945H · Substantial damage
  > A loss of engine power for undetermined reasons during a low-altitude pass over a frozen lake.
- [NTSB CEN10LA433](https://openairdocs.org/ntsb/CEN10LA433.md): Beech H35 · Green Lake, WI · Accident · No injuries · Limited investigation · Final report · Jul 25, 2010 · N5443D · Substantial damage
  > A total loss of engine power during descent due to the overhaul facility’s inadequate maintenance.
- [NTSB CEN10LA253](https://openairdocs.org/ntsb/CEN10LA253.md): Dearmond Clint RV-6A · Sheboygan, WI · Accident · No injuries · Limited investigation · Final report · May 16, 2010 · N1257E · Substantial damage
  > The loss of engine power due to a fuse failure in the ignition system.
- [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 CEN10IA059](https://openairdocs.org/ntsb/CEN10IA059.md): Piper PA-46-310P · Elk Mound, WI · Incident · No injuries · Incident investigation · Final report · Nov 13, 2009 · N667PC · Minor damage
  > The loss of engine power due to component failure from excessive heating of the engine connecting rod journals.
- [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 CEN09LA602](https://openairdocs.org/ntsb/CEN09LA602.md): Air Tractor AT-301A · New Miner, WI · Accident · Minor injuries · Limited investigation · Final report · Aug 22, 2009 · N3651R · Substantial damage
  > A total loss of engine power due to the fatigue failure of the engine torsion shaft. Contributing to the accident was the chrome plating of the shaft by an undetermined maintenance/overhaul facility.

Next page: https://openairdocs.org/ntsb-findings/0105/cases.md?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 f.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_findings.parquet' f WHERE starts_with(f."findingCode", '0105'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb-findings/0105/cases?state=WI

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