NTSB investigations, WI

49 cases where the first occurrence was “Loss of engine power(total) - mech failure/malf”.

Cases per year

19822026
NTSB investigations, WI per year, 1982–2026: 49 cases
19824
19833
19843
19851
19864
19873
19881
19893
19912
19922
19933
19942
19955
19963
20033
20045
20051
20071

Latest cases

Query with SQL
duckdb -csv -c "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 o.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_occurrences.parquet' o WHERE o.\"occurrenceNumber\" = 1 AND o.\"occurrenceCode\" = 351)
  ORDER BY c.\"eventDate\" DESC, c.\"ntsbNumber\" DESC"

Prints the whole list as CSV. It reads the release’s Parquet files over HTTPS, so there’s nothing to download first. Install DuckDB to run it.

NTSB CHI07LA219Accident · No injuriesLimited investigationFinal reportNorth American T-6G · Fond Du Lac, WIThe loss of engine power due to the failure of the engine's master connecting rod which resulted in the forced landing. The road sign was a factor.Jul 23, 2007 · N22NA · Substantial damageNTSB ENG06IA001Incident · No injuriesIncident investigationFinal reportCessna Citation 650 · Madison, WIThe inadequate design of the engine's interstage transition duct that yielded after the LPT stage 3 blades had separated and allowed the uncontained release of turbine debris. A contributing factor was the separation of a turbine blade.Oct 9, 2005 · N175DP · Minor damageNTSB CHI05FA048Accident · 2 fatalField investigationFinal reportBeech S35 · Herman, WIThe installation of the improper cylinder base packing seals by maintenance personnel resulting in the loss of lubriation and subsequent failure of the number four connecting rod/bearing. A factor associated with the accident was the trees that the airplane…Dec 25, 2004 · N5631K · Substantial damageNTSB CHI05CA032Accident · Serious injuriesData collectionFinal reportOlson Sonex · Oconomowoc, WIThe loss of engine power due to a fatigue fracture of the crankshaft. An additional cause to the accident was the pilot/builder's failure to verify the dimensions of the shrink-fit crankshaft components prior reassembling the engine. A factor to the accident…Nov 21, 2004 · N478SX · Substantial damageNTSB CHI04FA203Accident · 1 fatalField investigationFinal reportKnoepflein Lancair Legacy 2000 · Madison, WIA loss of engine power due to high engine temperatures which resulted in a failure of the number three piston, the pilot's continued operation of the airplane with known high temperature problems, the pilot's poor inflight planning, and the pilot's failure to…Aug 1, 2004 · N98SN · DestroyedNTSB CHI04LA147Accident · No injuriesLimited investigationFinal reportNorth American T-28C · Manitowoc, WIFailure of the number 4 piston articulating rod resulting in a complete loss of engine power during initial climb. The ditch was a contributing factor.Jun 4, 2004 · N404DK · Substantial damageNTSB CHI04LA128Accident · 1 fatalLimited investigationFinal reportNorth American P-51C · Hager City, WIThe improper installation of the camshaft drive gear assembly which resulted in the retaining nut backing off allowing the drive gear to move up the shaft. A factor associated with the accident was the low altitude at which the power loss occurred and the…May 29, 2004 · N61429 · Substantial damageNTSB CHI04LA027Accident · Minor injuriesLimited investigationFinal reportBell 206B · Coleman, WIThe loss of engine power for undetermined reasons and the unsuitable terrain encountered for the forced landing. The garage building was a factor.Nov 3, 2003 · N3198C · DestroyedNTSB CHI03LA274Accident · No injuriesLimited investigationFinal reportBoeing A-75 · La Crosse, WIThe total loss of engine power due to a fatigue fracture of the engine's crankshaft. A factor was the corn crop.Aug 20, 2003 · N806RB · Substantial damageNTSB CHI03LA201Accident · 2 fatalLimited investigationFinal reportMcIlraith Sea Rey · Tomah, WIThe loss of engine power for an undetermined reason, and the pilot's failure to maintain airspeed resulting in a stall/spin during the forced landing.Jul 5, 2003 · N216ST · DestroyedNTSB CHI96LA286Accident · Serious injuriesLimited investigationFinal reportSchuler T Bird II · Fond Du Lac, WIloss 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.Aug 12, 1996 · N31774 · Substantial damageNTSB CHI96LA262Accident · Minor injuriesLimited investigationFinal reportPiper PA-J3C · Camp Lake, WIseizure of the number 2 piston. Inadequate maintenance was a related factor.Jul 31, 1996 · N3445K · Substantial damageNTSB CHI96FA113Accident · 1 fatalField investigationFinal reportPiper PA-32 · Milwaukee, WIInadequate maintenance and inspection in that the Airworthiness Directive which applied to the fuel pump had not been complied with. A factor was the pilot was unable to reach land.Jan 17, 1996 · N3326Q · DestroyedNTSB CHI96LA007Accident · Minor injuriesLimited investigationFinal reportRoisum Team MINI-MAX · Neenah, WIFuel starvation due to fuel filter blockage. Factors associated with the accident were the manufacturers design of the fuel filter and the builder/pilots decision to use an automotive type fuel filter.Oct 11, 1995 · N42BX · Substantial damageNTSB CHI95LA295Accident · No injuriesLimited investigationFinal reportKraetzner SKY-BUGGY · Princeton, WIthe loss of engine power due to the blocked float valve seat in the carburetor and the pilot's failure to have the proper maintenance inspection performed on the airplane.Aug 20, 1995 · N16626 · DestroyedNTSB CHI95LA290Accident · Minor injuriesLimited investigationFinal reportCessna 172P · Port Washington, WIthe failure of the #2 cylinder due to fatigue cracking. A factor was the soft terrain.Aug 20, 1995 · N55404 · Substantial damageNTSB CHI95FA242Accident · No injuriesField investigationFinal reportRevolution Helicopter MINI-500 · Oshkosh, WIthe inadequate design of the helicopter skid shoes. Factors related to the accident were: false indications of rotor rpm and EGT which led to seizure of the piston.Jul 27, 1995 · N500ZZ · Substantial damageNTSB CHI95LA187Accident · No injuriesLimited investigationFinal reportBell 47J2A · Elkhorn, WIloss of power as a result of an intake valve failure due to improper maintenance performed during the major engine overhaul, and pilot misjudgment of the flare during autorotation.Jun 19, 1995 · N470RA · Substantial damageNTSB CHI95LA032Accident · Minor injuriesLimited investigationFinal reportCessna 172 · Hudson, WIinadequate maintenance (major overhaul) by maintenance personnel which resulted in the total loss of engine power. Soft terrain was a related factor.Nov 6, 1994 · N734LJ · Substantial damageNTSB CHI94LA091Accident · No injuriesLimited investigationFinal reportCessna 150M · La Crosse, WIThe 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.Feb 18, 1994 · N704CE · Substantial damageNTSB CHI93LA371Accident · No injuriesLimited investigationFinal reportPiper PA-60-601 · Lone Rock, WIInadequate maintenance and excessive airspeed during the landing approach.Sep 21, 1993 · N9825Q · Substantial damageNTSB CHI93DEP05Accident · Minor injuriesFinal reportBell 47-G5 · Fulton, WIthe failure (fracture) of the number one cylinder intake valve retainer (keeper).Aug 25, 1993 · N1464W · Substantial damageNTSB CHI93FA158Accident · 1 fatalField investigationFinal reportBeech E-18S · Lone Rock, WIwas a pre-mature extension of the landing gear by the pilot which resulted in the inability of the pilot to maintain the minimum descent altitude. Factors related to the accident were the loose cylinder and loss of oil.May 4, 1993 · N80CB · DestroyedNTSB CHI92FA215Accident · 2 fatalField investigationFinal reportCessna P210N · Mineral Point, WIThe pilot's inadvertent stall and descent into terrain during a forced landing. Related factors are the manufacturer's undertorqued crankcase halves and inadequate surveillance, the pilot's delay in setting up the proper descent rate, and the altered aircraft…Jul 29, 1992 · N6503W · Substantial damageNTSB CHI92FA188Accident · Minor injuriesField investigationFinal reportBeech 24R · Oak Creek, WIA result of inadequate aircraft maintenance inspection on behalf of the company maintenance personnel.Jun 25, 1992 · N2195W · DestroyedNTSB CHI92LA015Accident · No injuriesLimited investigationFinal reportNorth American Navion D · Lake Geneva, WIFatigue failure of the crankshaft. A factor in the accident was inadequate quality control by other maintenance personnel.Oct 20, 1991 · N10JF · Substantial damageNTSB CHI92LA003Accident · No injuriesLimited investigationFinal reportCessna 150M · Marion, WIThe failure of the exhaust and intake valves. Factors contributing to the accident were downhill terrain and a collapsed nosegear.Oct 8, 1991 · N704CW · Substantial damageNTSB CHI90DEP01Accident · Serious injuriesFinal reportWychen Challenger II · Warrens, WIA broken cranskshaft which resulted in the loss of power. A factor related to the accident was: the lack of suitable terrain for a forced landing.Oct 22, 1989 · N91269 · Substantial damageNTSB CHI89LA141Accident · No injuriesLimited investigationFinal reportCessna R172K · Wisconsin Dells, WIFailure of the pilot to insure the oil filler cap was properly secured when he serviced the aircraft before takeoff, and subsequent loss of oil and oil exhaustion. The tree was considered to be a contributing factor.Jul 22, 1989 · N736DA · Substantial damageNTSB CHI89LA087Accident · No injuriesLimited investigationFinal reportPiper PA-24-250 · Waunakee, WISlippage of a bearing, which resulted in blockage of the lubrication system, and subsequent failure of a connecting rod.May 14, 1989 · N7465P · Substantial damageNTSB CHI88DER09Accident · Serious injuriesFinal reportSmith Miniplane · Superior, WIWhile in normal cruise the aircraft experienced a total loss of engine power. The pilot executed an emergency descent to a forced landing. The aircraft encountered unsuitable terrain which resulted in a hard landing and substantial damage to the aircraft. The…Aug 21, 1988 · N39F · Substantial damageNTSB MKC87FA161Accident · 2 fatalField investigationFinal reportPiper PA-22-150 · Solon Springs, WIThe surviving pax rprtd that drg initial climb after takeoff, the eng suddenly stopped & did not respond to atmts of a restart. The plt turned back toward the arpt, but was unable to reach the rwy. The acft impacted large trees in a wooded area, then crashed…Aug 15, 1987 · N5831D · DestroyedNTSB CHI87LA137Accident · No injuriesLimited investigationFinal reportAircoupe A-2-DEX · Iola, WIThe aircraft experienced a loss of engine power shortly after takeoff and was forced to make an emergency landing next to the runway. On landing roll the nose wheel of the aircraft stuck in the ground, flipping the aircraft over onto its back. According to a…May 31, 1987 · N6509Q · DestroyedNTSB CHI87DEP03Accident · No injuriesFinal reportErickson Sonerai 2L · Algoma, WIWhile in normal cruise flight the crankshaft failed at the propeller flange and the propeller departed the aircraft. The pilot executed a forced landing to a farm field. He was unable to flare successfully and lost control during landing.Apr 7, 1987 · N131DE · DestroyedNTSB CHI87DEP04Accident · No injuriesFinal reportMooney M20F · Greenwood, WIThe aircraft lost engine power during a descent due to a loose throttle linkage and the pilot was forced to make an emergency landing in a field. On landing roll the aircraft struck a reflector post with the right wing.Dec 30, 1986 · N9627M · Substantial damageNTSB CHI86LA236Accident · No injuriesLimited investigationFinal reportHughes 269B · Baldwin, WIAfter picking up his passenger at williams pipeline, minneapolis, Minnesota, the plt flew eastward along interstate 90 enroute to a pipeline near wausau, Wisconsin. While flying at approximatelly 400 feet, the plt and passenger stated that the engine started…Sep 26, 1986 · N9427F · Substantial damageNTSB CHI86FEP07Accident · No injuriesFinal reportWheeler Gold Wing · Sturdevant, WIThis aircraft force landed shortly after takeoff and was substantially damaged when the wing struck the shoulder of a ditch during the landing. An examination of the engine after the accident revealed that the fuel pump was improperly installed (not in…Jul 30, 1986 · N54314 · Substantial damageNTSB CHI86LA084Accident · No injuriesLimited investigationFinal reportCessna 207 · Milwaukee, WIAfter preheating the eng the plt took off and during climb the cabin filled with smoke and the eng stopped. A forced landing was made on a city street during which the left wing contacted a sign pole. Post accident teardown of the eng disclosed that an oil…Feb 10, 1986 · N18SA · Substantial damageNTSB CHI85LA235Accident · No injuriesLimited investigationFinal reportBeech V35B · Boscobel, WIThe engine failed on final approach. The aircraft did not clear a wooded area resulting in an uncontrolled descent. The camshaft had failed at the number 1 journal oil groove.Jun 17, 1985 · N18382 · Substantial damageNTSB CHI84IA373Incident · No injuriesIncident investigationFinal reportBoeing 737-291 · Madison, WIShortly after lift-off & while climbing thru about 150 ft AGL, there was a loud noise from the left eng when it failed. The aircrew secured the left eng, returned to the arpt & made a single eng landing without further incident. An investigation revealed that…Aug 29, 1984 · N7351F · No damageNTSB CHI84LA349Accident · No injuriesLimited investigationFinal reportBellanca 17-31ATC · Antigo, WIThe acft was forced to land after the engine failed. The plt heard an explosion and saw part of the cowling come off before the engine quit. His passenger said that oil covered the windshield. Post accident inspection showed a failed cylinder. The cylinder…Aug 16, 1984 · N4001B · DestroyedNTSB CHI84LU006Accident · Serious injuriesFinal reportPterodactyl Fledgling · Hartford, WIThe ultralight was in the takeoff climb at about 75 ft AGL when the engine failed. During the emergency forced landing, the acft landed hard on upsloping terrain & the nose gear failed in overload. Investigation revealed that an ignition wire was worn and had…Jul 7, 1984 · UNREG · Minor damageNTSB CHI83LA349Accident · No injuriesLimited investigationFinal reportBeech A24R · Verona, WIThe acft lost power during cruise and was damaged in an off arpt forced landing. During the landing roll in a field, acft contacted a fence and collapsed the nose gear. Examination of the bendix fuel injector SN30479, model RSA-5AD1 revealed that the fuel…Aug 2, 1983 · N8016R · Substantial damageNTSB CHI83LA150Accident · No injuriesLimited investigationFinal reportConsolidated-Vultee 28-5ACF · Neilsville, WIThe aircraft was crash landed in an open field after it had a power loss on #1 engine during cruise flight. The aircraft was on a geodetic survey flight which called for flight at 500 feet AGL. The pilot elected to land because the aircraft could not maintain…Mar 22, 1983 · N4760C · Substantial damageNTSB CHI83FA086Accident · Minor injuriesField investigationFinal reportPiper PA-32-300 · Monroe, WIWhile cruising at 4,000 ft MSL the eng quit. During a forced landing on rolling farm terrain both main landing gear separated. The acft then slid through a barbed wire fence & caught fire. Metallurgical examination revealed a fatigue failure of the idle set…Jan 19, 1983 · N5818F · DestroyedNTSB CHI82DA287Accident · No injuriesFinal reportBeech A23A · Grantsburg, WIThe pilot could not start the aircraft with the mixture in the normal (rich) position. The mixture was set to lean and the engine started. During takeoff, the engine lost power and the pilot landed off the end of the runway. This was the first flight since an…Jul 31, 1982 · N3683Q · Substantial damageNTSB CHI82DA278Accident · No injuriesFinal reportPiper PA-23 · Ladysmith, WIA ferry permit was issued to fly the aircraft to the rusk county airport for an annual inspection. The previous annual inspection had been on 8/20/80. During the arrival at the destination, the approach was high, so the pilot elected to go around. At about…Jul 28, 1982 · N3092P · Substantial damageNTSB CHI82DA230Accident · No injuriesFinal reportPiper PA-28-161 · Ladysmith, WIThe student pilot collided with a fence and rough terrain during a forced landing on a cross-country flight. The student heard a loud knocking from the engine after about 35 minutes of flight. He reduced power which helped but the engine was still noisy. The…Jul 1, 1982 · N40037 · Substantial damageNTSB CHI82FA157Accident · Minor injuriesField investigationFinal reportPiper PA-32-300 · Milwaukee, WIEngine failure forced pilot to land in an open plowed field. Aircraft collided with wires but a successful landing was made. Oil pump gear tooth had failed.May 9, 1982 · N6837J · Substantial damage