NTSB investigations, WI

21 cases where NTSB found Maintenance.

Cases per year

20092026
NTSB investigations, WI per year, 2009–2026: 21 cases
20092
20101
20111
20122
20141
20153
20163
20171
20182
20191
20231
20243

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 f.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_findings.parquet' f WHERE starts_with(f.\"findingCode\", '020620'))
  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 CEN25LA053Accident · No injuriesClass 3 · LimitedFinal reportPiper PA-28R-200 · Boscobel, WIThe 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…Dec 2, 2024 · N41997 · Substantial damageNTSB CEN24LA337Accident · No injuriesClass 3 · LimitedFinal reportPiper PA-28-140 · East Troy, WIThe 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…Sep 2, 2024 · N32435 · Substantial damageNTSB CEN24LA286Accident · No injuriesClass 3 · LimitedFinal reportPiper PA46 · Radisson, WIThe 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.Jul 28, 2024 · N4646G · Substantial damageNTSB CEN24LA012Accident · No injuriesClass 3 · LimitedFinal reportTvap 4 · Franksville, WIThe improper installation of the supplemental ignition system, which resulted in a total loss of engine power.Oct 15, 2023 · N42VZ · Substantial damageNTSB CEN19LA224Accident · No injuriesClass 3 · LimitedFinal reportPiper PA18 · Osceola, WIThe failure of the right horizontal stabilizer during takeoff, resulting in a loss of control and forced landing. Contributing to the accident was the installation of an unapproved stabilizer frame and failure of maintenance personnel to identify…Jul 14, 2019 · N6983B · Substantial damageNTSB GAA19CA074Accident · No injuriesData collectionFinal reportCirrus SR22 · Sand Creek, WIThe mechanic's failure to properly secure the air reference line, which resulted in a loss of engine power.Nov 21, 2018 · N579CP · Substantial damageNTSB CEN18LA159Accident · No injuriesLimited investigationFinal reportBeech A36 · Shullsburg, WIA 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.May 5, 2018 · N36LP · Substantial damageNTSB CEN17LA224Accident · No injuriesLimited investigationFinal reportMckenna SD-1A · Juneau, WIThe pilot’s difficulty controlling the airplane due to his incorrect reinstallation of the wings, which led to a bounced precautionary landing. Contributing to the accident was the failure of the pilot and the mechanic to verify the wings’ angle of incidence.Jun 7, 2017 · N31313 · Substantial damageNTSB CEN16LA309Accident · No injuriesLimited investigationFinal reportCessna 172K · Neenah, WIA loss of engine power due to oil starvation, which resulted from the pilot, who was not a certified airframe and powerplant mechanic, removing the vacuum pump from the engine, and his misconception that he could operate the airplane without the pump.Aug 2, 2016 · N46459 · Substantial damageNTSB CEN16LA296Accident · Minor injuriesLimited investigationFinal reportRyan Navion B · Manitowoc, WIA leak in the gascolator due to degraded rubber gaskets, which allowed air to enter the fuel system and resulted in fuel starvation and a total loss of engine power during takeoff.Jul 30, 2016 · N5294K · Substantial damageNTSB CEN16LA273Accident · No injuriesLimited investigationFinal reportBrandt Sonex · Lodi, WIThe 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.Jul 19, 2016 · N393SX · Substantial damageNTSB CEN15LA399Accident · 1 fatalLimited investigationFinal reportWeatherly 620B · Hancock, WIThe 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…Aug 26, 2015 · N2005C · DestroyedNTSB CEN15FA315Accident · 2 fatalField investigationFinal reportSanford Zenith CH 601XL · Bristol, WIThe 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…Jul 25, 2015 · N9601 · Substantial damageNTSB GAA15CA177Accident · Minor injuriesData collectionFinal reportCentrair 101A · Hartford, WIThe 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.Jul 3, 2015 · N39KG · Substantial damageNTSB CEN14LA241Accident · Serious injuriesLimited investigationFinal reportKinsler Arthur Paul Kinsler Lancair/Mkii · Crivitz, WIThe improper installation of the hose fuel fitting, which resulted in the fitting becoming disconnected and the subsequent loss of engine power due to fuel starvation.May 6, 2014 · N246AK · Substantial damageNTSB CEN12LA539Accident · Minor injuriesLimited investigationFinal reportGn-1 Aircamper Mathes · Burlington, WIThe pilot's improper installation of the propeller bolts, which resulted in the in-flight separation of the propeller.Aug 11, 2012 · N31TM · Substantial damageNTSB CEN12LA530Accident · Serious injuriesLimited investigationFinal reportWilliams John T-51 Mustang · Oshkosh, WIThe separation of an engine cooling hose from the radiator.Aug 7, 2012 · N151TA · Substantial damageNTSB CEN11LA448Accident · Serious injuriesLimited investigationFinal reportCessna 140 · Burlington, WIThe improper installation of the fuel selector indicator handle, which resulted in a total loss of engine power due to fuel starvation.Jun 29, 2011 · N2332V · Substantial damageNTSB CEN10LA123Accident · Minor injuriesLimited investigationFinal reportCessna 172N · Genoa City, WIA 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.Feb 14, 2010 · N24CV · Substantial damageNTSB CEN09LA602Accident · Minor injuriesLimited investigationFinal reportAir Tractor AT-301A · New Miner, WIA 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.Aug 22, 2009 · N3651R · Substantial damageNTSB CEN09LA447Accident · No injuriesLimited investigationFinal reportCessna A188B · Suring, WIA loss of engine power resulting from the fatigue failure of the crankshaft due to the loss of engine case through-bolt torque. Contributing to the engine failure was the operator's failure to overhaul the engine in accordance with the manufacturer's…Jul 16, 2009 · N9747G · Substantial damage