NTSB investigations, WI

580 cases where the phase of flight was Enroute.

Cases per year

19642026
NTSB investigations, WI per year, 1964–2026: 580 cases
196411
196512
196614
196715
196812
196925
19709
197112
197214
197312
197415
197518
19767
197719
197821
197918
19809
198111
19825
198313
198413
198512
198611
198710
198812
198913
199014
19919
199211
199316
19948
199515
19967
19977
199812
19995
20007
20015
20028
20035
200411
20056
20074
20087
20096
20106
20116
20124
20136
20143
20155
20162
20174
20185
201910
20201
20216
20222
20235
20243
20251
20265

Latest cases

Query with SQL
duckdb -csv -c "WITH phase_names(main, name) AS (VALUES (100, 'Prior to flight'), (150, 'Standing'), (200, 'Pushback/towing'), (250, 'Taxi'), (300, 'Takeoff'), (350, 'Initial climb'), (400, 'Enroute'), (450, 'Maneuvering'), (500, 'Approach'), (550, 'Landing'), (600, 'Emergency descent'), (650, 'Uncontrolled descent'), (700, 'Post-impact'), (750, 'After landing'), (800, 'Other'), (990, 'Unknown')),
    crosswalk(code, main, name) AS (VALUES (500, 150, 'Standing'), (501, 150, 'Standing - pre-flight'), (502, 150, 'Standing - starting engine(s)'), (503, 150, 'Standing - engine(s) operating'), (504, 150, 'Standing - engine(s) not operating'), (505, 150, 'Standing - idling rotors'), (510, 250, 'Taxi'), (511, 200, 'Taxi - pushback/tow'), (512, 250, 'Taxi - to takeoff'), (513, 250, 'Taxi - from landing'), (514, 250, 'Taxi - aerial'), (520, 300, 'Takeoff'), (521, 300, 'Takeoff - roll/run'), (522, 350, 'Takeoff - initial climb'), (523, 300, 'Takeoff - aborted'), (530, 400, 'Climb'), (531, 400, 'Climb - to cruise'), (540, 400, 'Cruise'), (541, 400, 'Cruise - normal'), (542, 400, 'Maneuvering - holding (IFR)'), (550, 400, 'Descent'), (551, 400, 'Descent - normal'), (552, 600, 'Descent - emergency'), (553, 650, 'Descent - uncontrolled'), (560, 500, 'Approach'), (561, 500, 'Approach - VFR pattern - downwind'), (562, 500, 'Approach - VFR pattern - base turn'), (563, 500, 'Approach - VFR pattern - base leg/base to final'), (564, 500, 'Approach - VFR pattern - final approach'), (565, 500, 'Go-around (VFR)'), (566, 500, 'Approach - IAF to FAF/outer marker (IFR)'), (567, 500, 'Approach - FAF/outer marker to threshold (IFR)'), (568, 500, 'Circling (IFR)'), (569, 500, 'Missed approach (IFR)'), (570, 550, 'Landing'), (571, 550, 'Landing - flare/touchdown'), (572, 550, 'Landing - roll'), (573, 550, 'Landing - aborted'), (574, 550, 'Emergency landing'), (575, 550, 'Emergency landing after takeoff'), (576, 600, 'Emergency descent/landing'), (580, 450, 'Maneuvering'), (581, 450, 'Maneuvering - aerial application'), (582, 450, 'Maneuvering - turn to reverse direction'), (583, 450, 'Maneuvering - turn to landing area (emergency)'), (590, 450, 'Hover'), (591, 450, 'Hover - in ground effect'), (592, 450, 'Hover - out of ground effect'), (600, 800, 'Other'), (610, 990, 'Unknown')),
    current_codes AS (
      SELECT e.case_mkey, TRY_CAST(e.\"tier1Number\" AS INTEGER) AS code,
        row_number() OVER (PARTITION BY e.case_mkey ORDER BY coalesce(e.\"isDefiningEvent\", false) DESC, e.position) AS n
      FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' e
      WHERE e.aircrafts_position = 1 AND e.\"tier1Number\" GLOB '[1-9][0-9]*'
        AND (e.\"isDefiningEvent\" OR e.case_mkey IN (SELECT \"mKey\" FROM 'https://openairdocs.org/data/latest/ntsb_case_detail.parquet' WHERE \"isPre1982\"))
    ),
    phases AS (
      SELECT case_mkey, 'current' AS scheme, code, CASE WHEN code >= 990 THEN 990 ELSE code // 50 * 50 END AS main
      FROM current_codes WHERE n = 1
      UNION ALL
      SELECT o.case_mkey, 'older', o.\"phaseOfFlightCode\", w.main
      FROM 'https://openairdocs.org/data/latest/ntsb_occurrences.parquet' o JOIN crosswalk w ON w.code = o.\"phaseOfFlightCode\"
      WHERE o.aircrafts_position = 1 AND o.\"occurrenceNumber\" = 1 AND o.case_mkey NOT IN (SELECT case_mkey FROM current_codes)
    ),
    case_phases AS (
      SELECT p.*, c.\"eventDate\", c.\"highestInjuryLevel\" = 'Fatal' AS fatal, a.aircraft_model_code
      FROM phases p JOIN 'https://openairdocs.org/data/latest/ntsb_case_detail.parquet' c ON c.\"mKey\" = p.case_mkey
      LEFT JOIN 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' a ON a.case_mkey = p.case_mkey AND a.position = 1
      WHERE c.\"eventDate\" >= DATE '1962-01-01' AND p.main IN (SELECT main FROM phase_names)
    )
  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 case_mkey FROM case_phases WHERE main = 400)
  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 CEN27LA031Accident · No injuriesClass 4 · LimitedInvestigation openAeronca 65CA · Hartford, WIOct 24, 2026 · N34402 · Substantial damageNTSB CEN27FA016Accident · 5 fatalClass 3 · FieldInvestigation openPiper PA 46-350P · Reedsburg, WIOct 14, 2026 · N931TTNTSB CEN26LA268Accident · No injuriesClass 3 · LimitedPreliminary reportKitfox III · Ephraim, WIOn July 26, 2026, at 1941 central daylight time, an experimental Kitfox III airplane, N573TB, sustained substantial damage when it was involved in an accident near Ephraim, Wisconsin. The private pilot and a passenger were uninjured. The airplane was operated…Jul 27, 2026 · N573TB · Substantial damageNTSB CEN26LA258Accident · No injuriesClass 3 · LimitedPreliminary reportVans RV-8A · Mineral Point, WIOn July 17, 2026, at 1748 central daylight time, an experimental amateur-built Vans Aircraft Inc RV-8A, N22SZ, sustained substantial damage when it was involved in an accident in Mineral Point, Wisconsin. The commercial pilot was uninjured. The airplane was…Jul 17, 2026 · N22SZ · Substantial damageNTSB CEN26LA208Accident · Minor injuriesClass 3 · LimitedPreliminary reportAmerican AA-1A · Amery, WIOn May 30, 2026, about 1113 central daylight time, a Grumman AA-1A airplane, N6416L, was substantially damaged when it was involved in an accident near Amery, Wisconsin. The pilot sustained minor injuries. The airplane was operated as a Title 14 Code of…May 30, 2026 · N6416L · Substantial damageNTSB CEN25LA378Accident · No injuriesClass 4 · LimitedFinal reportCirrus Design SR22T · Racine, WIA total loss of engine power for reasons that could not be determined.Sep 11, 2025 · N121JB · Substantial damageNTSB 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 CEN24LA356Accident · No injuriesClass 3 · LimitedFinal reportPiper PA-12 · Cumberland, WIThe total loss of engine power due to carburetor icing and the pilot’s delayed use carburetor heat in weather conditions conducive to carburetor icing.Sep 12, 2024 · N7878M · 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 CEN24FA024Accident · 1 fatalClass 3 · FieldFinal reportLancair 320 · Manitowoc, WIThe pilot’s decision to continue the visual flight rules flight into instrument meteorological conditions and failure to maintain clearance from trees and terrain during an unapproved instrument approach. Contributing to the accident was the pilot’s…Oct 25, 2023 · N320P · 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 CEN23LA329Accident · Minor injuriesClass 3 · LimitedFinal reportVarga 2150A · Green Lake, WIA loss of engine power due to fuel exhaustion, which resulted from the pilot’s inadequate preflight planning.Jul 27, 2023 · N5601G · Substantial damageNTSB CEN23LA322Accident · Serious injuriesClass 3 · LimitedFinal reportErcoupe 415-D · Waupun, WIThe pilot’s decision to take off without correcting a misinstalled fuel cap, which resulted in a loss of engine power due to fuel starvation caused by improper venting of the fuel system.Jul 23, 2023 · N415JC · Substantial damageNTSB CEN23FA239Accident · 2 fatalClass 3 · FieldFinal reportMooney M20R · Watertown, WIThe pilot’s loss of control due to spatial disorientation while operating in instrument meteorological conditions. Contributing to the accident was the pilot’s impairment from the prohibited substance; however, the extent of impairment could not be determined.Jun 14, 2023 · N1025C · DestroyedNTSB CEN22LA353Accident · Serious injuriesClass 3 · LimitedFinal reportSonex Sonex · River Falls, WIThe pilot’s improper fuel planning, which resulted in a total loss of engine power due to fuel exhaustion.Jul 29, 2022 · N1557S · Substantial damageNTSB CEN22LA334Accident · Minor injuriesClass 3 · LimitedFinal reportVan's RV-10 · Beaver Dam, WIThe improperly secured spark plug boot that resulted in smoke in the cockpit and a subsequent off-airport landing.Jul 22, 2022 · N4400K · Substantial damageNTSB CEN22FA021Accident · 1 fatalClass 3 · FieldFinal reportBeech B36TC · Lena, WIImpairment and subsequent incapacitation of the pilot for reasons that could not be determined. The incapacitation resulted in a loss of engine power due to fuel starvation. Likely contributing was pilot hypoxia due to altitude exposure, possibly worsened by…Oct 27, 2021 · N75RM · Substantial damageNTSB CEN22FA013Accident · 2 fatalClass 3 · FieldFinal reportNew Glasair Glastar · Waukesha, WIThe noninstrument-rated pilot’s decision to depart and continue flight into instrument meteorological conditions, which resulted in a loss of control due to spatial disorientation.Oct 12, 2021 · N628RS · DestroyedNTSB CEN21FA459Accident · 3 fatalClass 3 · FieldFinal reportRockwell International 690B · Hiles, WIThe pilot’s failure to maintain adequate airspeed, which caused the airplane to exceed its critical angle of attack and enter an inadvertent stall and spin.Sep 28, 2021 · N690LS · DestroyedNTSB CEN21LA343Accident · Minor injuriesClass 3 · LimitedFinal reportStinson JR. SR · Ripon, WIA total loss of engine power due to fuel starvation.Jul 29, 2021 · N81Y · Substantial damageNTSB CEN21LA232Accident · No injuriesClass 3 · LimitedFinal reportCirrus Design SR22 · Whitewater, WIAn inflight instrument malfunction for reasons that could not be determined based on available information, which led to the pilot’s decision to activate the airframe parachute system.May 16, 2021 · N4144B · Substantial damageNTSB CEN21LA213Accident · Minor injuriesClass 3 · LimitedFinal reportBeech C23 · Merrill, WIThe loss of engine power due to tappet failure.May 11, 2021 · N793Y · Substantial damageNTSB CEN20CA275Accident · No injuriesClass 4 · Data collectionFinal reportCondor Condor · Freedom, WIThe pilot's failure to initiate a climb in a timely manner which resulted in contact with wires.Jul 5, 2020 · N3502X · Substantial damageNTSB CEN19LA290Accident · Serious injuriesClass 3 · LimitedFinal reportBeech V35 · Monroe, WIA 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.Aug 27, 2019 · N6245V · Substantial damageNTSB CEN19CA239Accident · No injuriesData collectionFinal reportCessna 172 · Oshkosh, WIThe pilot's improper fuel planning and decision to not divert to a closer airport when the planned flight profile changed, which resulted in a total loss of engine power due to fuel exhaustion.Jul 28, 2019 · N79575 · Substantial damageNTSB CEN19LA243Accident · Serious injuriesClass 3 · LimitedFinal reportCulver LCA · Viroqua, WIA total loss of engine power due to fuel exhaustion.Jul 25, 2019 · N29272 · Substantial damageNTSB CEN19IA234Incident · No injuriesClass 3 · IncidentFinal reportMooney M20J · Oshkosh, WIThe failure of both pilots to remain clear of the other while flying in formation.Jul 21, 2019 · N9201A · 2 aircraft · Minor damageNTSB CEN19LA188Accident · Serious injuriesClass 3 · LimitedFinal reportCessna 560 · Janesville, WIThe passenger’s decision to unbuckle her restraints during an in-flight turbulence event, resulting in serious injury.Jun 27, 2019 · N318RW · Minor damageNTSB GAA19CA338Accident · No injuriesData collectionFinal reportPzl-Swidnik PW-5 · Independence, WIThe separation of the canopy from the glider during an off-airport landing for reasons that could not be determined.Jun 10, 2019 · N962JH · Substantial damageNTSB GAA19CA245Accident · No injuriesData collectionFinal reportErcoupe 415 C · Rosendale, WIThe pilot's selection of unsuitable terrain for an off-airport precautionary landing, which resulted in impact with a fence and a nose-over.May 6, 2019 · N2101H · Substantial damageNTSB GAA19CA166Accident · Minor injuriesData collectionFinal reportCessna 177RG · Land O' Lakes, WIThe pilot's improper fuel planning, which resulted in fuel exhaustion and the subsequent total loss of engine power.Mar 9, 2019 · N52047 · Substantial damageNTSB CEN19LA060Accident · Serious injuriesClass 3 · LimitedFinal reportStinson 108 · Keshena, WIA total loss of engine power during cruise flight for undetermined reasons, which resulted in a forced landing and subsequent impact with trees.Jan 19, 2019 · N97969 · Substantial damageNTSB CEN19LA071Accident · Minor injuriesClass 3 · LimitedFinal reportPiper PA24 · Beechwood, WIA partial loss of engine power for reasons that could not be determined based on the available information.Jan 18, 2019 · N6497P · 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 CEN19FA018Accident · 1 fatalField investigationFinal reportEurocopter AS350 · Odanah, WIThe pilot's loss of helicopter control for undetermined reasons.Oct 29, 2018 · N910S · DestroyedNTSB CEN18LA200Accident · No injuriesClass 3 · LimitedFinal reportIrlbeck Thomas H RV 8 · Somerset, WIA 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.May 29, 2018 · N214FF · 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 CEN18FA149Accident · 3 fatalField investigationFinal reportEurocopter AS 350 B2 · Hazelhurst, WIThe pilot's loss of helicopter control as a result of fatigue during cruise flight at night.Apr 27, 2018 · N127LN · DestroyedNTSB CEN17LA344Accident · No injuriesLimited investigationFinal reportAviat A 1B · Prairie du Chien, WIThe fatigue failure of the aileron hinge bracket tubing for reasons that could not be determined based on the available evidence.Sep 9, 2017 · N299CA · Substantial damageNTSB CEN17FA248Accident · 6 fatalField investigationFinal reportCessna 421C · Catawba, WIA loss of control and subsequent in-flight breakup for reasons that could not be determined based on the available information.Jul 1, 2017 · N2655B · DestroyedNTSB GAA17CA244Accident · No injuriesData collectionFinal reportBeech 99 · Waukesha, WIAn in-flight collision with a bird during the approach.Apr 24, 2017 · N899CZ · Substantial damageNTSB CEN17LA076Accident · No injuriesLimited investigationFinal reportCessna 182T · Green Bay, WIThe airplane’s encounter with unforecast icing conditions, which led to structural icing that obscured the pilot’s vision, an aerodynamic stall, and a subsequent hard landing.Jan 11, 2017 · C-GTBI · 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 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 CEN16LA069Accident · Serious injuriesLimited investigationFinal reportCirrus Design SR22 · Watertown, WIThe 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…Dec 27, 2015 · N5PF · Substantial damageNTSB 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 CEN15LA217Accident · Minor injuriesLimited investigationFinal reportCessna 150F · Neillsville, WIA 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.May 2, 2015 · N8558G · Substantial damageNTSB GAA15CA009Accident · No injuriesData collectionFinal reportBeech 76 · Juda, WIThe pilot's improper fuel planning, which resulted in fuel exhaustion, and a loss of engine power enroute.Mar 16, 2015 · N6700D · Substantial damageNTSB CEN15FA119Accident · 1 fatalField investigationFinal reportCessna 182L · Owen, WIThe 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…Jan 26, 2015 · N3181R · Substantial damageNTSB CEN15FA027Accident · 1 fatalField investigationFinal reportCessna T210M · Bay City, WIThe non-instrument rated pilot’s continued visual flight into instrument flight rules conditions, which resulted in an in-flight loss of control.Oct 24, 2014 · N761SU · Destroyed