NTSB investigations, WI

90 cases where the phase of flight was Taxi.

Cases per year

19642026
NTSB investigations, WI per year, 1964–2026: 90 cases
19643
19651
19666
19674
19683
19693
19707
19723
19732
19752
19776
19782
19793
19812
19831
19851
19862
19871
19881
19891
19901
19932
19941
19952
19962
19971
19981
19994
20002
20023
20041
20062
20073
20081
20111
20131
20161
20201
20211
20223
20241
20251

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 = 250)
  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 CEN25LA293Accident · No injuriesClass 4 · LimitedFinal reportPiper PA-31T3 · Appleton, WIThe pilot’s failure to maintain control of the airplane on the ground, which resulted in a collision with a parked airplane.Jul 26, 2025 · N401VA · Substantial damageNTSB CEN24LA294Incident · No injuriesClass 4 · LimitedFinal reportMooney M20J · Appleton, WIThe pilot’s failure to maintain adequate wingtip clearance while taxiing. Contributing to the accident was the ambiguous nonstandard parking at the time of the incident.Jul 24, 2024 · N555ED · Minor damageNTSB CEN22LA346Accident · No injuriesClass 4 · LimitedFinal reportMeschler Gary R RV-4 · Oshkosh, WIThe failure of the pilot of N694V (RV-8) to maintain clearance from the preceding airplane, N79KM (RV-4), while taxiing for takeoff, which resulted in an on-ground collision.Jul 28, 2022 · N79KM · 2 aircraft · Substantial damageNTSB CEN22LA188Accident · No injuriesClass 3 · LimitedFinal reportBeech B-99 · Milwaukee, WIA right main landing gear collapse due to fatigue failure of the landing gear drag leg support fitting.Apr 30, 2022 · N699CZ · Substantial damageNTSB CEN22LA182Accident · No injuriesClass 4 · LimitedFinal reportPiper-Harris J3C-65 · Hartford, WIThe flight instructor lost control of the airplane while taxiing in gusty wind conditions.Apr 21, 2022 · N9721Y · Substantial damageNTSB CEN21LA336Accident · No injuriesClass 3 · LimitedFinal reportDriver RV-7 · Oshkosh, WIThe RV-8 pilot’s failure to account for the position of the RV-7 behind him during the landing roll in a staggered landing formation, which resulted in a ground collision of the two airplanes. Contributing to the accident was the self-induced pressure created…Jul 23, 2021 · N977RV · 2 aircraft · Substantial damageNTSB CEN20LA436Accident · No injuriesClass 4 · LimitedFinal reportPiper J3 · Hartford, WIThe pilot’s loss of situation awareness which resulted in landing in a grass area and the subsequent collision with a runway marker.Aug 30, 2020 · N88204 · Substantial damageNTSB CEN17LA090Accident · No injuriesLimited investigationFinal reportCessna 172B · Prairie Du Sac, WIThe pilot's decision to taxi the airplane from the roadway and his subsequent failure to maintain clearance from signs and a fence after a successful emergency landing following a total loss of engine power.Dec 28, 2016 · N6941X · Substantial damageNTSB CEN13CA187Accident · No injuriesData collectionFinal reportChampion 7GCAA · Oshkosh, WIFatigue cracking and failure of the left wheel strut mount resulting in collapse of the left main landing gear during taxi.Feb 2, 2013 · N9691S · Substantial damageNTSB CEN11CA523Accident · No injuriesData collectionFinal reportCessna 195 · Oshkosh, WIThe failure of the left brake which resulted in a ground-loop.Jul 28, 2011 · N195SM · Substantial damageNTSB CEN09LA093Accident · No injuriesLimited investigationFinal reportMcdonnell Douglas DC-9-50 · Madison, WIThe collision between the tug and the airplane during towing as a result of sliding on the snow covered runway.Dec 3, 2008 · N782NC · Substantial damageNTSB CHI07LA092Accident · No injuriesLimited investigationFinal reportSocata TB-20 Trinidad · Rhinelander, WIThe failure of the pilot to maintain directional control of the airplane during taxi. A contributing factor was the gusting winds and sign.Mar 19, 2007 · N900Y · Substantial damageNTSB CHI07FA060Accident · Minor injuriesField investigationFinal reportBeechcraft BE99 · Milwaukee, WIThe failure of both pilots to adequately scan for and avoid other aircraft traffic during taxi operations, and the failure of Air Traffic Control to issue a traffic advisory to both of the pilots. A contributing factor to the accident was the night time light…Jan 25, 2007 · N699CZ · 2 aircraft · Substantial damageNTSB CHI07CA055Accident · No injuriesData collectionFinal reportCessna 150M · Bristol, WIThe pilot's selection of unsuitable terrain to taxi on for takeoff. A factor was the soft terrain condition.Jan 5, 2007 · N63332 · Substantial damageNTSB CHI07LA021Accident · No injuriesLimited investigationFinal reportBoeing 717-200 · Milwaukee, WIThe failure of ground personnel to verify the clearance between the airplanes prior to signaling the crew tha the crew of the other airplane that they were cleared to taxi.Nov 8, 2006 · N904ME · 2 aircraft · Minor damageNTSB CHI06FA206Accident · 1 fatalField investigationFinal reportGrumman TBM-3 · Oshkosh, WIThe Avenger pilot's visual lookout was inadequate and he failed to maintain clearance from the RV-6. Contributing factors were the Avenger's restricted visibility and the RV-6.Jul 30, 2006 · N420GP · 2 aircraft · Minor damageNTSB CHI04LA083Accident · No injuriesLimited investigationFinal reportCessna 195 · Manitowoc, WIThe Cessna 195 pilot's failure to maintain clearance from the Cessna 177RG while taxiing to the ramp after landing. A contributing factor was the restricted forward visibility (blind spot) of the Cessna 195 due to the engine cowling. An additional factor was…Feb 19, 2004 · N4351V · Minor damageNTSB CHI03LA017Accident · No injuriesLimited investigationFinal reportCessna 172 · Neenah, WIThe pilot failed to maintain clearance from the post. Factors included the post and the sun glare.Oct 17, 2002 · N46459 · Substantial damageNTSB CHI02CA279Accident · Serious injuriesData collectionFinal reportCessna 120 · Brookfield, WIThe inadequate visual outlook by the pilot during taxi.Sep 6, 2002 · N2601N · No damageNTSB CHI02LA124Accident · No injuriesLimited investigationFinal reportCessna 185F · Cumberland, WIthe failure of the pilot to maintain directional control after encountering high winds and gusty winds during taxi from landing.Apr 29, 2002 · N8081E · Substantial damageNTSB CHI00LA143Accident · Minor injuriesLimited investigationFinal reportCessna T207A · Green Bay, WIthe improper compensation for the wind conditions. A factor in the accident was the wind shear.May 24, 2000 · N774EA · Substantial damageNTSB CHI00IA062Incident · No injuriesIncident investigationFinal reportBritish Aerospace Jetstream 3101 · Milwaukee, WIthe hold-short clearance not being followed by the flightcrew, which resulted in a near collision with the departing Boeing 727-200.Jan 21, 2000 · N842JS · No damageNTSB CHI00FA050Accident · No injuriesField investigationFinal reportIsrael Aircraft Industries 1124A · Milwaukee, WIThe failure of the first stage pressure reducer in the oxygen regulator assembly.Dec 26, 1999 · N422BC · Substantial damageNTSB CHI99LA302Accident · No injuriesLimited investigationFinal reportCessna 150K · Kenosha, WIThe pilot's attention being diverted into the cockpit and not maintaining visual separation with the fuel truck. A factor in the accident was the fuel truck.Aug 14, 1999 · N6001G · Substantial damageNTSB CHI99TA149Accident · Minor injuriesFinal reportCessna 180J · Necedah, WIThe pilot's failure to maintain compensation for the wind conditions. A factor was the gusting tailwind.May 10, 1999 · N59DW · Substantial damageNTSB CHI99LA097Accident · No injuriesLimited investigationFinal reportCessna 182E · East Troy, WIthe collapse of the right main landing gear from a preexisting fatigue crack.Feb 21, 1999 · N3177Y · Substantial damageNTSB CHI98LA297Accident · No injuriesLimited investigationFinal reportCessna 180 · Oshkosh, WIthe pilot of the other airplane did not maintain proper clearance.Aug 1, 1998 · N111WF · 2 aircraft · Substantial damageNTSB CHI97LA244Accident · Minor injuriesLimited investigationFinal reportPiper PA-24-250 · Fond Du Lac, WIthe pilot's improper use of the throttle control friction lock, and his inadequate remedial action. Related factors were his lack of experience in type of aircraft, the pilot's habit interference, and the presence of parked (standing) aircraft.Aug 2, 1997 · N720MB · Substantial damageNTSB CHI96LA354Accident · No injuriesLimited investigationFinal reportCessna 172L · Delavan, WIthe pilot's failure to assure the airplane was properly secured prior to hand-propping the engine.Sep 29, 1996 · N7216Q · Substantial damageNTSB CHI96LA078Accident · Serious injuriesLimited investigationFinal reportPiper J3C-65 · Mount Horeb, WIfailure of the pilot to see-and-avoid the pedestrian. Factors relating to the accident were: the pilot's inadequate preflight preparation, his landing on a closed airstrip, and the snow covered terrain.Jan 14, 1996 · N1412N · No damageNTSB CHI95LA252Accident · No injuriesLimited investigationFinal reportStevens Acro II · Oshkosh, WIthe failure of the pilot of the Acro II, N40LF, to maintain clearance from the Cessna 172, N5542R.Jul 31, 1995 · N40LF · 2 aircraft · Minor damageNTSB CHI95LA194Accident · No injuriesLimited investigationFinal reportPiper J-5A · Wausau, WIthe pilot's misjudgment of the clearance between the airplane and the fuel pumps.Jun 23, 1995 · N40888 · Substantial damageNTSB CHI95LA010Accident · No injuriesLimited investigationFinal reportGreat Lakes 2T-1A-2 · Mt. Horeb, WIthe pilot's excessive braking while taxiing from landing.Oct 10, 1994 · N933EB · Substantial damageNTSB CHI93LA294Accident · No injuriesLimited investigationFinal reportNorth American F-51 · Fond Du Lac, WIthe pilot-in-command of the F-51's diverted attention and failure to maintain a visual outlook.Jul 28, 1993 · N6327T · 2 aircraft · Minor damageNTSB CHI93LA223Accident · No injuriesLimited investigationFinal reportBellanca 7ECA · Osceola, WIThe pilot in command's failure to maintain directional control.Jun 27, 1993 · N11854 · Substantial damageNTSB CHI91LA019Accident · No injuriesLimited investigationFinal reportCessna 150 · La Crosse, WIInadequate visual outlook by the PIC.Oct 30, 1990 · N7641G · Substantial damageNTSB CHI89FA153Accident · No injuriesField investigationFinal reportCessna 182Q · Oshkosh, WIThe pilot of Cessna N95914 misjudging the distance necessary to avoid collisions with a the standing Piper N5937W.Jul 30, 1989 · N95915 · 2 aircraft · Substantial damageNTSB CHI88FA179Accident · 1 fatalField investigationFinal reportPiper PA-30 · Oshkosh, WIJul 29, 1988 · N43GS · No damageNTSB CHI87LA075Accident · No injuriesLimited investigationFinal reportAeronca 11AC · Dodgeville, WIWhile taxiing after landing on runway 12, a tailwind was encountered. The acft spun around, slid backwards off the rwy, down a steep embankment and struck a large rock. The plt reported winds from 270 degrees at 12 knots gusting to 18 knots.Feb 5, 1987 · N86079 · Substantial damageNTSB CHI86FEP05Accident · No injuriesFinal reportBeech C-23 · Milwaukee, WIDuring taxi for takeoff the plt inadvertently taxied onto an access road and struck and unlit sign. The taxiway had been resurfaced and no taxi guide lines had been repainted.Jun 18, 1986 · N66345 · Substantial damageNTSB CHI86LA085Accident · No injuriesLimited investigationFinal reportCessna 401B · Milwaukee, WIWhile taxiing to park, the left main landing gear collapsed. Investigation revealed that the left hand gear support had torn from the wing rib to which it was bolted. On the FAA malfunction or defect report submitted by the operator, company officials stated…Feb 9, 1986 · N777CS · Substantial damageNTSB CHI85FA170Accident · No injuriesField investigationFinal reportBeech E18S · Janesville, WIOn April 20,1985 at approx. 2100HRS local time a Beechcraft model E185 N68Y owned and operated by blackhawk airways inc. was conducting a normal runup in preparation for a flight from Janesville, WI. (Jvl) to chicago IL. (Ord). At the completion of the of the…Apr 21, 1985 · N68V · Substantial damageNTSB CHI83LA147Accident · No injuriesLimited investigationFinal reportCessna 150 · Oshkosh, WIThe student plt was on a supervised, solo, x-country flt from mosinee, WI, to Oshkosh, WI, green bay, WI, then return to mosinee. The first leg of the flight was flown with no problem. Before takeoff at oshkosk, the student was taxiing southbound with a left…Mar 20, 1983 · N704WN · Substantial damageNTSB CHI81DEP46Accident · No injuriesClosedPiper PA-22 · La Pointe, WISep 14, 1981 · N3551P · Substantial damageNTSB CHI81DER12Accident · No injuriesClosedPiper J3C-65 · Long Lake, WIJan 18, 1981 · N1459N · Substantial damageNTSB CHI79DEP65Accident · No injuriesClosedCessna 150 · Waukesha, WIJul 24, 1979 · N3416V · Substantial damageNTSB CHI79DEP64Accident · No injuriesClosedBeech 23 · Appleton, WIJul 21, 1979 · N2373W · Substantial damageNTSB CHI79DEP55Accident · No injuriesClosedPiper PA-28 · Lake Geneva, WIJul 1, 1979 · N6981C · Substantial damageNTSB CHI79DEP19Accident · No injuriesClosedGrumman AA-1C · Madison, WIDec 26, 1978 · N9649U · Substantial damageNTSB CHI78FEP22Accident · No injuriesClosedCessna 182E · East Troy, WIMar 4, 1978 · N2860Y · Substantial damage