# NTSB investigations, WI: Maneuvering

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 5 · 228 cases

## Latest cases

- [NTSB CEN27LA009](https://openairdocs.org/ntsb/CEN27LA009.md): Simpson Arthur Monnett Sonerai Iilt · Sextonville, WI · Accident · Serious injuries · Class 3 · Limited · Investigation open · Oct 12, 2026 · N473AS
- [NTSB CEN26LA326](https://openairdocs.org/ntsb/CEN26LA326.md): Beech 35-A33 · East Troy, WI · Accident · Minor injuries · Class 3 · Limited · Preliminary report · Sep 27, 2026 · N1288Z · Substantial damage
  > On September 27, 2026, about 1333 central daylight time, a Beech A33 airplane, N1288Z, was substantially damaged when it was involved in an accident near East Troy, Wisconsin. The pilot and three passengers sustained minor injuries. The airplane was operated…
- [NTSB CEN26LA308](https://openairdocs.org/ntsb/CEN26LA308.md): Six Chuter SR7 XL · Amery, WI · Accident · Serious injuries · Class 3 · Limited · Preliminary report · Sep 3, 2026 · N5617X · Substantial damage
  > On September 2, 2026, about 2007 central daylight time, a Six Chuter SR7XL experimental light-sport powered parachute, N5617X, was involved in an accident near Amery, Wisconsin. The pilot was seriously injured. The powered parachute was operated as a Title 14…
- [NTSB CEN25LA149](https://openairdocs.org/ntsb/CEN25LA149.md): Pphu Ekolot KR-030 Topaz · Platteville, WI · Accident · Serious injuries · Class 3 · Limited · Final report · Apr 8, 2025 · N568RD · Substantial damage
  > The pilot’s failure to maintain clearance from terrain for reasons which could not be determined.
- [NTSB CEN24LA275](https://openairdocs.org/ntsb/CEN24LA275.md): Bell 206B · Cuba City, WI · Accident · Minor injuries · Class 4 · Limited · Final report · Jul 21, 2024 · N67110 · Substantial damage
  > The pilot’s failure to maintain clearance from a wire during an agricultural application pass.
- [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 CEN23LA393](https://openairdocs.org/ntsb/CEN23LA393.md): Cessna R172K · Plover, WI · Accident · No injuries · Class 4 · Limited · Final report · Sep 1, 2023 · N172SP · Substantial damage
  > The pilot’s inadequate fuel management which resulted in a total loss of engine power due to fuel starvation.
- [NTSB CEN23FA332](https://openairdocs.org/ntsb/CEN23FA332.md): North American AT-6D · Oshkosh, WI · Accident · 2 fatal · Class 3 · Field · Final report · Jul 29, 2023 · N49961 · Destroyed
  > The pilot’s failure to maintain airspeed while maneuvering, which resulted in the exceedance of the airplane’s critical angle of attack and an aerodynamic stall/spin.
- [NTSB CEN22FA019](https://openairdocs.org/ntsb/CEN22FA019.md): American Champion 8KCAB · Marengo, WI · Accident · 2 fatal · Class 3 · Field · Final report · Oct 23, 2021 · N843AC · Destroyed
  > The pilot’s failure to maintain adequate airspeed during the steep turn, which resulted in the airplane exceeding its critical angle of attack and an aerodynamic stall. Also causal was the pilot’s decision to conduct steep turns without sufficient altitude to…
- [NTSB CEN21LA349](https://openairdocs.org/ntsb/CEN21LA349.md): Robinson Helicopter R44 II · Randolph, WI · Accident · Serious injuries · Class 4 · Limited · Final report · Jul 31, 2021 · N285RG · Substantial damage
  > The pilot’s failure to maintain clearance from power lines during a low-level aerial application flight.
- [NTSB CEN21LA452](https://openairdocs.org/ntsb/CEN21LA452.md): Robinson Helicopter R44 · Mineral Point, WI · Accident · No injuries · Class 4 · Limited · Final report · Jul 20, 2021 · N44XB · Substantial damage
  > The pilot’s failure to see and avoid a wire during an aerial application flight, resulting in a collision with the wire.
- [NTSB CEN21LA021](https://openairdocs.org/ntsb/CEN21LA021.md): Robinson Helicopter R44 II · Washington, WI · Accident · No injuries · Class 4 · Limited · Final report · Oct 18, 2020 · N31136 · Substantial damage
  > The pilot’s failure to maintain lateral control during a hover and improper recovery action after the helicopter contacted the ground, which resulted in a dynamic rollover sequence and an impact with terrain.
- [NTSB CEN20CA300](https://openairdocs.org/ntsb/CEN20CA300.md): Robinson R44 · Dickeyville, WI · Accident · No injuries · Class 4 · Data collection · Final report · Jul 20, 2020 · N570WH · Substantial damage
  > The pilot did not maintain clearance from wires during an aerial application flight.
- [NTSB CEN18FA215](https://openairdocs.org/ntsb/CEN18FA215.md): Robinson Helicopter R44 · Oshkosh, WI · Accident · 1 fatal · Field investigation · Final report · Jun 9, 2018 · N529DW · Substantial damage
  > The pilot's decision to fly over the river at a low altitude and his failure to maintain clearance with wires during low-level flight.
- [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 CEN18LA121](https://openairdocs.org/ntsb/CEN18LA121.md): Hughes 369D · Blair, WI · Accident · Serious injuries · Limited investigation · Final report · Mar 7, 2018 · N499SL · No damage
  > The pilot’s failure to recognize and compensate for hazards during the external load operation, which led to a collision between a lineman (external load) and a powerline.
- [NTSB GAA17CA491](https://openairdocs.org/ntsb/GAA17CA491.md): Robinson Helicopter R44 · Westby, WI · Accident · No injuries · Data collection · Final report · Aug 14, 2017 · N97UP · Substantial damage
  > The pilot's failure to see and avoid power lines while maneuvering at low altitude.
- [NTSB CEN17FA197](https://openairdocs.org/ntsb/CEN17FA197.md): Aerotek Pitts S 2A · Sheboygan Falls, WI · Accident · 2 fatal · Field investigation · Final report · May 26, 2017 · N67PN · Substantial damage
  > The pilot's failure to maintain airplane control following a partial loss of engine power during a low-level aerobatic maneuver; the reason for the loss of engine power could not be determined during postaccident examination of the engine. Contributing to the…
- [NTSB CEN17FA196](https://openairdocs.org/ntsb/CEN17FA196.md): Piper J3C · Chetek, WI · Accident · 1 fatal · Field investigation · Final report · May 24, 2017 · N35132 · Substantial damage
  > The pilot's failure to maintain control of the airplane while flying at a low altitude, which resulted in the airplane exceeding the critical angle of attack and a subsequent aerodynamic stall.
- [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 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 CEN16LA123](https://openairdocs.org/ntsb/CEN16LA123.md): Brockman William A Challenger II · Neshkoro, WI · Accident · Serious injuries · Limited investigation · Final report · Mar 12, 2016 · N710WB · Substantial damage
  > A total loss of engine power for reasons that could not be determined, as postaccident examination revealed no anomalies that would have precluded normal operation. Contributing to the accident was the non-certificated pilot's decision to maneuver at low…
- [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 CEN15LA399](https://openairdocs.org/ntsb/CEN15LA399.md): Weatherly 620B · Hancock, WI · Accident · 1 fatal · Limited investigation · Final report · Aug 26, 2015 · N2005C · Destroyed
  > The 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…
- [NTSB CEN15CA348](https://openairdocs.org/ntsb/CEN15CA348.md): Robinson R44 · Kansasville, WI · Accident · Minor injuries · Data collection · Final report · Aug 7, 2015 · N20KD · Destroyed
  > The pilot's inability to see and avoid power lines that were low to the ground and a green color that blended with the background crops.
- [NTSB CEN15FA320](https://openairdocs.org/ntsb/CEN15FA320.md): Beech M35 · Amery, WI · Accident · 4 fatal · Field investigation · Final report · Jul 27, 2015 · N9CB · Destroyed
  > The pilot’s loss of airplane control while maneuvering with the airplane near its maximum gross weight, which resulted in the airplane exceeding its critical angle-of-attack and entering an aerodynamic stall.
- [NTSB CEN15FA249](https://openairdocs.org/ntsb/CEN15FA249.md): Monnett John T JR Sonex SA · Oshkosh, WI · Accident · 2 fatal · Field investigation · Final report · Jun 2, 2015 · N123SX · Substantial damage
  > The pilot's failure to maintain sufficient airspeed following a loss of engine power during initial takeoff climb, which resulted in the airplane's wing exceeding its critical angle-of-attack and a subsequent aerodynamic stall. The reason for the loss of…
- [NTSB CEN14CA426](https://openairdocs.org/ntsb/CEN14CA426.md): Robinson Helicopter R44 · Lancaster, WI · Accident · No injuries · Data collection · Final report · Aug 13, 2014 · N8343P · Substantial damage
  > The pilot's inadequate monitoring of the environment and failure to maintain clearance from transmission wires during an aerial application flight.
- [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 CEN14LA401](https://openairdocs.org/ntsb/CEN14LA401.md): Mosquito XE · Oshkosh, WI · Accident · No injuries · Limited investigation · Final report · Aug 1, 2014 · CF-HEZ · Substantial damage
  > The failure of the retaining assembly on the tail rotor blade, which resulted in the separation of the blade and the subsequent loss of helicopter control.
- [NTSB CEN14CA344](https://openairdocs.org/ntsb/CEN14CA344.md): Piper PA 25-235 · Rhinelander, WI · Accident · Minor injuries · Data collection · Final report · Jul 3, 2014 · N8730L · Substantial damage
  > A loss of engine power due to the pilot's improper inflight planning and reliance of fuel gauge readings, which resulted in fuel exhaustion.
- [NTSB CEN14FA266](https://openairdocs.org/ntsb/CEN14FA266.md): Yakovlev YAK-55M · Stevens Point, WI · Accident · 1 fatal · Field investigation · Final report · Jun 1, 2014 · N176FD · Substantial damage
  > The pilot's failure to maintain airplane control during the aerobatic flight, which resulted in the airplane exceeding its critical angle of attack and entering an accelerated stall at a low altitude.
- [NTSB CEN13LA395](https://openairdocs.org/ntsb/CEN13LA395.md): Bell 47G-3B-1 · Plover, WI · Accident · Minor injuries · Limited investigation · Final report · Jul 6, 2013 · N7924S · Substantial damage
  > The pilot’s failure to maintain proper engine rpm, which resulted in a high rate of descent and ground impact.
- [NTSB CEN13FA060](https://openairdocs.org/ntsb/CEN13FA060.md): Grumman American Avn. AA-1B · Burlington, WI · Accident · 2 fatal · Field investigation · Final report · Nov 18, 2012 · N6273L · Substantial damage
  > The pilot’s failure to maintain control of the airplane while maneuvering at a low altitude, which resulted in an inadvertent stall and spin.
- [NTSB CEN12IA498](https://openairdocs.org/ntsb/CEN12IA498.md): American Champion 8KCAB · Oshkosh, WI · Incident · No injuries · Incident investigation · Final report · Jul 26, 2012 · N60GK · No damage
  > The failure of the pilot’s seat bottom frame due to the manufacturer’s improper production, installation, and inspection of that seat bottom, which resulted in a temporary loss of control during an air show performance.
- [NTSB CEN12CA464](https://openairdocs.org/ntsb/CEN12CA464.md): Bertram William J Bertram 2000 · Shiocton, WI · Accident · Serious injuries · Data collection · Final report · Jul 21, 2012 · N115WB · Substantial damage
  > The pilot’s distraction with taking photographs, which resulted in his failure to maintain sufficient altitude to avoid the guy wire.
- [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 CEN12LA133](https://openairdocs.org/ntsb/CEN12LA133.md): Cessna 150J · Denmark, WI · Accident · Serious injuries · Limited investigation · Final report · Jan 12, 2012 · N60676 · Substantial damage
  > The pilot’s loss of control due to his alcohol impairment. Contributing to the accident was the pilot's decision to fly at night with a known interior lighting malfunction.
- [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 CEN11FA505](https://openairdocs.org/ntsb/CEN11FA505.md): Piper J3L-65 · Van Dyne, WI · Accident · 2 fatal · Field investigation · Final report · Jul 25, 2011 · N81BF · Substantial damage
  > The pilot’s inability to maintain airplane control while maneuvering for reasons that could not be determined from the available evidence.
- [NTSB CEN11LA456](https://openairdocs.org/ntsb/CEN11LA456.md): Condor Southern Powered Parach Raptor · Weyauwega, WI · Accident · Serious injuries · Limited investigation · Final report · Jul 3, 2011 · N6012H · Minor damage
  > The pilot's failure to maintain sufficient altitude to clear power lines during flight.
- [NTSB CEN11CA453](https://openairdocs.org/ntsb/CEN11CA453.md): Powrachute Airwolf 912 · Oconto, WI · Accident · Serious injuries · Data collection · Final report · Jun 30, 2011 · N734MP · Substantial damage
  > The powered parachute pilot's decision to execute an in-flight full-flare which resulted in exceeding the angle of attack capabilities of the parachute wing, and subsequent inadvertent stall.
- [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 CEN10CA251](https://openairdocs.org/ntsb/CEN10CA251.md): Robinson Helicopter R44 · Baraboo, WI · Accident · No injuries · Data collection · Final report · May 15, 2010 · N570MD · Substantial damage
  > The pilot's failure to maintain clearance with crops while maneuvering during aerial application.
- [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.
- [NTSB CEN09LA447](https://openairdocs.org/ntsb/CEN09LA447.md): Cessna A188B · Suring, WI · Accident · No injuries · Limited investigation · Final report · Jul 16, 2009 · N9747G · Substantial damage
  > A 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…
- [NTSB CEN09GA242](https://openairdocs.org/ntsb/CEN09GA242.md): Cessna 337 · Pittsville, WI · Accident · 1 fatal · Final report · Apr 8, 2009 · N2489S · No damage
  > The pilot's failure to maintain adequate airspeed which resulted in an aerodynamic stall at a low altitude.
- [NTSB CHI08CA192](https://openairdocs.org/ntsb/CHI08CA192.md): Bell 47G-3B · Port Edwards, WI · Accident · Minor injuries · Data collection · Final report · Jul 11, 2008 · N73995 · Substantial damage
  > The pilot failed to maintain control of the helicopter when he inadvertently flared the helicopter and the rotor rpm decayed as a result of sustaining bee stings during an aerial application flight. Contributing to the accidnet included the bees and the low…
- [NTSB CHI08LA190](https://openairdocs.org/ntsb/CHI08LA190.md): de Havilland DHC-6-200 · Baldwin, WI · Accident · No injuries · Limited investigation · Final report · Jun 29, 2008 · N203SF · Substantial damage
  > Undetermined.
- [NTSB CHI08FA172](https://openairdocs.org/ntsb/CHI08FA172.md): Enstrom Helicopter 480B · Marinette, WI · Accident · No injuries · Field investigation · Final report · Jun 24, 2008 · N480PD · Substantial damage
  > The pilot inadvertently operating the helicopter at a gross weight greater than its maximum allowable operating weight, and flying the helicopter at an airspeed greater than the never-to-exceed speed for the helicopter’s gross weight condition, resulting in…

Next page: https://openairdocs.org/ntsb-phases/450/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
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 = 450)
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb-phases/450/cases?state=WI

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