# NTSB investigations, 2023, WI

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.

## Latest cases

- [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 CEN24LA043](https://openairdocs.org/ntsb/CEN24LA043.md): Bearhawk Four · Eau Claire, WI · Accident · No injuries · Class 4 · Limited · Final report · Nov 21, 2023 · N274LC · Substantial damage
  > The pilot’s failure to maintain directional control during landing.
- [NTSB CEN24FA024](https://openairdocs.org/ntsb/CEN24FA024.md): Lancair 320 · Manitowoc, WI · Accident · 1 fatal · Class 3 · Field · Final report · Oct 25, 2023 · N320P · Substantial damage
  > The 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…
- [NTSB CEN24LA012](https://openairdocs.org/ntsb/CEN24LA012.md): Tvap 4 · Franksville, WI · Accident · No injuries · Class 3 · Limited · Final report · Oct 15, 2023 · N42VZ · Substantial damage
  > The improper installation of the supplemental ignition system, which resulted in a total loss of engine power.
- [NTSB CEN24LA001](https://openairdocs.org/ntsb/CEN24LA001.md): Beech 23 · Waupaca, WI · Accident · Serious injuries · Class 4 · Limited · Final report · Oct 1, 2023 · N1963F · Substantial damage
  > The pilot’s failure to maintain directional control during the go-around, that resulted in a runway excursion and an impact with terrain.
- [NTSB CEN23LA430](https://openairdocs.org/ntsb/CEN23LA430.md): Cessna 172S · West Bend, WI · Accident · No injuries · Class 4 · Limited · Final report · Sep 13, 2023 · N529ER · Substantial damage
  > The pilot’s inadequate landing flare that resulted in a hard landing and impact with the runway.
- [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 CEN23FA369](https://openairdocs.org/ntsb/CEN23FA369.md): Piper J5A · Iola, WI · Accident · 1 fatal · Class 3 · Field · Final report · Aug 19, 2023 · N35417 · Substantial damage
  > The pilot’s failure to maintain control of the airplane after landing on a grass taxiway with a tailwind, which resulted in a nose over.
- [NTSB CEN23FA333](https://openairdocs.org/ntsb/CEN23FA333.md): Rotorway 162F · Oshkosh, WI · Accident · 2 fatal · Class 3 · Field · Final report · Jul 29, 2023 · N193AZ · 2 aircraft · Destroyed
  > The failure of the gyroplane pilot to see and avoid the helicopter while maneuvering in the traffic pattern. Contributing to the accident was the gyroplane pilot’s performance of a prohibited maneuver in the traffic pattern.
- [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 CEN23LA329](https://openairdocs.org/ntsb/CEN23LA329.md): Varga 2150A · Green Lake, WI · Accident · Minor injuries · Class 3 · Limited · Final report · Jul 27, 2023 · N5601G · Substantial damage
  > A loss of engine power due to fuel exhaustion, which resulted from the pilot’s inadequate preflight planning.
- [NTSB CEN23FA320](https://openairdocs.org/ntsb/CEN23FA320.md): Heath V-Strut · Oshkosh, WI · Accident · Minor injuries · Class 3 · Field · Final report · Jul 25, 2023 · N9549 · Substantial damage
  > The pilot’s failure to maintain adequate airspeed and his exceedance of the airplane’s critical angle of attack, which resulted in an aerodynamic stall.
- [NTSB CEN23LA322](https://openairdocs.org/ntsb/CEN23LA322.md): Ercoupe 415-D · Waupun, WI · Accident · Serious injuries · Class 3 · Limited · Final report · Jul 23, 2023 · N415JC · Substantial damage
  > The 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.
- [NTSB CEN23LA323](https://openairdocs.org/ntsb/CEN23LA323.md): Vans RV-10 · Oshkosh, WI · Accident · No injuries · Class 4 · Limited · Final report · Jul 20, 2023 · N917CM · Substantial damage
  > The pilot’s improper landing flare which resulted in a hard landing.
- [NTSB CEN23LA368](https://openairdocs.org/ntsb/CEN23LA368.md): Piper PA-28-180 · Eagle River, WI · Accident · Serious injuries · Class 4 · Limited · Final report · Jul 18, 2023 · N7921W · Substantial damage
  > The pilot’s failure to maintain proper airspeed on approach, which resulted in an extended touchdown, loss of control, and runway excursion.
- [NTSB CEN23LA272](https://openairdocs.org/ntsb/CEN23LA272.md): Six Chuter SR7 XL · Chetek, WI · Accident · Serious injuries · Class 4 · Limited · Final report · Jul 2, 2023 · N6365A · Substantial damage
  > The pilot’s failure to maintain aircraft control during initial climb which resulted in an impact with a pole, trees, and terrain.
- [NTSB CEN23LA250](https://openairdocs.org/ntsb/CEN23LA250.md): Champion 7EC · Waunakee, WI · Accident · Minor injuries · Class 3 · Limited · Final report · Jun 21, 2023 · N80461 · Substantial damage
  > A total loss of engine power during the initial takeoff climb due to a worn manual fuel primer pump locking mechanism, which resulted in an unlocked primer and an overly rich fuel mixture.
- [NTSB CEN23FA239](https://openairdocs.org/ntsb/CEN23FA239.md): Mooney M20R · Watertown, WI · Accident · 2 fatal · Class 3 · Field · Final report · Jun 14, 2023 · N1025C · Destroyed
  > The 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.
- [NTSB CEN23LA236](https://openairdocs.org/ntsb/CEN23LA236.md): Cessna 180G · Stevens Point, WI · Accident · No injuries · Class 4 · Limited · Final report · Jun 8, 2023 · N223WH · Substantial damage
  > The pilot’s failure to maintain directional control during landing that resulted in a ground loop and impact with the runway.
- [NTSB CEN23LA229](https://openairdocs.org/ntsb/CEN23LA229.md): Piper J3C-65 · Salem, WI · Accident · Minor injuries · Class 4 · Limited · Final report · Jun 5, 2023 · N42220 · Substantial damage
  > The pilot’s improper landing flare, which resulted in a hard landing and the left main landing gear collapse.
- [NTSB CEN23LA209](https://openairdocs.org/ntsb/CEN23LA209.md): Kolb Firestar SS · Lodi, WI · Accident · No injuries · Class 4 · Limited · Final report · May 29, 2023 · N994TA · Substantial damage
  > The pilot’s failure to maintain control during takeoff.
- [NTSB CEN23LA104](https://openairdocs.org/ntsb/CEN23LA104.md): Cirrus Design SF50 · Waukesha, WI · Accident · No injuries · Class 4 · Limited · Final report · Feb 8, 2023 · N426SJ · Substantial damage
  > The pilot’s failure to maintain aircraft control during landing. Contributing to the accident was the pilot’s inadequate preflight inspection removal of the angle of attack vane cover.
- [NTSB CEN23LA133](https://openairdocs.org/ntsb/CEN23LA133.md): Beech F33A · Hilbert, WI · Accident · No injuries · Class 4 · Limited · Final report · Feb 6, 2023 · N1074W · Substantial damage
  > The pilot’s inadequate fuel management, which resulted in a total loss of engine power due to fuel starvation.
- [NTSB CEN23LA099](https://openairdocs.org/ntsb/CEN23LA099.md): Piper PA-28-160 · Eau Claire, WI · Accident · No injuries · Class 3 · Limited · Final report · Feb 5, 2023 · N9770J · Destroyed
  > The engine fire that began for undetermined reasons following numerous engine start attempts.
- [NTSB CEN23LA098](https://openairdocs.org/ntsb/CEN23LA098.md): Cessna 120 · Eagle River, WI · Accident · No injuries · Class 4 · Limited · Final report · Jan 25, 2023 · N73034 · Substantial damage
  > The pilot’s decision to takeoff from an unsuitable surface which resulted in collision with an object.

## The whole list in SQL

Runs in DuckDB 1.2 or later on the release's Parquet files over HTTPS:

```sql
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 year(c."eventDate") = 2023
  AND c."eventStateOrRegion" = 'WI' AND c."eventCountry" = 'USA'
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?state=WI&year=2023

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OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.