# NTSB investigations, 2020, 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 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 CEN21LA012](https://openairdocs.org/ntsb/CEN21LA012.md): Kjostad Jorgen A Wagabond · New Richmond, WI · Accident · Minor injuries · Class 4 · Limited · Final report · Oct 7, 2020 · N744K · Substantial damage
  > The pilot's failure to maintain directional control on landing, which resulted in a runway excursion and subsequent nose-over. Contributing was the pilot’s lack of experience in the accident airplane.
- [NTSB CEN20LA436](https://openairdocs.org/ntsb/CEN20LA436.md): Piper J3 · Hartford, WI · Accident · No injuries · Class 4 · Limited · Final report · Aug 30, 2020 · N88204 · Substantial damage
  > The pilot’s loss of situation awareness which resulted in landing in a grass area and the subsequent collision with a runway marker.
- [NTSB CEN20LA329](https://openairdocs.org/ntsb/CEN20LA329.md): Piper PA22 · Burlington, WI · Accident · Serious injuries · Class 3 · Limited · Final report · Aug 9, 2020 · N6849B · Substantial damage
  > A partial loss of engine power due to the formation of carburetor ice while on the ground, which resulted in reduced climb capability and impact with trees during the initial climb.
- [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 CEN20CA317](https://openairdocs.org/ntsb/CEN20CA317.md): Cessna 120 · Osceola, WI · Accident · No injuries · Class 4 · Data collection · Final report · Jul 17, 2020 · N1926N · Substantial damage
  > The pilots did not maintain directional control of the airplane during landing.
- [NTSB CEN20CA275](https://openairdocs.org/ntsb/CEN20CA275.md): Condor Condor · Freedom, WI · Accident · No injuries · Class 4 · Data collection · Final report · Jul 5, 2020 · N3502X · Substantial damage
  > The pilot's failure to initiate a climb in a timely manner which resulted in contact with wires.
- [NTSB WPR20CA208](https://openairdocs.org/ntsb/WPR20CA208.md): Mooney M20E · Neenah, WI · Accident · No injuries · Class 4 · Data collection · Final report · Jul 4, 2020 · N3440X · Substantial damage
  > The pilot's improper landing flare, which resulted in a bounced, hard landing and subsequent runway overrun.
- [NTSB CEN20CA257](https://openairdocs.org/ntsb/CEN20CA257.md): Cessna 172 · Reedsburg, WI · Accident · No injuries · Class 4 · Data collection · Final report · Jun 12, 2020 · N738VY · Substantial damage
  > The student pilot's improper landing flare, which resulted a hard, bounced landing.
- [NTSB CEN20CA217](https://openairdocs.org/ntsb/CEN20CA217.md): Airborne XT912 · Bristol, WI · Accident · Minor injuries · Class 4 · Data collection · Final report · Jun 7, 2020 · N88ZT · Substantial damage
  > The pilot's incorrect flight control input during the landing flare, which resulted in an impact with the ground.
- [NTSB CEN20CA194](https://openairdocs.org/ntsb/CEN20CA194.md): Cessna 140 · Appleton, WI · Accident · No injuries · Class 4 · Data collection · Final report · May 26, 2020 · N90023 · Substantial damage
  > The pilot's loss of control while landing a tailwheel airplane.
- [NTSB CEN20LA179](https://openairdocs.org/ntsb/CEN20LA179.md): Cessna P210 · Burlington, WI · Accident · 1 fatal · Class 3 · Limited · Final report · May 15, 2020 · N1JA · Substantial damage
  > The pilot did not maintain a safe altitude during the visual approach, and subsequently lost control which resulted an impact with trees and terrain.
- [NTSB CEN20CA119](https://openairdocs.org/ntsb/CEN20CA119.md): Cessna 208 · Rhinelander, WI · Accident · Serious injuries · Data collection · Final report · Mar 5, 2020 · N706FX · Substantial damage
  > The pilot's improper decision to continue an instrument approach to landing following a loss of visual reference with the runway, which resulted in the airplane touching down left of the runway in snow and flipping over.
- [NTSB CEN20LA125](https://openairdocs.org/ntsb/CEN20LA125.md): Mitsubishi MU 2B-40 · Chilton, WI · Accident · No injuries · Class 3 · Limited · Final report · Jan 29, 2020 · N425GZ · Substantial damage
  > The pilot's decision to land on the turf runway with insufficient landing performance and his subsequent loss of control during the landing roll.

## 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") = 2020
  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=2020

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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.