# NTSB investigations, WI: Preflight or dispatch event

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 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 CEN22LA353](https://openairdocs.org/ntsb/CEN22LA353.md): Sonex Sonex · River Falls, WI · Accident · Serious injuries · Class 3 · Limited · Final report · Jul 29, 2022 · N1557S · Substantial damage
  > The pilot’s improper fuel planning, which resulted in a total loss of engine power due to fuel exhaustion.
- [NTSB CEN22LA302](https://openairdocs.org/ntsb/CEN22LA302.md): Pitts S1 · Sturgeon Bay, WI · Accident · Minor injuries · Class 4 · Limited · Final report · Jul 1, 2022 · N23RS · Substantial damage
  > The pilot’s failure to maintain airplane control during landing, which resulted in a runway excursion and nose over. Contributing to the accident was the pilot’s inadequate preflight inspection and the pilot’s lack of flight control system knowledge.
- [NTSB CEN17FA287](https://openairdocs.org/ntsb/CEN17FA287.md): Aerofab Lake LA 4 250 · Oshkosh, WI · Accident · 2 fatal · Field investigation · Final report · Jul 28, 2017 · N1400P · Substantial damage
  > The pilot's failure to properly configure the airplane for takeoff and his decision to takeoff with a tailwind in unfavorable water conditions, which resulted in the airplane entering an aerodynamic stall and the pilot losing control.
- [NTSB GAA15CA177](https://openairdocs.org/ntsb/GAA15CA177.md): Centrair 101A · Hartford, WI · Accident · Minor injuries · Data collection · Final report · Jul 3, 2015 · N39KG · Substantial damage
  > The glider pilot's failure to connect the elevator to the elevator control rod during the assembly process, resulting in a loss of control, and a collision with terrain during takeoff.
- [NTSB CEN11LA085](https://openairdocs.org/ntsb/CEN11LA085.md): Embraer EMB-135LR · Milwaukee, WI · Accident · Serious injuries · Limited investigation · Final report · Nov 30, 2010 · N12530 · No damage
  > An in-flight encounter with turbulence during cruise flight, which resulted in a serious injury to a flight attendant.
- [NTSB CEN10CA283](https://openairdocs.org/ntsb/CEN10CA283.md): Cessna 182A · Franksville, WI · Accident · No injuries · Data collection · Final report · Jun 2, 2010 · N4974D · Substantial damage
  > The pilot’s inadequate preflight inspection and delay in aborting the takeoff.
- [NTSB CEN09CA477](https://openairdocs.org/ntsb/CEN09CA477.md): Cessna A185F · River Falls, WI · Accident · No injuries · Data collection · Final report · Jul 30, 2009 · N989DM · Substantial damage
  > The pilot not checking the security of the fuel caps prior to flight leading to fuel exhaustion and the subsequent non-mechanical loss of engine power during descent.

## 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 c."eventStateOrRegion" = 'WI' AND c."eventCountry" = 'USA'
  AND c."mKey" IN (SELECT s.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' s WHERE s."tier2Number" = '030' AND s.case_mkey IN (SELECT case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' WHERE "isDefiningEvent"))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb-events/030/sequence?state=WI

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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.