# NTSB investigations, 2017, 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 GAA18CA058](https://openairdocs.org/ntsb/GAA18CA058.md): Cessna 182 · Black River Falls, WI · Accident · No injuries · Data collection · Final report · Nov 27, 2017 · N8128M · Substantial damage
  > The student pilot’s failure to maintain lateral control of the high-performance airplane during the go-around in crosswind conditions.
- [NTSB CEN18LA038](https://openairdocs.org/ntsb/CEN18LA038.md): Piper / Laudeman J3C 65 · Palmyra, WI · Accident · Serious injuries · Limited investigation · Final report · Nov 26, 2017 · N11188 · Substantial damage
  > The pilot’s inadvertent pulling of the fuel shutoff valve, which resulted in a total loss of engine power and a subsequent forced landing into trees. Contributing to the pilot’s inadvertent pulling of the fuel shutoff valve were habit patterns he had…
- [NTSB GAA18CA005](https://openairdocs.org/ntsb/GAA18CA005.md): Cessna 172 · Black River Falls, WI · Accident · No injuries · Data collection · Final report · Oct 8, 2017 · N9664Q · Substantial damage
  > The pilot’s failure to maintain directional control during landing in gusting crosswind conditions.
- [NTSB CEN17LA344](https://openairdocs.org/ntsb/CEN17LA344.md): Aviat A 1B · Prairie du Chien, WI · Accident · No injuries · Limited investigation · Final report · Sep 9, 2017 · N299CA · Substantial damage
  > The fatigue failure of the aileron hinge bracket tubing for reasons that could not be determined based on the available evidence.
- [NTSB GAA17CA523](https://openairdocs.org/ntsb/GAA17CA523.md): Taylorcraft BC12 · Redgranite, WI · Accident · No injuries · Data collection · Final report · Sep 7, 2017 · N95356 · Substantial damage
  > The pilot’s failure to maintain directional control during the landing roll.
- [NTSB GAA17CA524](https://openairdocs.org/ntsb/GAA17CA524.md): Boeing A75N1(PT17) · Oshkosh, WI · Accident · Minor injuries · Data collection · Final report · Sep 3, 2017 · N52813 · Substantial damage
  > The pilot’s overapplication of the brakes, which resulted in the biplane coming to rest inverted.
- [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 CEN17LA307](https://openairdocs.org/ntsb/CEN17LA307.md): Pegasus Quantum · Fort Atkinson, WI · Accident · 2 fatal · Limited investigation · Final report · Aug 9, 2017 · N56092 · Substantial damage
  > The student pilot's failure to maintain aircraft control during a go-around, which resulted in impact with water. Contributing to the accident was the non-instructor sport pilot's decision to allow the student pilot to fly the aircraft.
- [NTSB GAA17CA451](https://openairdocs.org/ntsb/GAA17CA451.md): Mark Goldberg Bearhawk Patrol · Oshkosh, WI · Accident · No injuries · Data collection · Final report · Jul 28, 2017 · N410BP · Substantial damage
  > The pilot's failure to maintain directional control during the landing roll in crosswind conditions, which resulted in a ground loop.
- [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 GAA17CA420](https://openairdocs.org/ntsb/GAA17CA420.md): Costruzioni Aeronautiche Tecna P2008 · Lone Rock, WI · Accident · No injuries · Data collection · Final report · Jul 18, 2017 · N445X · Substantial damage
  > The student pilot’s improper landing flare, which resulted in a bounced landing and subsequent loss of directional control and runway excursion during the aborted landing. Contributing to the improper landing flare was the student’s distraction by a deer…
- [NTSB GAA17CA412](https://openairdocs.org/ntsb/GAA17CA412.md): Mooney M20C · Washington Island, WI · Accident · No injuries · Data collection · Final report · Jul 15, 2017 · N9303V · Substantial damage
  > The pilot's failure to maintain a proper approach path, which resulted in impact with trees.
- [NTSB CEN17FA248](https://openairdocs.org/ntsb/CEN17FA248.md): Cessna 421C · Catawba, WI · Accident · 6 fatal · Field investigation · Final report · Jul 1, 2017 · N2655B · Destroyed
  > A loss of control and subsequent in-flight breakup for reasons that could not be determined based on the available information.
- [NTSB CEN17FA231](https://openairdocs.org/ntsb/CEN17FA231.md): Gefa-Flug AS-105-GD · Hartford, WI · Accident · Serious injuries · Field investigation · Final report · Jun 15, 2017 · G-SUNA · Destroyed
  > The overpressurization failure of the airship envelope as a result of the airship's encounter with gusty wind conditions and thermal activity. Contributing to the accident was the jammed Plexiglass venting panel.
- [NTSB CEN17LA224](https://openairdocs.org/ntsb/CEN17LA224.md): Mckenna SD-1A · Juneau, WI · Accident · No injuries · Limited investigation · Final report · Jun 7, 2017 · N31313 · Substantial damage
  > The pilot’s difficulty controlling the airplane due to his incorrect reinstallation of the wings, which led to a bounced precautionary landing. Contributing to the accident was the failure of the pilot and the mechanic to verify the wings’ angle of incidence.
- [NTSB CEN17LA210](https://openairdocs.org/ntsb/CEN17LA210.md): Robinson Helicopter R22 · Kenosha, WI · Accident · Serious injuries · Limited investigation · Final report · Jun 4, 2017 · N601HA · Substantial damage
  > The pilot's loss of helicopter control during landing to a dolly.
- [NTSB CEN17LA204](https://openairdocs.org/ntsb/CEN17LA204.md): Aviat A-1B · Tomahawk Lake, WI · Accident · Minor injuries · Limited investigation · Final report · May 26, 2017 · N71JA · Substantial damage
  > The pilot's failure to maintain a proper approach path, which resulted in the airplane’s hard landing and nose over after the water landing.
- [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 GAA17CA278](https://openairdocs.org/ntsb/GAA17CA278.md): Reims Cessna FR172 · De Pere, WI · Accident · Minor injuries · Data collection · Final report · May 13, 2017 · N42588 · Substantial damage
  > The pilot’s failure to maintain directional control during takeoff with a tailwind.
- [NTSB GAA17CA244](https://openairdocs.org/ntsb/GAA17CA244.md): Beech 99 · Waukesha, WI · Accident · No injuries · Data collection · Final report · Apr 24, 2017 · N899CZ · Substantial damage
  > An in-flight collision with a bird during the approach.
- [NTSB GAA17CA224](https://openairdocs.org/ntsb/GAA17CA224.md): Stinson 108 · Woodruff, WI · Accident · No injuries · Data collection · Final report · Apr 7, 2017 · N9363K · Substantial damage
  > The pilot receiving instruction's incorrect brake usage and failure to maintain directional control during the landing roll.
- [NTSB CEN17CA114](https://openairdocs.org/ntsb/CEN17CA114.md): Cessna 340A · Waukesha, WI · Accident · No injuries · Data collection · Final report · Feb 25, 2017 · N255BC · Substantial damage
  > The pilot’s decision to fly in in conditions conducive to structural icing and her subsequent failure to maintain airplane control during the instrument approach.
- [NTSB CEN17LA076](https://openairdocs.org/ntsb/CEN17LA076.md): Cessna 182T · Green Bay, WI · Accident · No injuries · Limited investigation · Final report · Jan 11, 2017 · C-GTBI · Substantial damage
  > The airplane’s encounter with unforecast icing conditions, which led to structural icing that obscured the pilot’s vision, an aerodynamic stall, and a subsequent hard landing.
- [NTSB CEN17FA067](https://openairdocs.org/ntsb/CEN17FA067.md): Demmer BD-4 · Brookfield, WI · Accident · 1 fatal · Field investigation · Final report · Jan 4, 2017 · N311SD · Substantial damage
  > The pilot's failure to abort the takeoff when he was not able to maintain directional control in the strong crosswind conditions.

## 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") = 2017
  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=2017

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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.