# NTSB investigations, 2016, 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 CEN17LA090](https://openairdocs.org/ntsb/CEN17LA090.md): Cessna 172B · Prairie Du Sac, WI · Accident · No injuries · Limited investigation · Final report · Dec 28, 2016 · N6941X · Substantial damage
  > The pilot's decision to taxi the airplane from the roadway and his subsequent failure to maintain clearance from signs and a fence after a successful emergency landing following a total loss of engine power.
- [NTSB GAA17CA070](https://openairdocs.org/ntsb/GAA17CA070.md): Robinson Helicopter R44 · Stone Lake, WI · Accident · Minor injuries · Data collection · Final report · Nov 12, 2016 · N744JS · Substantial damage
  > The pilot’s failure to maintain lateral control while in a hover and the helicopter’s subsequent impact with a tree.
- [NTSB CEN17LA037](https://openairdocs.org/ntsb/CEN17LA037.md): Johnson Kenneth R Stol CH 801 · Royalton, WI · Accident · Minor injuries · Limited investigation · Final report · Nov 6, 2016 · N801KJ · Destroyed
  > The loss of control during approach for reasons that could not be determined due to postimpact fire damage.
- [NTSB GAA17LA090](https://openairdocs.org/ntsb/GAA17LA090.md): Piper PA28R · Watertown, WI · Accident · No injuries · Limited investigation · Final report · Nov 5, 2016 · N300KR · Substantial damage
  > The pilot’s failure to attain a proper glidepath on approach for landing, which resulted in impact with trees. Contributing to the accident was a partial, temporary loss of engine power for reasons that could not be determined because postaccident examination…
- [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 CEN16FA373](https://openairdocs.org/ntsb/CEN16FA373.md): Cessna 182 · Ephraim, WI · Accident · 2 fatal · Field investigation · Final report · Sep 19, 2016 · N2012F · Destroyed
  > The pilot's improper decision to execute a maneuvering approach at low altitude during night conditions, which resulted in controlled flight into terrain.
- [NTSB CEN16CA383](https://openairdocs.org/ntsb/CEN16CA383.md): Mooney M20D · Brodhead, WI · Accident · Minor injuries · Data collection · Final report · Sep 11, 2016 · N6919U · Substantial damage
  > The pilot's loss of airplane control during initial climb due to an excessively nose-high attitude. Contributing to the accident was the pilot's failure to properly set the elevator trim before takeoff in accordance with the Before Takeoff checklist.
- [NTSB GAA16CA476](https://openairdocs.org/ntsb/GAA16CA476.md): Luscombe 8 · Juneau, WI · Accident · No injuries · Data collection · Final report · Sep 10, 2016 · N1263K · Substantial damage
  > The pilot's failure to maintain directional control during the landing roll in gusting crosswind conditions, which resulted in a runway excursion. Contributing to the accident was the foot pad cover slipping off the right rudder pedal during the landing roll.
- [NTSB CEN16LA302](https://openairdocs.org/ntsb/CEN16LA302.md): Sonex Waiex · Fond du Lac, WI · Accident · Serious injuries · Limited investigation · Final report · Aug 3, 2016 · N12YX · Substantial damage
  > A partial loss of engine for reasons that could not be determined during an examination of the engine.
- [NTSB CEN16LA309](https://openairdocs.org/ntsb/CEN16LA309.md): Cessna 172K · Neenah, WI · Accident · No injuries · Limited investigation · Final report · Aug 2, 2016 · N46459 · Substantial damage
  > A loss of engine power due to oil starvation, which resulted from the pilot, who was not a certified airframe and powerplant mechanic, removing the vacuum pump from the engine, and his misconception that he could operate the airplane without the pump.
- [NTSB CEN16LA296](https://openairdocs.org/ntsb/CEN16LA296.md): Ryan Navion B · Manitowoc, WI · Accident · Minor injuries · Limited investigation · Final report · Jul 30, 2016 · N5294K · Substantial damage
  > A leak in the gascolator due to degraded rubber gaskets, which allowed air to enter the fuel system and resulted in fuel starvation and a total loss of engine power during takeoff.
- [NTSB CEN16LA294](https://openairdocs.org/ntsb/CEN16LA294.md): Bell 47G 2 · Oshkosh, WI · Accident · No injuries · Limited investigation · Final report · Jul 30, 2016 · N975BH · Substantial damage
  > The loosening and separation of the throttle linkage nut, which resulted in a loss of throttle control and subsequent hard landing after autorotation.
- [NTSB CEN16LA293](https://openairdocs.org/ntsb/CEN16LA293.md): Boam Larry Rans S 7 · Oshkosh, WI · Accident · No injuries · Limited investigation · Final report · Jul 30, 2016 · N6271X · Substantial damage
  > The pilot's failure to maintain airplane control on takeoff, which resulted in his remedial action to induce an aerodynamic stall and the subsequent impact with terrain.
- [NTSB CEN16FA295](https://openairdocs.org/ntsb/CEN16FA295.md): Mooney M20J · Holmen, WI · Accident · 1 fatal · Field investigation · Final report · Jul 28, 2016 · N54PM · Destroyed
  > The pilot's loss of airplane control during an instrument approach. Contributing to the accident was the pilot's lack of instrument flight proficiency.
- [NTSB CEN16FA290](https://openairdocs.org/ntsb/CEN16FA290.md): Flight Design Ctls · Fond du Lac, WI · Accident · 1 fatal · Field investigation · Final report · Jul 28, 2016 · N527TS · Substantial damage
  > Carburetor contamination following exposure to water in the fuel, which resulted in a carburetor malfunction and a partial loss of engine power. Contributing to the accident was the pilot's loss of airplane control that resulted in a stall.
- [NTSB CEN16LA283](https://openairdocs.org/ntsb/CEN16LA283.md): Bristell E-LSA · Oshkosh, WI · Accident · Serious injuries · Limited investigation · Final report · Jul 24, 2016 · N167BL · Substantial damage
  > The pilot’s exceedance of the airplane’s critical angle of attack on short final approach, which resulted in an inadvertent aerodynamic stall and subsequent loss of control. Contributing to the accident was the pilot’s distraction with other traffic in the…
- [NTSB CEN16LA288](https://openairdocs.org/ntsb/CEN16LA288.md): Cessna 208B · Baldwin, WI · Accident · No injuries · Limited investigation · Final report · Jul 21, 2016 · N7581F · Substantial damage
  > The pilot's decision to land the fully loaded parachutist drop airplane on a wet grass runway that had insufficient length for the landing in high temperature conditions, which resulted in a runway overrun, when a more suitable longer runway was available at…
- [NTSB CEN16LA274](https://openairdocs.org/ntsb/CEN16LA274.md): Chance Vought F4U 5 · East Troy, WI · Accident · No injuries · Limited investigation · Final report · Jul 19, 2016 · N179PT · Substantial damage
  > A failure of the O-ring in the left brake master cylinder for reasons that could not be determined, which resulted in a loss of directional control during landing.
- [NTSB CEN16LA273](https://openairdocs.org/ntsb/CEN16LA273.md): Brandt Sonex · Lodi, WI · Accident · No injuries · Limited investigation · Final report · Jul 19, 2016 · N393SX · Substantial damage
  > The separated rocker arm assembly for undetermined reasons, which resulted in the partial loss of engine power and led to the landing gear collapsing during the subsequent forced landing.
- [NTSB CEN16CA258](https://openairdocs.org/ntsb/CEN16CA258.md): Boyd Kenneth C Rans S-19 · Ephraim, WI · Accident · No injuries · Data collection · Final report · Jul 6, 2016 · N39KB · Substantial damage
  > The pilot's decision to continue the landing from an unstabilized approach which resulted in a loss of control and subsequent hard landing.
- [NTSB CEN16LA255](https://openairdocs.org/ntsb/CEN16LA255.md): Piper PA 25-235 · Arlington, WI · Accident · Minor injuries · Limited investigation · Final report · Jul 3, 2016 · N6803Z · Substantial damage
  > The pilot’s failure to establish proper airspeed and angle-of-attack during takeoff with the airplane at its maximum gross weight in elevated density altitude and gusting tailwind conditions, which resulted in an aerodynamic stall.
- [NTSB GAA16CA322](https://openairdocs.org/ntsb/GAA16CA322.md): Marks Steven Challenger · Marion, WI · Accident · Serious injuries · Data collection · Final report · Jun 18, 2016 · N7058U · Substantial damage
  > The failure of the airplane engine drive belt during the takeoff, resulting in a forced landing and impact with terrain.
- [NTSB GAA16CA323](https://openairdocs.org/ntsb/GAA16CA323.md): Mooney M20 · Reedsburg, WI · Accident · Minor injuries · Data collection · Final report · Jun 17, 2016 · N9139U · Substantial damage
  > The pilot's long landing and failure to stop the airplane on the runway, resulting in an overrun, impact with a fence, and substantial damage to the airplane.
- [NTSB GAA16CA292](https://openairdocs.org/ntsb/GAA16CA292.md): Aeronca 7BCM · Rochester, WI · Accident · No injuries · Data collection · Final report · Jun 8, 2016 · N1127N · Substantial damage
  > The pilot's failure to maintain directional control during the landing, which resulted in a runway excursion, left main landing gear collapse, and a nose down. Contributing to the accident was the wind shift.
- [NTSB CEN16LA206](https://openairdocs.org/ntsb/CEN16LA206.md): Beech A23-24 · Clintonville, WI · Accident · No injuries · Limited investigation · Final report · May 30, 2016 · N5771V · Substantial damage
  > The pilot’s failure to maintain the proper glidepath during the night visual approach, which resulted in impact with a runway threshold light, and his improper landing flare, which resulted in a hard landing. Contributing to the accident was the pilot's…
- [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 CEN16LA097](https://openairdocs.org/ntsb/CEN16LA097.md): Piper PA 28-140 · Sturtevant, WI · Accident · No injuries · Limited investigation · Final report · Feb 1, 2016 · N1572J · Substantial damage
  > The pilot's failure to maintain a proper glidepath during a landing at dusk, which resulted in impact with a moving ground vehicle. Contributing to the accident was the inoperative precision approach path indicator.

## 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") = 2016
  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=2016

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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.
