# NTSB investigations, 2016, WI: Loss of control in flight

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 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 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 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 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 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 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…

## 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'
  AND c."mKey" IN (SELECT s.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' s WHERE s."tier2Number" = '240' 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/240/sequence?state=WI&year=2016

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