# NTSB investigations, 2018, 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 CEN19TA075](https://openairdocs.org/ntsb/CEN19TA075.md): MBB BK117 · Strum, WI · Accident · Minor injuries · Final report · Dec 25, 2018 · N145EC · Substantial damage
  > The pilot's failure to maintain clearance from the fire truck.
- [NTSB CEN19LA045](https://openairdocs.org/ntsb/CEN19LA045.md): Brandt Sonex · Lodi, WI · Accident · Serious injuries · Limited investigation · Final report · Dec 15, 2018 · N393SX · Substantial damage
  > The pilot's failure to maintain proper alignment with the runway during final approach, which resulted in impact with a tree.
- [NTSB GAA19CA096](https://openairdocs.org/ntsb/GAA19CA096.md): Beech 36 · Hartford, WI · Accident · No injuries · Data collection · Final report · Dec 12, 2018 · N6650M · Substantial damage
  > The pilot's exceedance of the airplane's critical angle of attack, which resulted in an aerodynamic stall and impact with terrain during landing in icing conditions.
- [NTSB GAA19CA074](https://openairdocs.org/ntsb/GAA19CA074.md): Cirrus SR22 · Sand Creek, WI · Accident · No injuries · Data collection · Final report · Nov 21, 2018 · N579CP · Substantial damage
  > The mechanic's failure to properly secure the air reference line, which resulted in a loss of engine power.
- [NTSB CEN19FA018](https://openairdocs.org/ntsb/CEN19FA018.md): Eurocopter AS350 · Odanah, WI · Accident · 1 fatal · Field investigation · Final report · Oct 29, 2018 · N910S · Destroyed
  > The pilot's loss of helicopter control for undetermined reasons.
- [NTSB GAA18CA546](https://openairdocs.org/ntsb/GAA18CA546.md): Piper PA28 · De Pere, WI · Accident · No injuries · Data collection · Final report · Sep 7, 2018 · N7595R · Substantial damage
  > The pilot's improper decision not to abort the takeoff after the airplane encountered standing water on the runway, which decreased its speed and led to its subsequent inability to climb and resulted in a runway overrun.
- [NTSB CEN18LA361](https://openairdocs.org/ntsb/CEN18LA361.md): Beech 55 · Waupaca, WI · Accident · Serious injuries · Class 3 · Limited · Final report · Sep 1, 2018 · N10DS · Substantial damage
  > The total loss of engine power due to fuel exhaustion.
- [NTSB CEN18LA360](https://openairdocs.org/ntsb/CEN18LA360.md): Stearman A75N1(PT17) · Kenosha, WI · Accident · No injuries · Limited investigation · Final report · Aug 31, 2018 · N64604 · Substantial damage
  > The failed retaining bolt and cracked backing plate, which resulted in a shift of the brake lining to contact the brake drum and a subsequent wheel lock when the brakes were applied.
- [NTSB GAA18CA490](https://openairdocs.org/ntsb/GAA18CA490.md): Cessna 172 · DePere, WI · Accident · Serious injuries · Data collection · Final report · Aug 14, 2018 · N1085U · Substantial damage
  > The pilot’s failure to maintain lateral control and his subsequent failure to maintain the runway heading during an attempted go-around, which resulted in impact with trees.
- [NTSB CEN18TA296](https://openairdocs.org/ntsb/CEN18TA296.md): Fisher Dakato Hawk · Oshkosh, WI · Accident · No injuries · Final report · Jul 26, 2018 · N677TS · Substantial damage
  > The failure of the left main landing gear for reasons that could not be determined, which resulted in a loss of directional control during the ground roll.
- [NTSB CEN18CA293](https://openairdocs.org/ntsb/CEN18CA293.md): Just JA30 Superstol · Oshkosh, WI · Accident · Minor injuries · Data collection · Final report · Jul 24, 2018 · N45FT · Substantial damage
  > The pilot's failure to maintain adequate airspeed during the initial climb and his exceedance of the airplane's critical angle of attack, which resulted in an aerodynamic stall.
- [NTSB CEN18CA291](https://openairdocs.org/ntsb/CEN18CA291.md): Quad City Challenger · Oshkosh, WI · Accident · No injuries · Data collection · Final report · Jul 23, 2018 · N1666R · Substantial damage
  > The pilot’s failure to maintain adequate airspeed during the base to final turn and his exceedance of the airplane’s critical angle of attack, which resulted in an aerodynamic stall.
- [NTSB WPR18FA200](https://openairdocs.org/ntsb/WPR18FA200.md): De Havilland DH112 Venom · Sheboygan, WI · Accident · 1 fatal · Field investigation · Final report · Jul 20, 2018 · N747J · Destroyed
  > The airplane's encounter with wake turbulence from the lead airplane in the formation flight, which resulted in a compressor stall and the airplane's subsequent inability to climb.
- [NTSB GAA18CA432](https://openairdocs.org/ntsb/GAA18CA432.md): Piper PA28 · Oregon, WI · Accident · No injuries · Data collection · Final report · Jul 19, 2018 · N9267H · Substantial damage
  > The pilot's improper decision to take off with a known brake malfunction, which resulted in a collision with a barn during landing on a wet runway.
- [NTSB GAA18CA400](https://openairdocs.org/ntsb/GAA18CA400.md): Champion 8GCBC · Waunakee, WI · Accident · No injuries · Data collection · Final report · Jul 6, 2018 · N114JM · Substantial damage
  > The pilot’s failure to maintain clearance from tall corn along the edge of the airstrip during takeoff.
- [NTSB CEN18FA216](https://openairdocs.org/ntsb/CEN18FA216.md): Cessna T182T · Monroe, WI · Accident · 4 fatal · Field investigation · Final report · Jun 10, 2018 · N1880B · Destroyed
  > Spatial disorientation resulting in a loss of control during the missed approach conducted in instrument meteorological conditions. Contributing to the accident was the pilot's decision to execute an instrument approach in weather conditions that were below…
- [NTSB CEN18FA215](https://openairdocs.org/ntsb/CEN18FA215.md): Robinson Helicopter R44 · Oshkosh, WI · Accident · 1 fatal · Field investigation · Final report · Jun 9, 2018 · N529DW · Substantial damage
  > The pilot's decision to fly over the river at a low altitude and his failure to maintain clearance with wires during low-level flight.
- [NTSB GAA18CA329](https://openairdocs.org/ntsb/GAA18CA329.md): Dobbs George Coot · Malone, WI · Accident · No injuries · Data collection · Final report · Jun 7, 2018 · N100TN · Substantial damage
  > The pilot’s improper decision to take off with a known structural issue, which resulted in hull damage.
- [NTSB CEN18LA200](https://openairdocs.org/ntsb/CEN18LA200.md): Irlbeck Thomas H RV 8 · Somerset, WI · Accident · No injuries · Class 3 · Limited · Final report · May 29, 2018 · N214FF · Substantial damage
  > A total loss of engine power due to damaged and disconnected electronic ignition wires from both the main and backup batteries, which resulted in a forced landing.
- [NTSB CEN18LA159](https://openairdocs.org/ntsb/CEN18LA159.md): Beech A36 · Shullsburg, WI · Accident · No injuries · Limited investigation · Final report · May 5, 2018 · N36LP · Substantial damage
  > A catastrophic engine failure due to improper torque on the engine through-bolt nuts, which resulted in relative movement between the crankcase halves, damage to a main journal bearing, and a loss of oil lubrication.
- [NTSB CEN18LA158](https://openairdocs.org/ntsb/CEN18LA158.md): Robinson Helicopter R44 · East Troy, WI · Accident · No injuries · Class 3 · Limited · Final report · May 4, 2018 · N444VH · Substantial damage
  > A partial loss of engine power for reasons that could not be determined based on the available information, which resulted in impact with terrain and dynamic rollover during the subsequent attempted landing.
- [NTSB CEN18FA149](https://openairdocs.org/ntsb/CEN18FA149.md): Eurocopter AS 350 B2 · Hazelhurst, WI · Accident · 3 fatal · Field investigation · Final report · Apr 27, 2018 · N127LN · Destroyed
  > The pilot's loss of helicopter control as a result of fatigue during cruise flight at night.
- [NTSB GAA18CA221](https://openairdocs.org/ntsb/GAA18CA221.md): Cessna 120 · Iola, WI · Accident · No injuries · Data collection · Final report · Apr 21, 2018 · N1807V · Substantial damage
  > The pilot’s decision to reject the takeoff from a snow-covered grass surface, which resulted in a nose-over.
- [NTSB GAA18CA171](https://openairdocs.org/ntsb/GAA18CA171.md): Beech 76 · Oshkosh, WI · Accident · No injuries · Data collection · Final report · Mar 9, 2018 · N969RA · Substantial damage
  > The pilot’s failure to extend the landing gear and the flight instructor’s failure to ensure that the landing gear were extended during landing. Contributing to the accident were the pilot’s and the instructor’s improper use of checklist.
- [NTSB CEN18LA121](https://openairdocs.org/ntsb/CEN18LA121.md): Hughes 369D · Blair, WI · Accident · Serious injuries · Limited investigation · Final report · Mar 7, 2018 · N499SL · No damage
  > The pilot’s failure to recognize and compensate for hazards during the external load operation, which led to a collision between a lineman (external load) and a powerline.
- [NTSB CEN18LA115](https://openairdocs.org/ntsb/CEN18LA115.md): Messerschmitt-Bolkow-Blohm BK 117 B-2 · Sheboygan, WI · Accident · No injuries · Limited investigation · Final report · Mar 5, 2018 · N1174U · Substantial damage
  > The restricted cyclic control movement for reasons that could not be determined because postaccident examination and testing of the cyclic control system did not reveal any evidence of mechanical malfunctions or failures that would have precluded normal…

## 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") = 2018
  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=2018

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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.