# NTSB investigations, 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.

Page 12 of 61 · 3,022 cases

## Cases, newest first

- [NTSB CHI05LA200](https://openairdocs.org/ntsb/CHI05LA200.md): Vans RV-9A · Neenah, WI · Accident · Minor injuries · Limited investigation · Final report · Jul 27, 2005 · N219CC · Substantial damage
  > The pilot failed to maintain sufficient airspeed on final approach to avoid a stall, resulting in an inadvertent stall and uncontrolled descent to the terrain.
- [NTSB CHI05FA199](https://openairdocs.org/ntsb/CHI05FA199.md): Glasair GS-2 · Wautoma, WI · Accident · 1 fatal · Field investigation · Final report · Jul 27, 2005 · N105TW · Destroyed
  > the abrupt maneuver that was performed while failing to maintain airpeed, resulting in a stall, and uncontrolled impact with the ground without sufficient altitude to recover.
- [NTSB CHI05FA197](https://openairdocs.org/ntsb/CHI05FA197.md): North American F-51D · Malone, WI · Accident · 1 fatal · Field investigation · Final report · Jul 26, 2005 · N6327T · Destroyed
  > The pilot not maintaining aircraft control and clearance from terrain for undetermined reasons during a low level maneuver.
- [NTSB CHI05CA196](https://openairdocs.org/ntsb/CHI05CA196.md): Simmons GP-4 · Oshkosh, WI · Accident · No injuries · Data collection · Final report · Jul 24, 2005 · N619BS · Substantial damage
  > The pilot's failure to maintain airspeed sufficient enough to compensate for the gusty crosswind condition and prevent a stall during the landing flare. A factor associated with the accident was the gusting crosswind condition.
- [NTSB CHI05FA194](https://openairdocs.org/ntsb/CHI05FA194.md): Cessna 172P · Jackson, WI · Accident · 1 fatal · Field investigation · Final report · Jul 20, 2005 · N65875 · Destroyed
  > The pilot not maintaining aircraft control for undetermined reasons while maneuvering.
- [NTSB CHI05CA184](https://openairdocs.org/ntsb/CHI05CA184.md): Hirsch RV-6A · Oshkosh, WI · Accident · Minor injuries · Data collection · Final report · Jul 14, 2005 · N125WH · Substantial damage
  > The pilot's failure to maintain directional control during the takeoff. Contributing factors were the uneven (rough) runway surface and the fence.
- [NTSB CHI05CA167](https://openairdocs.org/ntsb/CHI05CA167.md): Taylorcraft BC12-D · Palmyra, WI · Accident · No injuries · Data collection · Final report · Jul 2, 2005 · N95145 · Substantial damage
  > Loss of directional control by the dual student and delayed remedial action by the flight instructor resulting in the airplane nosing over.
- [NTSB CHI05CA146](https://openairdocs.org/ntsb/CHI05CA146.md): Cessna 172N · Madison, WI · Accident · No injuries · Data collection · Final report · Jun 13, 2005 · N6454J · Substantial damage
  > The pilot's improper pre-flight which resulted in the control lock not being removed and his subsequent inability to control the airplane. The unmarked control lock and the FBO's failure to replace the unmarked control lock were factors in the accident.
- [NTSB CHI05LA129](https://openairdocs.org/ntsb/CHI05LA129.md): Cessna 210B · Friendship, WI · Accident · No injuries · Limited investigation · Final report · May 30, 2005 · N9623X · Substantial damage
  > The loss of engine power for an undetermined reason. Contributing factors to the accident were the trees and the dark night light condition.
- [NTSB CHI05LA130](https://openairdocs.org/ntsb/CHI05LA130.md): Pilatus PC-6 · Sturtevant, WI · Accident · Minor injuries · Limited investigation · Final report · May 26, 2005 · N346F · Substantial damage
  > Failure of the jump plane pilot to maintain clearance from the parachutist descent area/drop zone until assured that all jumpers had landed, and the parachutist's failure to maintain an adequate visual lookout for the jump plane during all phases of the jump.…
- [NTSB CHI05CA123](https://openairdocs.org/ntsb/CHI05CA123.md): Cessna C-172M · Madison, WI · Accident · No injuries · Data collection · Final report · May 22, 2005 · N13558 · Substantial damage
  > The pilot's inadequate compensation for the wind conditions and his failure to maintain directional control. Factors were the gusty winds and the soft ground.
- [NTSB CHI05CA119](https://openairdocs.org/ntsb/CHI05CA119.md): Schweizer SGS 2-33A · Beloit, WI · Accident · No injuries · Data collection · Final report · May 21, 2005 · N65855 · Substantial damage
  > The pilot's misjudgment of distance/altitude which resulted in an undershoot of the runway and collision with trees.
- [NTSB CHI05FA180](https://openairdocs.org/ntsb/CHI05FA180.md): Piper PA-28-181 · Lake Michigan, WI · Accident · 1 fatal · Field investigation · Final report · Apr 26, 2005 · N5360F · Substantial damage
  > The pilot's inaccurate preflight planning and his delayed en route decision to make a fuel stop, which resulted in the loss of engine power due to fuel exhaustion and subsequent ditching.
- [NTSB CHI05LA091](https://openairdocs.org/ntsb/CHI05LA091.md): Aeronca 7AC · Wautoma, WI · Accident · Serious injuries · Limited investigation · Final report · Apr 8, 2005 · N82051 · Substantial damage
  > The inadvertent stall and low airspeed by the pilot-in-command while maneuvering. Additional causes were the low altitude when the stall occurred and excessive takeoff weight by the pilot-in-command.
- [NTSB CHI05LA086](https://openairdocs.org/ntsb/CHI05LA086.md): Piper PA-28-151 · Waunakee, WI · Accident · No injuries · Limited investigation · Final report · Apr 3, 2005 · N56715 · Destroyed
  > The pilot's inadequate preflight planning and the delay in aborting the landing which resulted in the subsequent insufficient airspeed. Factors associated with the accident were the night light conditions, the fence, and the pole which the airplane contacted.
- [NTSB CHI05FA077](https://openairdocs.org/ntsb/CHI05FA077.md): Bombardier CL-600-2B19 · Milwaukee, WI · Accident · No injuries · Field investigation · Final report · Mar 12, 2005 · N8932C · Substantial damage
  > the captain's failure to adequately compensate for the crosswind conditions, and his failure to maintain directional control during landing. Contributing factors include the captain's failure to land at the nearest suitable airport after an in-flight…
- [NTSB CHI05CA075](https://openairdocs.org/ntsb/CHI05CA075.md): Cessna 172K · Portage, WI · Accident · Serious injuries · Data collection · Final report · Feb 26, 2005 · N7325G · Substantial damage
  > The pilot's failure to maintain adequate airspeed during the aborted landing, which resulted in an inadvertent stall at a low altitude. Factors to the accident were the pilot's lack of experience flying from the right pilot station and his failure to maintain…
- [NTSB CHI05LA067](https://openairdocs.org/ntsb/CHI05LA067.md): Cessna 152 · Sturtevant, WI · Accident · No injuries · Limited investigation · Final report · Feb 3, 2005 · N68714 · Substantial damage
  > The pilot's failure to identify the electrical system failure and to maintain adequate airspeed during the landing approach. Factors associated with the accident were the electrical system failure, the snow covered terrain, and the pilot's lack of experience.
- [NTSB CHI05CA052](https://openairdocs.org/ntsb/CHI05CA052.md): Piper PA-32R-300 · Cumberland, WI · Accident · Minor injuries · Data collection · Final report · Jan 12, 2005 · N427KP · Substantial damage
  > The pilot could not maintain altitude or airspeed due to airframe icing as a result of the pilot flying into known adverse weather and failing to comply with the airplane's icing limitation. Factors included the icing conditions and the ice accumulation on…
- [NTSB CHI05FA048](https://openairdocs.org/ntsb/CHI05FA048.md): Beech S35 · Herman, WI · Accident · 2 fatal · Field investigation · Final report · Dec 25, 2004 · N5631K · Substantial damage
  > The installation of the improper cylinder base packing seals by maintenance personnel resulting in the loss of lubriation and subsequent failure of the number four connecting rod/bearing. A factor associated with the accident was the trees that the airplane…
- [NTSB CHI05CA032](https://openairdocs.org/ntsb/CHI05CA032.md): Olson Sonex · Oconomowoc, WI · Accident · Serious injuries · Data collection · Final report · Nov 21, 2004 · N478SX · Substantial damage
  > The loss of engine power due to a fatigue fracture of the crankshaft. An additional cause to the accident was the pilot/builder's failure to verify the dimensions of the shrink-fit crankshaft components prior reassembling the engine. A factor to the accident…
- [NTSB CHI05LA028](https://openairdocs.org/ntsb/CHI05LA028.md): Saab-Scania 340B · Milwaukee, WI · Accident · Serious injuries · Limited investigation · Final report · Nov 14, 2004 · N305CE · No damage
  > Failure of the ramp employee to maintain clearance to the rotating propeller resulting in inadvertent contact with a propeller blade.
- [NTSB CHI05FA016](https://openairdocs.org/ntsb/CHI05FA016.md): Cessna P210N · Wautoma, WI · Accident · 2 fatal · Field investigation · Final report · Oct 26, 2004 · N5485W · Destroyed
  > The pilot not maintaining airplane control during cruise flight in instrument meteorological conditions after reporting a loss of gyros leading to his exceeding the design load limits of the wings. Factors were the clouds, the deteriorated vacuum manifold…
- [NTSB CHI05CA006](https://openairdocs.org/ntsb/CHI05CA006.md): Piper PA-28-160 · Altoona, WI · Accident · No injuries · Data collection · Final report · Oct 18, 2004 · N5520W · Substantial damage
  > The pilot's inadequate fuel management leading to the fuel starvation in the left tank during the flight's descent. A factor was the impacted power line.
- [NTSB CHI04FA290](https://openairdocs.org/ntsb/CHI04FA290.md): Beech B95A · Burlington, WI · Accident · 3 fatal · Field investigation · Final report · Sep 30, 2004 · N1703Y · Destroyed
  > The improper maintenance of the fuel servo resulting in a loose adjustment nut and subsequent failure of the fuel injection servo which led to a complete loss of power on the right engine. Other causes were the pilot's failure to obtain or maintain minimum…
- [NTSB CHI04LA265](https://openairdocs.org/ntsb/CHI04LA265.md): Kenny Mariner-MF Boat · Eagle River, WI · Accident · Serious injuries · Limited investigation · Final report · Sep 21, 2004 · N744PK · Substantial damage
  > The pilot's inability to maintain control of the aircraft during flight for undetermined reasons.
- [NTSB CHI04LA256](https://openairdocs.org/ntsb/CHI04LA256.md): Claxton S-12 · Oconomowoc, WI · Accident · 1 fatal · Limited investigation · Final report · Sep 12, 2004 · UNREG · Destroyed
  > The loss of engine power due to the seizure of the pistons and the pilot's failure to maintain airspeed which resulted in an inadvertent stall. The previous damage to the pistons due to earlier seizure occurrences was a factor.
- [NTSB CHI04LA253](https://openairdocs.org/ntsb/CHI04LA253.md): Williams Glastar GS-1 · Hayward, WI · Accident · Serious injuries · Limited investigation · Final report · Sep 10, 2004 · N501YR · Substantial damage
  > The pilot's failure to adequately compensate for the wind conditions which resulted in a loss of aircraft control. A factor associated with the accident was the gusty wind condition.
- [NTSB CHI04FA255](https://openairdocs.org/ntsb/CHI04FA255.md): Cirrus Design SR-22 · Park Falls, WI · Accident · 1 fatal · Field investigation · Final report · Sep 10, 2004 · N1223S · Destroyed
  > The flightcrew's failure to maintain airspeed which resulted in an inadvertent stall and subsequent impact with water during approach. The low altitude was a factor in the accident.
- [NTSB CHI04CA250](https://openairdocs.org/ntsb/CHI04CA250.md): Piper PA-32-301 · Crivitz, WI · Accident · No injuries · Data collection · Final report · Sep 2, 2004 · N8173J · Substantial damage
  > The proper touchdown point not attained by the pilot during landing. The road and tailwind were contributing factors.
- [NTSB CHI04LA243](https://openairdocs.org/ntsb/CHI04LA243.md): Boeing A75 · Wisconsin Rapid, WI · Accident · 1 fatal · Limited investigation · Final report · Aug 28, 2004 · N86600 · Substantial damage
  > The pilot's improper in-flight decision when he decided to fly at a low altitude over the river and failed to maintain clearance from the power lines. A factor was the wires.
- [NTSB CHI04FA223](https://openairdocs.org/ntsb/CHI04FA223.md): Cessna 172L · Webster, WI · Accident · 1 fatal · Field investigation · Final report · Aug 12, 2004 · N3599F · Destroyed
  > The high velocity impact with terrain for undetermined reasons.
- [NTSB CHI04FA214](https://openairdocs.org/ntsb/CHI04FA214.md): Eurocopter France EC130 B4 · Prairie du Sac, WI · Accident · 2 fatal · Field investigation · Final report · Aug 7, 2004 · N450CM · Destroyed
  > The pilot's intentional low-level flight toward the lake and his failure to maintain clearance from the static wire on power transmission lines. Contributing factors were the separation of the Fenestron (tail rotor) assembly from the tail boom as a result of…
- [NTSB CHI04FA203](https://openairdocs.org/ntsb/CHI04FA203.md): Knoepflein Lancair Legacy 2000 · Madison, WI · Accident · 1 fatal · Field investigation · Final report · Aug 1, 2004 · N98SN · Destroyed
  > A loss of engine power due to high engine temperatures which resulted in a failure of the number three piston, the pilot's continued operation of the airplane with known high temperature problems, the pilot's poor inflight planning, and the pilot's failure to…
- [NTSB CHI04CA219](https://openairdocs.org/ntsb/CHI04CA219.md): Lake LA4-200 · Oshkosh, WI · Accident · No injuries · Data collection · Final report · Aug 1, 2004 · N1056L · Substantial damage
  > The unsuitable rough water conditions encountered during the attempted water takeoff.
- [NTSB CHI04CA211](https://openairdocs.org/ntsb/CHI04CA211.md): Stamsta Wittman Tailwind W10 · Waunakee, WI · Accident · No injuries · Data collection · Final report · Aug 1, 2004 · N917WT · Substantial damage
  > The pilot's failure to maintain proper airspeed during final approach, which resulted in the inadvertent stall/mush at a low altitude and subsequent hard landing. A factor to the accident was the pilot's unsuccessful remedial action to the encountered…
- [NTSB CHI04CA191](https://openairdocs.org/ntsb/CHI04CA191.md): Aerostar RX-7 · Wausau, WI · Accident · Serious injuries · Data collection · Final report · Jul 25, 2004 · N7144Y · No damage
  > The pilot's inability to compensation for the turbulence and wind conditions. Contributing factors were the variable winds and the turbulence.
- [NTSB CHI04CA189](https://openairdocs.org/ntsb/CHI04CA189.md): Luscombe 8A · Merrill, WI · Accident · Minor injuries · Data collection · Final report · Jul 21, 2004 · N45628 · Substantial damage
  > The dual student's failure to maintain directional control during the initial climb after takeoff and the flight instructor's delayed remedial action. A contributing factor was that all available runway was not used for takeoff due to the touch-and-go…
- [NTSB CHI04IA178](https://openairdocs.org/ntsb/CHI04IA178.md): Beech 1900D · Milwaukee, WI · Incident · No injuries · Incident investigation · Final report · Jul 6, 2004 · N87SK · Minor damage
  > The fatigue fracture of the left main landing gear during landing roll.
- [NTSB CHI04CA174](https://openairdocs.org/ntsb/CHI04CA174.md): Cessna 182N · Lancaster, WI · Accident · No injuries · Data collection · Final report · Jul 5, 2004 · N92422 · Substantial damage
  > The pilot's inadequate compensation for the gusty winds and his improper flare. The wind gusts were a contributing factor.
- [NTSB CHI04LA167](https://openairdocs.org/ntsb/CHI04LA167.md): Beech 200 · Green Bay, WI · Accident · No injuries · Limited investigation · Final report · Jun 30, 2004 · N432FA · Substantial damage
  > The loss of engine power after takeoff for an undetermined reason.
- [NTSB CHI04CA168](https://openairdocs.org/ntsb/CHI04CA168.md): Peck Vans RV-4 · Palmyra, WI · Accident · No injuries · Data collection · Final report · Jun 30, 2004 · N43MP · Substantial damage
  > The pilot's failure to maintain proper airspeed resulting in the inadvertent stall during the go-around. The overload failure of the left main landing gear was a contributing factor.
- [NTSB CHI04CA150](https://openairdocs.org/ntsb/CHI04CA150.md): Maule MX7235 · Waukesha, WI · Accident · No injuries · Data collection · Final report · Jun 13, 2004 · N5664R · Substantial damage
  > The pilot failed to maintain directional control and his inadequate compensation for wind conditions. Factors associated with the accident were the gusty crosswind and the concrete culvert that the airplane contacted.
- [NTSB CHI04CA138](https://openairdocs.org/ntsb/CHI04CA138.md): Merkel Acro Sport II · Beloit, WI · Accident · No injuries · Data collection · Final report · Jun 5, 2004 · N796DM · Substantial damage
  > Inaccurate fuel consumption calculations which resulted in fuel exhaustion. Factors associated with the accident were the pilot's continued flight with an inoperable fuel quantity indicator and the wires which the airplane contacted during the forced landing.
- [NTSB CHI04LA147](https://openairdocs.org/ntsb/CHI04LA147.md): North American T-28C · Manitowoc, WI · Accident · No injuries · Limited investigation · Final report · Jun 4, 2004 · N404DK · Substantial damage
  > Failure of the number 4 piston articulating rod resulting in a complete loss of engine power during initial climb. The ditch was a contributing factor.
- [NTSB CHI04CA136](https://openairdocs.org/ntsb/CHI04CA136.md): Cessna 172P · Milwaukee, WI · Accident · No injuries · Data collection · Final report · Jun 4, 2004 · N50923 · Substantial damage
  > The CFI failed to maintain adequate airspeed during the go-around which resulted in an inadvertent stall.
- [NTSB CHI04LA128](https://openairdocs.org/ntsb/CHI04LA128.md): North American P-51C · Hager City, WI · Accident · 1 fatal · Limited investigation · Final report · May 29, 2004 · N61429 · Substantial damage
  > The improper installation of the camshaft drive gear assembly which resulted in the retaining nut backing off allowing the drive gear to move up the shaft. A factor associated with the accident was the low altitude at which the power loss occurred and the…
- [NTSB CHI04CA118](https://openairdocs.org/ntsb/CHI04CA118.md): Piper PA-12 · Hartford, WI · Accident · No injuries · Data collection · Final report · May 9, 2004 · N2368M · Substantial damage
  > The loss of engine power for undetermined reasons. A factor to the accident was the soft terrain encountered during the forced landing.
- [NTSB CHI04CA116](https://openairdocs.org/ntsb/CHI04CA116.md): Robinson R22 Beta · Genesee Depot, WI · Accident · No injuries · Data collection · Final report · May 8, 2004 · N215WW · Substantial damage
  > The pilot's failure to maintain proper rotor RPM during the hover landing and his inadequate remedial action, which resulted in the hard landing.
- [NTSB CHI04LA104](https://openairdocs.org/ntsb/CHI04LA104.md): Cessna 172M · New Munster, WI · Accident · No injuries · Limited investigation · Final report · Apr 10, 2004 · N73213 · 2 aircraft · Substantial damage
  > Visual lookout not maintained by the pilots of both airplanes.

Next page: https://openairdocs.org/ntsb.md?state=WI&page=13

## 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'
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?page=12&state=WI

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