# NTSB investigations, 1997, 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 CHI98LA061](https://openairdocs.org/ntsb/CHI98LA061.md): Piper PA-28-140 · Sturtevant, WI · Accident · 1 fatal · Limited investigation · Final report · Dec 13, 1997 · N5454S · Destroyed
  > The pilot's misjudgment of altitude/distance and her failure to maintain adequate visual lookout. Also causal was the pilot's failure to maintain adequate obstacle clearance. A contributing factor was the pilot experiencing a visual illusion.
- [NTSB CHI98LA057](https://openairdocs.org/ntsb/CHI98LA057.md): Cessna 402A · Milwaukee, WI · Accident · No injuries · Limited investigation · Final report · Dec 9, 1997 · N728QA · Substantial damage
  > Inadequate preflight planning/preparation, which resulted in fuel exhaustion.
- [NTSB CHI98LA043](https://openairdocs.org/ntsb/CHI98LA043.md): Piper PA-28RT-201T · Janesville, WI · Accident · No injuries · Limited investigation · Final report · Nov 22, 1997 · N8315S · Substantial damage
  > the dual student's failure to obtain the proper touchdown point, and the instructor's failure to provide adequate supervision of the flight. Factors associated with the accident were: inadequate altitude, the student's diverted attention, the snowbank, and…
- [NTSB CHI98LA032](https://openairdocs.org/ntsb/CHI98LA032.md): Cessna 421A · Tomahawk, WI · Accident · No injuries · Limited investigation · Final report · Nov 7, 1997 · N2957Q · Substantial damage
  > the elevator trim tab bolt backed out, allowing the trim tab to flutter, and destroy the elevator. The factors involved were improper annual inspection by the maintenance personnel, and the inadequate aircraft preflight done by the pilot.
- [NTSB CHI98LA030](https://openairdocs.org/ntsb/CHI98LA030.md): Piper PA-38 · Madison, WI · Accident · No injuries · Limited investigation · Final report · Nov 5, 1997 · N2536N · Substantial damage
  > the flight instructor's (CFI's) inadequate supervision of the flight, and his failure to ensure that control of the airplane was maintained. Factors associated with the accident were: the CFI's improper use of flaps, and subsequent contact with the runway…
- [NTSB CHI98LA026](https://openairdocs.org/ntsb/CHI98LA026.md): Learjet 35A · Sheboygan, WI · Accident · No injuries · Limited investigation · Final report · Oct 29, 1997 · N62MB · Substantial damage
  > a deer that ran in front of the airplane during the takeoff phase. A factor in this accident was the lack of an airport perimeter fence to prevent deer from getting onto the runway.
- [NTSB CHI98LA019](https://openairdocs.org/ntsb/CHI98LA019.md): Piper J3L-65 · Reeseville, WI · Accident · No injuries · Limited investigation · Final report · Oct 18, 1997 · N33252 · Substantial damage
  > failure of the normal braking system, due to a low level of brake fluid. Factors relating to the accident were: inadequate inspection of the aircraft by other maintenance personnel, the pilot's failure to check the brakes after brake maintenance/inspection,…
- [NTSB CHI98LA009](https://openairdocs.org/ntsb/CHI98LA009.md): Brown AIR Shark III · Green Bay, WI · Accident · No injuries · Limited investigation · Final report · Oct 6, 1997 · N42AE · Substantial damage
  > the pilot's improper flare, which resulted in a hard landing, subsequent failure of the left main landing gear, and his inability to maintain directional control. Factors related to the accident were: the runway light, and soft terrain.
- [NTSB CHI97LA282](https://openairdocs.org/ntsb/CHI97LA282.md): Cessna 172M · Portage, WI · Accident · Minor injuries · Limited investigation · Final report · Aug 27, 1997 · N9026H · Substantial damage
  > the pilot's inadequate preflight preparation, and subsequent fuel exhaustion. Factors relating to this accident were: the guard rail, the highway, and the ditch.
- [NTSB CHI97LA263](https://openairdocs.org/ntsb/CHI97LA263.md): Grumman G-164B · Burlington, WI · Accident · No injuries · Limited investigation · Final report · Aug 16, 1997 · N7016Y · Substantial damage
  > the deer which contacted the airplane.
- [NTSB CHI97FA248](https://openairdocs.org/ntsb/CHI97FA248.md): Valley Adventurers Adventurer 333 · Fond Du Lac, WI · Accident · 1 fatal · Field investigation · Final report · Aug 5, 1997 · N323VA · Destroyed
  > The kit manufacturer's use of inadequate material in construction of the airplane, his inadequate application of quality controls resulting in the debonding of the horizontal stabilizer. Factors were the total loss of the horizontal stabilizer, the elevator,…
- [NTSB CHI97FA252](https://openairdocs.org/ntsb/CHI97FA252.md): Beech 76 · New Richmond, WI · Accident · 2 fatal · Field investigation · Final report · Aug 4, 1997 · N18960 · Destroyed
  > The certified flight instructor's inadequate supervision and delayed remedial action and the flight crew's lack of aircraft control. A factor was loss of control while maneuvering downwind by one of the pilot's.
- [NTSB CHI97FA245](https://openairdocs.org/ntsb/CHI97FA245.md): Peck Osprey 2 · Poygen, WI · Accident · 2 fatal · Field investigation · Final report · Aug 4, 1997 · N4442C · Destroyed
  > A loss of control in flight for undetermined reasons.
- [NTSB CHI97LA251](https://openairdocs.org/ntsb/CHI97LA251.md): Larsen T-BIRD II · Oshkosh, WI · Accident · Serious injuries · Limited investigation · Final report · Aug 3, 1997 · N41873 · Substantial damage
  > the pilot's failure to maintain flying speed and loss of control resulting in a stall. Factors were the tree and the fence.
- [NTSB CHI97LA243](https://openairdocs.org/ntsb/CHI97LA243.md): Cessna 182P · Oshkosh, WI · Accident · No injuries · Limited investigation · Final report · Aug 3, 1997 · N125MW · Substantial damage
  > wake turbulence from another airplane encountered at an altitude which precluded regaining control of the airplane by the pilot.
- [NTSB CHI97LA244](https://openairdocs.org/ntsb/CHI97LA244.md): Piper PA-24-250 · Fond Du Lac, WI · Accident · Minor injuries · Limited investigation · Final report · Aug 2, 1997 · N720MB · Substantial damage
  > the pilot's improper use of the throttle control friction lock, and his inadequate remedial action. Related factors were his lack of experience in type of aircraft, the pilot's habit interference, and the presence of parked (standing) aircraft.
- [NTSB CHI97LA239](https://openairdocs.org/ntsb/CHI97LA239.md): Briegleb BG-12A · Superior, WI · Accident · 1 fatal · Limited investigation · Final report · Aug 2, 1997 · N5516V · Destroyed
  > the separation of the wing from the glider for undetermined reasons.
- [NTSB CHI97LA246](https://openairdocs.org/ntsb/CHI97LA246.md): Young RV-4 · Sparta, WI · Accident · No injuries · Limited investigation · Final report · Aug 1, 1997 · N654Y · Substantial damage
  > the pilot's inadequate compensation for wind conditions, and his improper recovery from a bounced landing, which resulted in an improper flare and hard landing. The gusty wind was a related factor.
- [NTSB CHI97LA242](https://openairdocs.org/ntsb/CHI97LA242.md): Boeing B75N1 · Lone Rock, WI · Accident · No injuries · Limited investigation · Final report · Jul 30, 1997 · N75939 · Substantial damage
  > a locked right brake which resulted in the pilot's inability to maintain direction control of the airplane during the landing roll.
- [NTSB CHI97LA230](https://openairdocs.org/ntsb/CHI97LA230.md): Jenkins RV-6 · Middleton, WI · Accident · Minor injuries · Limited investigation · Final report · Jul 28, 1997 · N126JM · Substantial damage
  > the pilot was too low on final approach and hit the high vegetation.
- [NTSB CHI97LA225](https://openairdocs.org/ntsb/CHI97LA225.md): Sorrell SNS-7 · Tomahawk, WI · Accident · No injuries · Limited investigation · Final report · Jul 27, 1997 · N774HB · Destroyed
  > The pilot encountered a tailplane stall. The factors involved were the pilot conducted a low altitude flight maneuver and encountered engine torque effect.
- [NTSB CHI97LA224](https://openairdocs.org/ntsb/CHI97LA224.md): Beech B-23 · Watertown, WI · Accident · Serious injuries · Limited investigation · Final report · Jul 24, 1997 · N9120T · Destroyed
  > a loss of engine power due to undetermined reason(s).
- [NTSB CHI97LA216](https://openairdocs.org/ntsb/CHI97LA216.md): Schweizer SGS 2-8 · Menominee Falls, WI · Accident · Serious injuries · Limited investigation · Final report · Jul 20, 1997 · N79106 · Substantial damage
  > the slippage of the glider launch equipment (winch). Factors were the pilot's encounter with a stall/spin and the lack of possibility for remedial action to avoid impact with the terrain.
- [NTSB CHI97LA215](https://openairdocs.org/ntsb/CHI97LA215.md): Cessna 182 · Chippewa Falls, WI · Accident · No injuries · Limited investigation · Final report · Jul 20, 1997 · N5820B · Substantial damage
  > the pilot's misjudgment of the fuel supply, and subsequent fuel exhaustion.
- [NTSB CHI97LA141](https://openairdocs.org/ntsb/CHI97LA141.md): Cessna 172N · Madison, WI · Accident · No injuries · Limited investigation · Final report · May 16, 1997 · N738LM · Substantial damage
  > the pilot's inadequate compensation for wind conditions which resulted in a loss of directional control of the airplane. Factors associated with the accident were the gusty, crosswind conditions and the VASI lights.
- [NTSB CHI97LA131](https://openairdocs.org/ntsb/CHI97LA131.md): Piper PA-12 · Sheboygan, WI · Accident · No injuries · Limited investigation · Final report · May 13, 1997 · N712MW · Substantial damage
  > the pilot's failure to maintain control of the airplane during the landing roll. A factor associated with the accident was the sudden change in wind conditions.
- [NTSB CHI97LA112](https://openairdocs.org/ntsb/CHI97LA112.md): Luscombe 8E · Wautoma, WI · Accident · No injuries · Limited investigation · Final report · Apr 15, 1997 · N26SH · Substantial damage
  > the pilot's improper use of the throttle. Factors were a crosswind and soft terrain.
- [NTSB CHI97LA099](https://openairdocs.org/ntsb/CHI97LA099.md): Piper PA-22 · Oshkosh, WI · Accident · Minor injuries · Limited investigation · Final report · Apr 4, 1997 · N9231D · Substantial damage
  > the pilot's inadequate compensation for the wind conditions, and his failure to maintain proper runway alignment, which resulted in a subsequent nose over. The gusty crosswind condition was a related factor.
- [NTSB CHI97LA088](https://openairdocs.org/ntsb/CHI97LA088.md): Cessna 150J · La Valle, WI · Accident · No injuries · Limited investigation · Final report · Mar 20, 1997 · N5526G · Substantial damage
  > the pilot's inadequate pre-flight planning/preparation which led to fuel exhaustion. A factor was the snow covered terrain.
- [NTSB CHI97LA087](https://openairdocs.org/ntsb/CHI97LA087.md): Cessna T210 · Janesville, WI · Accident · No injuries · Limited investigation · Final report · Mar 15, 1997 · N6677N · Substantial damage
  > the pilot inadvertently retracting the landing gear during the takeoff roll.
- [NTSB CHI97FA084](https://openairdocs.org/ntsb/CHI97FA084.md): Douglas DC-3C/BT-67R · Newton, WI · Accident · 4 fatal · Field investigation · Final report · Mar 15, 1997 · TZ389 · 2 aircraft · Destroyed
  > failure of the Beech A36 pilot to maintain clearance from the modified Douglas DC-3, while positioning the A36 for photography of the DC-3.
- [NTSB CHI97LA081](https://openairdocs.org/ntsb/CHI97LA081.md): Piper PA-28-181 · Mosinee, WI · Accident · No injuries · Limited investigation · Final report · Mar 7, 1997 · N8259M · Substantial damage
  > The formation of carburetor ice and the instructor pilot's failure to recognize conditions leading to carburetor icing and to take appropriate preventative action. Factors relating to this accident were the late application of carburetor heat, the icing…
- [NTSB CHI97TA070](https://openairdocs.org/ntsb/CHI97TA070.md): Cessna 172 · Oconto, WI · Accident · No injuries · Final report · Feb 15, 1997 · N61914 · Substantial damage
  > the failure of the pilot to maintain proper runway alignment and thus clearance with the snow drifts during takeoff. A factor was the distance the snow drifts extended past the runway edge.

## 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") = 1997
  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=1997

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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.