# NTSB investigations, WI: In flight encounter with weather

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 CHI07LA260](https://openairdocs.org/ntsb/CHI07LA260.md): Piper PA-28-140 · West Bend, WI · Accident · 1 fatal · Limited investigation · Final report · Aug 10, 2007 · N1696H · Substantial damage
  > The pilot's decision to depart in adverse weather conditions, and his failure to maintain clearance from the terrain. Contributing to the accident included the pilot's lack of an instrument rating, his lack of recent night experience, the night conditions and…
- [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 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 CHI04LA064](https://openairdocs.org/ntsb/CHI04LA064.md): Piper PA-28R-200 · Lone Rock, WI · Accident · Minor injuries · Limited investigation · Final report · Feb 7, 2004 · N5039S · Substantial damage
  > The pilot's continued flight into icing conditions resulting in ice accretion on the wing and his failure to maintain airspeed resulting in a stall.
- [NTSB CHI03LA185](https://openairdocs.org/ntsb/CHI03LA185.md): Hiller UH-12E · Elk Mound, WI · Accident · Minor injuries · Limited investigation · Final report · Jun 27, 2003 · N62417 · Destroyed
  > The pilot's failure to maintain clearance from the terrain. Factors contributing to the accident were the whirlwind, the turbulence, and the helicopter's low altitude.
- [NTSB CHI00FA227](https://openairdocs.org/ntsb/CHI00FA227.md): Cessna 182A · Sauk City, WI · Accident · 4 fatal · Field investigation · Final report · Jul 28, 2000 · N4742D · Destroyed
  > VFR flight into IMC encountered by the pilot and exceeding the design limits of the aircraf. A factor was flight to a destination alternate not performed by the pilot.
- [NTSB CHI00LA073](https://openairdocs.org/ntsb/CHI00LA073.md): Piper PA-23-250 · Amery, WI · Accident · No injuries · Limited investigation · Final report · Feb 15, 2000 · N106RS · Substantial damage
  > the pilots failure to maintain directional control. Factors to the accident were the icing conditions, the snow and ice covered runway and the snowbank.
- [NTSB CHI98FA343](https://openairdocs.org/ntsb/CHI98FA343.md): Piper PA-22-150 · Beaver Dam, WI · Accident · 2 fatal · Field investigation · Final report · Aug 28, 1998 · N2931Z · Destroyed
  > The continued flight into adverse weather conditions and aircraft control not maintained by the pilot-in-command. Contributing factors were the improper preflight planning/preparation and lack of certification by the pilot-in-command in addition to the…
- [NTSB CHI98LA105](https://openairdocs.org/ntsb/CHI98LA105.md): Aero Commander 680FLP · Fond Du Lac, WI · Accident · Minor injuries · Limited investigation · Final report · Mar 13, 1998 · N777MX · Substantial damage
  > the pilot's misjudged weather evaluation. Factors were turbulence, the pilot's inability to attain a proper climb rate, unsuitable terrain encountered in the landing area, and crops.
- [NTSB CHI97FA047](https://openairdocs.org/ntsb/CHI97FA047.md): Beech C90 · Rhinelander, WI · Accident · Minor injuries · Field investigation · Final report · Dec 28, 1996 · N998VB · Substantial damage
  > the pilot-in-command's inadequate weather evaluation and continued flight into forecast severe icing conditions which exceeded the capabilty of the airplane's anti-ice/deice system. The icing conditions were a factor.
- [NTSB CHI96LA222](https://openairdocs.org/ntsb/CHI96LA222.md): Piper J3C-90 · Racine, WI · Accident · 1 fatal · Limited investigation · Final report · Jun 29, 1996 · N77563 · Destroyed
  > was improper remdial action by the pilot after encountering a stall when the elevator back pressure was not removed and the ailerons were positioned for a right bank by that increasing the airplane's left yaw/roll action. Factors in this accident were a stall…
- [NTSB CHI96FA052](https://openairdocs.org/ntsb/CHI96FA052.md): Piper PA-23-250 · Steuben, WI · Accident · Serious injuries · Field investigation · Final report · Dec 12, 1995 · N54791 · Destroyed
  > failure of the pilot to select alternate air. Darkness and snowy weather conditions were related factors.
- [NTSB CHI96LA039](https://openairdocs.org/ntsb/CHI96LA039.md): Cessna 172 · Stevens Point, WI · Accident · Serious injuries · Limited investigation · Final report · Nov 26, 1995 · N6293F · Substantial damage
  > flying into known icing conditions and descending below the minimum descent altitude.
- [NTSB CHI96FA029](https://openairdocs.org/ntsb/CHI96FA029.md): Piper PA-28-151 · Fond Du Lac, WI · Accident · 2 fatal · Field investigation · Final report · Nov 11, 1995 · N161FS · Destroyed
  > the pilot's intentional VFR flight into instrument meteorological conditions, and his failure to maintain altitude. Factors included the weather obscuration due to snow and fog, the dark night, and the pilot's lack of recent night flight time.
- [NTSB CHI95IA204](https://openairdocs.org/ntsb/CHI95IA204.md): McDonnell Douglas DC-10-10 · Green Bay, WI · Incident · Minor injuries · Incident investigation · Final report · Jun 27, 1995 · N131AA · No damage
  > the weather condition (turbulence in clouds). A factor was the flight crew's abrupt control of the airplane.
- [NTSB CHI93FA200](https://openairdocs.org/ntsb/CHI93FA200.md): Beech A-36 · Tony, WI · Accident · 2 fatal · Field investigation · Final report · Jun 9, 1993 · N236A · Destroyed
  > the pilot's decision to continue flight into known adverse weather and exceeded the design strees limits of the airplane. Factors associated with the accident were inadequate preflight planning/preparation, clouds, turbulence, icing conditions, and the lack…
- [NTSB CHI93LA077](https://openairdocs.org/ntsb/CHI93LA077.md): Cessna 310R · Minocqua, WI · Accident · Minor injuries · Limited investigation · Final report · Jan 26, 1993 · N37224 · Substantial damage
  > The pilot's failure to properly align the aircraft with the landing area.
- [NTSB CHI92LA283](https://openairdocs.org/ntsb/CHI92LA283.md): Cessna 182B · Baldwin, WI · Accident · Minor injuries · Limited investigation · Final report · Sep 21, 1992 · N90BF · Destroyed
  > Spatial disorientation as the pilot attempted visual flight procedures in instrument meteorological conditions.
- [NTSB CHI92LA194](https://openairdocs.org/ntsb/CHI92LA194.md): Piper PA-28-180 · Belmont, WI · Accident · Minor injuries · Limited investigation · Final report · Jul 3, 1992 · N9735J · Destroyed
  > The pilot's poor planning/decision making. Related factors are the low ceilings and fog, the dark night, the pilot's inaccurate weather evaluation and diverted attention, and the pilot's failure to maintain clearance from the higher terrain encountered.
- [NTSB CHI92LA206](https://openairdocs.org/ntsb/CHI92LA206.md): Boeing 727-200 · Janesville, WI · Accident · Serious injuries · Limited investigation · Final report · Jul 2, 1992 · N7467U · No damage
  > The captain's delay in issuing instructions to the flight attendants to take their seats, and his poor crew coordination. A factor in the accident was the turbulence in clouds.
- [NTSB CHI92FA120](https://openairdocs.org/ntsb/CHI92FA120.md): Cessna 182 · Port Washington, WI · Accident · 2 fatal · Field investigation · Final report · Apr 1, 1992 · N1230D · Destroyed
  > The continuation of VFR flight into IMC conditions, by a (pilot) unknown, and not maintaining aircraft control by a (pilot) unknown.
- [NTSB CHI92FA119](https://openairdocs.org/ntsb/CHI92FA119.md): Cessna 172H · Browntown, WI · Accident · 1 fatal · Field investigation · Final report · Apr 1, 1992 · N3884R · Destroyed
  > Spatial disorientation and the pilot's failure to maintain control of the airplane. Factors associated with this accident were the snow conditions, an inadequate weather evaluation by both the student and instructor, over confidence in personal ability,…
- [NTSB CHI92FA059](https://openairdocs.org/ntsb/CHI92FA059.md): Cessna 172N · Cumberland, WI · Accident · 4 fatal · Field investigation · Final report · Dec 17, 1991 · N73920 · Destroyed
  > Failure to maintain aircraft control by the pilot in commnd. Factors in the accident are the pilot's continued flight into known adverse weather, a blocked pitot static system, lack of total expereince in type of operation, and lack of total expereince in…
- [NTSB CHI91LA234](https://openairdocs.org/ntsb/CHI91LA234.md): Cessna 172 · Sheboygan, WI · Accident · Minor injuries · Limited investigation · Final report · Jul 27, 1991 · N4821G · Substantial damage
  > The pilot's failure to maintain aircraft control. Factors are the pilot's lack of total expereince, his inadequate recovery from the bounced landing and the crosswind condition.
- [NTSB CHI91FA126](https://openairdocs.org/ntsb/CHI91FA126.md): Beech F.33A · Chippewa Falls, WI · Accident · 2 fatal · Field investigation · Final report · Apr 9, 1991 · N8012T · Destroyed
  > The first pilot's continued flight in known adverse weather. Factors in the accident were the first pilot's poor weather evaluation, the second pilot's complacency and the first pilot's self induced pressure to complete a checkout in model.
- [NTSB CHI91LA093](https://openairdocs.org/ntsb/CHI91LA093.md): Piper PA-28-181 · Marshfield, WI · Accident · No injuries · Limited investigation · Final report · Feb 7, 1991 · N6205J · Substantial damage
  > Improper in-flight planning/decision by the pilot and his failure to maintain airspeed, which resulted in an inadvertent stall/mush onto snow covered terrain beside the runway. The adverse weather conditions and snow covered terrain were related factors.
- [NTSB CHI91LA047](https://openairdocs.org/ntsb/CHI91LA047.md): Cessna 175 · Boscobel, WI · Accident · 2 fatal · Limited investigation · Final report · Dec 19, 1990 · N6626E · Destroyed
  > The pilot's continued VFR flight into instrument meteorological conditions (IMC) and his failure to remain clear of the trees. Factors related to the accident were: the adverse weather conditions and the pilot's lack of instrument experience.
- [NTSB CHI91DEP02](https://openairdocs.org/ntsb/CHI91DEP02.md): Cessna 172P · Hayward, WI · Accident · Serious injuries · Final report · Nov 9, 1990 · N64406 · Destroyed
  > The pilot-in-command's intentional flight into known adverse weather.
- [NTSB CHI90LA210](https://openairdocs.org/ntsb/CHI90LA210.md): Piper J-3 CUB · Clay Banks, WI · Accident · No injuries · Limited investigation · Final report · Jul 29, 1990 · N1455N · Substantial damage
  > Pilot's failure to maintain an adequate visual lookout during the descent. Contributing factors are the pilot's poor weather evaluation, and continued VFR flight into IFR conditions.
- [NTSB CHI90LA072](https://openairdocs.org/ntsb/CHI90LA072.md): Beech E18S · Oak Creek, WI · Accident · No injuries · Limited investigation · Final report · Jan 25, 1990 · N48K · Substantial damage
  > Improper planning/decision by the pilot. Factors related to the accident were: the adverse weather conditions, accumulation of structural and/or induction ice, and dark night.
- [NTSB CHI90FA056](https://openairdocs.org/ntsb/CHI90FA056.md): Cessna 340 · Merrill, WI · Accident · No injuries · Field investigation · Final report · Dec 28, 1989 · N69556 · Substantial damage
  > Failure of the pilot to maintain proper alignment with the runway during his landing roll and an inflight encounter with icing conditions.
- [NTSB CHI90FA055](https://openairdocs.org/ntsb/CHI90FA055.md): Beech A24R · Merrill, WI · Accident · 3 fatal · Field investigation · Final report · Dec 28, 1989 · N37329 · Destroyed
  > Flight into known adverse weather by the pilot, and structural/wing ice. Factors related to the accident were: the icing conditions and trees in the area of the accident.
- [NTSB CHI89LA152](https://openairdocs.org/ntsb/CHI89LA152.md): Piper PA-28-180 · Watertown, WI · Accident · No injuries · Limited investigation · Final report · Jul 29, 1989 · N3954R · Substantial damage
  > Improper planning/decision by the pilot and his misjudgement of distance and speed during the landing, which resulted in failure to attain a proper touchdown point. Contributing factors were: the weather conditions, the pilot's continued flight into…
- [NTSB CHI89DEP08](https://openairdocs.org/ntsb/CHI89DEP08.md): James Eggleston Varieze · Cottage Grove, WI · Accident · No injuries · Final report · Jul 29, 1989 · N13EG · Substantial damage
  > The pilot misjudged altitude and distance to the runway and failed to attain the proper touchdown point for a landing. Factors related to the accident were: adverse weather conditions and uneven terrain short of the runway.
- [NTSB CHI89FA049](https://openairdocs.org/ntsb/CHI89FA049.md): Cessna 172RG · Mosinee, WI · Accident · 3 fatal · Field investigation · Final report · Feb 8, 1989 · N6525V · Destroyed
  > Spatial disorientation of the pilot as a result of initiating the flight into known adverse weather. Factors related to the accident were: dark night, snow, and low ceilings.
- [NTSB CHI89IA034](https://openairdocs.org/ntsb/CHI89IA034.md): Aerospatiale ATR-42 · Mosinee, WI · Incident · No injuries · Incident investigation · Final report · Dec 22, 1988 · N427MQ · No damage
  > Stall induced by the accretion of moderate to severe clear icing.
- [NTSB CHI88LA019](https://openairdocs.org/ntsb/CHI88LA019.md): Cessna 150H · Cumberland, WI · Accident · Serious injuries · Limited investigation · Final report · Nov 8, 1987 · N6501S · Destroyed
  > At 0112 CST, the plt telephoned the fss & requested a wx outlook for a 0600 CST departure. The wx briefer adzd the wx to the south was deteriorating & that the destn would be IFR by about the planned departure time. Also, the briefer suggested the plt could…
- [NTSB CHI85LA076](https://openairdocs.org/ntsb/CHI85LA076.md): Piper PA-38-112 · Byron Township, WI · Accident · Serious injuries · Limited investigation · Final report · Dec 24, 1984 · N26055 · Destroyed
  > The low time 55 hr pilot was wx briefed on unfavorable flt conditions en route to destination. He departed no flt plan. As he approached destination, 8 mi south, the ceiling had lowered to 200 ft, visibility one mi; icing on windshield. While following…
- [NTSB CHI84FA374](https://openairdocs.org/ntsb/CHI84FA374.md): Piper PA-28-180F · Cable, WI · Accident · 2 fatal · Field investigation · Final report · Aug 4, 1984 · N3963R · Destroyed
  > The acft collided with trees & ground during IMC wx at night. The plt obtained a wx briefing at 1731 hrs CDT by phone from hibbing fss. He was advised that VFR flt was not recommended. No other wx briefing for this flt was recorded. Witnesses at the arpt of…
- [NTSB CHI83LA233](https://openairdocs.org/ntsb/CHI83LA233.md): Piper PA-34-200T · Woodruff, WI · Accident · No injuries · Limited investigation · Final report · May 28, 1983 · N2164X · Substantial damage
  > The plt was briefed on the wx before departing waukegan, IL. At the destination, Woodruff, WI, the wx was forecasted to be VFR, except for light rain & the chance of scattered thunderstorms. While en route, the plt checked on the wx & spoke with another plt…
- [NTSB CHI83LA131](https://openairdocs.org/ntsb/CHI83LA131.md): Mooney M20C · Solon Springs, WI · Accident · No injuries · Limited investigation · Final report · Mar 10, 1983 · N5587Q · Substantial damage
  > The pilot reported that when he departed Solon Springs, WI at 2100 CST, the weather was windy, but the sky was clear. He landed at minneapolis, MN to pick up a passenger, then departed on a return flight to Solon. While returning, he encountered snow. The…
- [NTSB CHI83FA090](https://openairdocs.org/ntsb/CHI83FA090.md): Piper PA-22-20 · Siren, WI · Accident · 2 fatal · Field investigation · Final report · Jan 23, 1983 · N3925P · Destroyed
  > Witnesses heard a sound of an acft eng, but because of low clouds & fog they could not see the acft. They heard the sound of the eng, a loud roar, the breaking of trees, & thena 'bang.' They then found the acft which had penetrated a wooded area at a 70 deg…
- [NTSB CHI83LA081](https://openairdocs.org/ntsb/CHI83LA081.md): Cessna 172 RG · Green Bay, WI · Accident · Serious injuries · Limited investigation · Final report · Jan 14, 1983 · N9916B · Substantial damage
  > The acft collided with the ground during an ILS approach. The weather was IMC at the time and an IFR flt plan was filed. The pilot was instrument rated and had received a weather briefing which forecast icing and freezing drizzle. The pilot told the weather…
- [NTSB CHI83LA040](https://openairdocs.org/ntsb/CHI83LA040.md): Piper 601P · Sheboygan, WI · Accident · Serious injuries · Limited investigation · Final report · Nov 18, 1982 · N6078U · Destroyed
  > The plt noticed haze in lights at destination but had excellent ground contact throughout the approach. At threshold he entered dense ground fog & lost all visual contact. The acft crashed during the go-around.
- [NTSB CHI82DA295](https://openairdocs.org/ntsb/CHI82DA295.md): Boeing Stearman A75-300N1 · Whitehall, WI · Accident · No injuries · Final report · Aug 5, 1982 · N802RB · Substantial damage
  > The pilot received a weather briefing before takeoff, and reportedly, was advised that VFR flight was not recommended. During the flight, the ceiling and visibility began to decrease. The pilot decided to make a precautionary landing in a field. He stated…
- [NTSB CHI82DA294](https://openairdocs.org/ntsb/CHI82DA294.md): Breezy RLU1 · Milwaukee, WI · Accident · No injuries · Final report · Aug 5, 1982 · N59Y · Substantial damage
  > The pilot stated that he got a weather briefing before departing oshkosh, WI. While en route, he encountered fog and rain. The pilot attempted to continue to find timmerman or rainbow airport. The engine lost power due to fuel exhaustion. While landing on a…

## 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'
  AND c."mKey" IN (SELECT o.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_occurrences.parquet' o WHERE o."occurrenceNumber" = 1 AND o."occurrenceCode" = 240)
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?occurrence=240&state=WI

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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.
