# NTSB investigations, WI: On ground/water encounter with terrain/water

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 CHI07CA055](https://openairdocs.org/ntsb/CHI07CA055.md): Cessna 150M · Bristol, WI · Accident · No injuries · Data collection · Final report · Jan 5, 2007 · N63332 · Substantial damage
  > The pilot's selection of unsuitable terrain to taxi on for takeoff. A factor was the soft terrain condition.
- [NTSB CHI07CA049](https://openairdocs.org/ntsb/CHI07CA049.md): Beech 99 · Mosinee, WI · Accident · No injuries · Data collection · Final report · Dec 23, 2006 · N799CZ · Substantial damage
  > The pilot encountering the unsuitable terrain during the landing. Factors were the dark night and the snowbank.
- [NTSB CHI06CA259](https://openairdocs.org/ntsb/CHI06CA259.md): Luscombe 8E · Dodgeville, WI · Accident · No injuries · Data collection · Final report · Sep 10, 2006 · N2020B · Substantial damage
  > The pilot encountering unsuitable terrain during the precautionary landing. A factor was the ditch the pilot encountered.
- [NTSB CHI06CA052](https://openairdocs.org/ntsb/CHI06CA052.md): Cessna 152 · Pelican Lake, WI · Accident · No injuries · Data collection · Final report · Dec 26, 2005 · N6085M · Substantial damage
  > The pilot selecting an unsuitable landing area. Factors were the snow and ice covered lake.
- [NTSB CHI06CA056](https://openairdocs.org/ntsb/CHI06CA056.md): Champion 7EC · Platteville, WI · Accident · Minor injuries · Data collection · Final report · Dec 23, 2005 · N7592B · Substantial damage
  > The student pilot not maintaining directional control during the landing. A factor was the snow bank the pilot encountered.
- [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 CHI04LA075](https://openairdocs.org/ntsb/CHI04LA075.md): Cessna 120 · Merrill, WI · Accident · No injuries · Limited investigation · Final report · Feb 21, 2004 · N73034 · Substantial damage
  > The pilot's selection of unsuitable terrain to conduct a landing. Factors were the reported flat light conditions and the uneven terrain.
- [NTSB CHI02TA149](https://openairdocs.org/ntsb/CHI02TA149.md): Cessna A185F · Necedah, WI · Accident · No injuries · Final report · Jun 1, 2002 · N185NR · Substantial damage
  > Directional control of the airplane not maintained by the pilot. The gusting winds was a contributing factor.
- [NTSB CHI00LA213](https://openairdocs.org/ntsb/CHI00LA213.md): Cessna 120 · Shawano, WI · Accident · No injuries · Limited investigation · Final report · Jul 21, 2000 · N2961N · Substantial damage
  > Inadequate preflight planning and the pilot's delay in aborting the takeoff. A factor was the road embankment.
- [NTSB CHI99LA294](https://openairdocs.org/ntsb/CHI99LA294.md): Stinson 108-3 · Johnson Creek, WI · Accident · No injuries · Limited investigation · Final report · Aug 15, 1999 · N4072C · Substantial damage
  > the pilot's failure to maintain directional control of the airplane.
- [NTSB CHI99FA263](https://openairdocs.org/ntsb/CHI99FA263.md): Underwood Brokaw Bullet · Oshkosh, WI · Accident · No injuries · Field investigation · Final report · Jul 29, 1999 · N331TB · Substantial damage
  > the pilot failed to maintain directional control of the airplane.
- [NTSB CHI98LA357](https://openairdocs.org/ntsb/CHI98LA357.md): Cessna 182K · Baldwin, WI · Accident · No injuries · Limited investigation · Final report · Sep 20, 1998 · N2689Q · Substantial damage
  > The pilot's inadequate preflight planning and preparation, and his failure to stop on the wet, grassy runway. A related factor was the wet grass.
- [NTSB CHI96LA337](https://openairdocs.org/ntsb/CHI96LA337.md): Ercoupe 415-C · Wausau, WI · Accident · No injuries · Limited investigation · Final report · Aug 25, 1996 · N94196 · Substantial damage
  > the pilot's selection of an unsuitable landing area, and his misjudgment of distance and speed, while attempting to minimize the effect of crossing an uneven area on the runway. The uneven runway condition was a related factor.
- [NTSB CHI91LA141](https://openairdocs.org/ntsb/CHI91LA141.md): Taylorcraft BC12-D · Evansville, WI · Accident · No injuries · Limited investigation · Final report · Apr 26, 1991 · N61978 · Substantial damage
  > The pilot's selection of unsuitable terrain for landing, not maintaining directional control and attempting a go-around without sufficient airspeed. A factor was the rutted runway surface.
- [NTSB CHI89LA091](https://openairdocs.org/ntsb/CHI89LA091.md): Piper PA-28RT-201 · Ojibwa, WI · Accident · No injuries · Limited investigation · Final report · May 14, 1989 · N82702 · Substantial damage
  > Improper planning/decision by the pilot and his delay in aborting the takeoff. Contributing factors were: the wet/upward sloping condition of the airstrip, unfavorable wind, high obstructions (tall trees/obstacles at the end of the runway), and high…
- [NTSB CHI86LA167](https://openairdocs.org/ntsb/CHI86LA167.md): Cessna A152 · Middleton, WI · Accident · Minor injuries · Limited investigation · Final report · Jul 9, 1986 · N761UA · Substantial damage
  > The student pilot stated that he was practicing soft field takeoffs on a grass strip. He aborted his first attempt to make an intersection takeoff. On his second try, he thought he could get airborne, but did not. The aircraft struck an embankment near the…

## 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" = 320)
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?occurrence=320&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.
