# NTSB investigations, WI: Collision between aircraft (other than midair)

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 CHI07FA060](https://openairdocs.org/ntsb/CHI07FA060.md): Beechcraft BE99 · Milwaukee, WI · Accident · Minor injuries · Field investigation · Final report · Jan 25, 2007 · N699CZ · 2 aircraft · Substantial damage
  > The failure of both pilots to adequately scan for and avoid other aircraft traffic during taxi operations, and the failure of Air Traffic Control to issue a traffic advisory to both of the pilots. A contributing factor to the accident was the night time light…
- [NTSB CHI04LA083](https://openairdocs.org/ntsb/CHI04LA083.md): Cessna 195 · Manitowoc, WI · Accident · No injuries · Limited investigation · Final report · Feb 19, 2004 · N4351V · Minor damage
  > The Cessna 195 pilot's failure to maintain clearance from the Cessna 177RG while taxiing to the ramp after landing. A contributing factor was the restricted forward visibility (blind spot) of the Cessna 195 due to the engine cowling. An additional factor was…
- [NTSB CHI03FA238](https://openairdocs.org/ntsb/CHI03FA238.md): Degair Lancair 360 · Oshkosh, WI · Accident · No injuries · Field investigation · Final report · Aug 1, 2003 · N3602D · 2 aircraft · Substantial damage
  > The other airplane pilot's inadequate visual look out and his failure to perform a go-around, and maintain clearance from the other aircraft.
- [NTSB CHI98LA297](https://openairdocs.org/ntsb/CHI98LA297.md): Cessna 180 · Oshkosh, WI · Accident · No injuries · Limited investigation · Final report · Aug 1, 1998 · N111WF · 2 aircraft · Substantial damage
  > the pilot of the other airplane did not maintain proper clearance.
- [NTSB CHI96LA118](https://openairdocs.org/ntsb/CHI96LA118.md): Cessna 310R · Marshfield, WI · Accident · No injuries · Limited investigation · Final report · Mar 20, 1996 · N1835E · 2 aircraft · Substantial damage
  > the failure of the pilot of the PA-32R, N1030Q, to obtain identification of the Cessna 310R, N1835E, visually, and his inadequate visual outlook. A factor was the failure of both pilots to hear communications from each other.
- [NTSB CHI95LA252](https://openairdocs.org/ntsb/CHI95LA252.md): Stevens Acro II · Oshkosh, WI · Accident · No injuries · Limited investigation · Final report · Jul 31, 1995 · N40LF · 2 aircraft · Minor damage
  > the failure of the pilot of the Acro II, N40LF, to maintain clearance from the Cessna 172, N5542R.

## 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" = 271)
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?occurrence=271&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.