# NTSB investigations, WI: Near collision between aircraft

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 CHI02FA200](https://openairdocs.org/ntsb/CHI02FA200.md): Piper PA-20 · Oshkosh, WI · Accident · No injuries · Field investigation · Final report · Jul 21, 2002 · N1592A · Substantial damage
  > Inadequate visual lookout by both the accident pilot and the pilot of the other airplane. An additional cause is the arrival procedure used which resulted in a congested traffic pattern and the subsequent inadequate visual separation of the airplanes. Factors…
- [NTSB CHI00IA062](https://openairdocs.org/ntsb/CHI00IA062.md): British Aerospace Jetstream 3101 · Milwaukee, WI · Incident · No injuries · Incident investigation · Final report · Jan 21, 2000 · N842JS · No damage
  > the hold-short clearance not being followed by the flightcrew, which resulted in a near collision with the departing Boeing 727-200.

## 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" = 280)
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?occurrence=280&state=WI

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