# NTSB investigations, IL: 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 CHI01IA046](https://openairdocs.org/ntsb/CHI01IA046.md): McDonnell Douglas DC-9-31 · Chicago, IL · Incident · No injuries · Incident investigation · Final report · Dec 14, 2000 · N9342 · 2 aircraft · Minor damage
  > Failure of the captain to maintain clearance from the other airplane that was stopped. Factors relating to this accident were the snow-covered taxiways and the ground controller disregarding the captain's warning of the unsafe/hazardous situation of being…
- [NTSB DCA97MA009](https://openairdocs.org/ntsb/DCA97MA009.md): Beech 1900C · Quincy, IL · Accident · 14 fatal · Class 1 · Major · Final report · Nov 19, 1996 · N87GL · 2 aircraft · Destroyed
  > the failure of the pilots in the King Air A90 to effectively monitor the common traffic advisory frequency or to properly scan for traffic, resulting in their commencing a takeoff roll when the Beech 1900C (United Express flight 5925) was landing on an…
- [NTSB CHI96LA339](https://openairdocs.org/ntsb/CHI96LA339.md): Piper PA-25 · Highland, IL · Accident · No injuries · Limited investigation · Final report · Sep 14, 1996 · N7753Z · 2 aircraft · Minor damage
  > failure of the Piper PA-25 tow pilot to see-and-avoid the Blanik L-23 glider. A factor relating to the accident was: neither aircraft was equipped with a communication radio.
- [NTSB CHI95LA318](https://openairdocs.org/ntsb/CHI95LA318.md): Maule M-5 · Belvidere, IL · Accident · Minor injuries · Limited investigation · Final report · Sep 10, 1995 · N5669P · 2 aircraft · Substantial damage
  > inadequate visual lookout by the pilots of both airplanes, which resulted in failure of each pilot to see-and-avoid the other airplane.

## 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" = 'IL' 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=IL

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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.