# NTSB investigations: Jacobs L4 /R755-7: Midair collision

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 LAX86LA189](https://openairdocs.org/ntsb/LAX86LA189.md): Cessna 195A · San Rafael, CA · Accident · Serious injuries · Limited investigation · Final report · Apr 23, 1986 · N4496C · 2 aircraft · Substantial damage
  > The two aircraft collided on the runway during landing approach. The Cessna pilot had washed his aircraft and had made a local flight to dry it off. The beeck pilot was returning from a nearby airport where an annual inspection had been performed. Witnesses…
- [NTSB MKC84FA272](https://openairdocs.org/ntsb/MKC84FA272.md): Cessna 195A · Akron, IA · Accident · 2 fatal · Field investigation · Final report · Sep 9, 1984 · N19JW · 2 aircraft · Destroyed
  > N19JW, a Cessna 195A and N8783X, a Cessna 182 departed mapleton, IA, at aprx 0805 on a VFR flt to Akron, IA, to attend a fly-in breakfast. The two acft did not travel the same route of flight to Akron, N19JW crossed over the midpoint of the arpt on crosswind…

## 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."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('35003')
    AND EXISTS (SELECT 1 FROM 'https://openairdocs.org/data/latest/ntsb_occurrences.parquet' o WHERE o.case_mkey = x.case_mkey AND o.aircrafts_position = x.position AND o."occurrenceNumber" = 1 AND o."occurrenceCode" = 270))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=35003&occurrence=270

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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.