# NTSB investigations: Olson Waldo S JENNY JN4D

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 SEA86LA208](https://openairdocs.org/ntsb/SEA86LA208.md): Curtiss JN4-D · Vancouver, WA · Accident · Minor injuries · Limited investigation · Final report · Aug 17, 1986 · N511JN · Substantial damage
  > The plt reported a normal takeoff was made with 1300 RPM. At liftoff a small amount of black smoke emitted from both exhaust stacks and the RPM dropped to 1250. After clearing the rwy, more black smoke emitted and the RPM dropped to 1200. The plt cleared two…

## 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.aircraft_model_code IN ('05663BU'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?model=05663BU

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