# NTSB investigations: Continental IO-520 series, 1986, ND

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 DEN86LA255](https://openairdocs.org/ntsb/DEN86LA255.md): Beech B58 · Fargo, ND · Accident · No injuries · Limited investigation · Final report · Sep 19, 1986 · N9025V · Substantial damage
  > The pilot stated that during the landing roll he inadertently retracted the landing gear along with the flaps.
- [NTSB DEN86LA230](https://openairdocs.org/ntsb/DEN86LA230.md): Cessna A188B · Langdon, ND · Accident · No injuries · Limited investigation · Final report · Aug 10, 1986 · N2417J · Substantial damage
  > While ground taxiing for takeoff the acft left main gear brake failed. During the ensuing right ground loop the left main gear collapsed and the left wing impacted the asphalt taxiway.

## 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 year(c."eventDate") = 1986
  AND c."eventStateOrRegion" = 'ND' AND c."eventCountry" = 'USA'
  AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('17032'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=17032&state=ND&year=1986

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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.