# Final NTSB investigations, ND: Complete gear collapsed

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 DEN87LA154](https://openairdocs.org/ntsb/DEN87LA154.md): Mooney M20E · Harwood, ND · Accident · No injuries · Limited investigation · Final report · Jun 7, 1987 · N6933U · Substantial damage
  > The plt was landing his Mooney M20E on a private grass airstrip. He said he lowered the manual landing gear and thought he felt the thumblock snap into place. Upon touchdown the landing gear folded up and the acft slid to a stop, resulting in substantial…
- [NTSB DEN84LA296](https://openairdocs.org/ntsb/DEN84LA296.md): Piper PA-24-260 · Carrington, ND · Accident · No injuries · Limited investigation · Final report · Sep 20, 1984 · N8579P · Substantial damage
  > According to the plt, the landing gear were extended on base leg but he did not recall seeing the green light indicating a down and locked configuration. As the acft touched down some resistance was felt by the plt as all 3 gear collapsed and the acft settled…
- [NTSB DEN83LA219](https://openairdocs.org/ntsb/DEN83LA219.md): Cessna 320B · Mandan, ND · Accident · No injuries · Limited investigation · Final report · Sep 8, 1983 · N320RD · Substantial damage
  > The acft landed gear up after the normal and emergency extension systems failed to extend the landing gear. During the appraoch to land the plt noticed the landing gear down light'would not come on'. A missed approach was executed. The pltdiscussed the…
- [NTSB DEN83LA220](https://openairdocs.org/ntsb/DEN83LA220.md): Beech D35 · St. Thomas, ND · Accident · No injuries · Limited investigation · Final report · Jun 23, 1983 · N3422B · Substantial damage
  > The plt stated that after a flt to inspect farm fields he 'made an approach to the arpt and landed with the gear up.' He said he heard the gear warning as he crossed the threshold but interpeted it as a stall warning.

## 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" = 'ND' AND c."eventCountry" = 'USA'
  AND c."completionStatus" = 'Completed'
  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" = 194)
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?occurrence=194&state=ND&status=final

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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.