# NTSB investigations, CO: Nose 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 DEN04LA023](https://openairdocs.org/ntsb/DEN04LA023.md): Fairchild Swearingen SA226TC · Grand Junction, CO · Accident · No injuries · Limited investigation · Final report · Nov 18, 2003 · N332BA · Substantial damage
  > the operator's improper maintenance and servicing of the airplane's nose landing gear assembly, resulting in the collapse of the nose landing gear during the landing roll. Contributing factors include the nose section of the airplane's subsequent contact with…
- [NTSB DEN93IA050](https://openairdocs.org/ntsb/DEN93IA050.md): Piper PA-34-200 · Boulder, CO · Incident · No injuries · Incident investigation · Final report · Mar 27, 1993 · N4519T · Minor damage
  > Not determined.
- [NTSB DEN90LA056](https://openairdocs.org/ntsb/DEN90LA056.md): Cessna 404 · Englewood, CO · Accident · No injuries · Limited investigation · Final report · Feb 13, 1990 · N409EX · Substantial damage
  > The collapse of the nose gear assembly for undetermined reasons.
- [NTSB DEN83FA021](https://openairdocs.org/ntsb/DEN83FA021.md): Mcdonald Douglas DC-10 · Denver, CO · Accident · No injuries · Field investigation · Final report · Nov 19, 1982 · N68056 · Substantial damage
  > During the taxi for takeoff, the crew noted a hydraulic malfunction on the right main gear and returned to the gate for maintenance. The aircraft was shut down and turned over to the maintenance crew for repair. The passengers were not deplaned. During…

## 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" = 'CO' 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" = 192)
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?occurrence=192&state=CO

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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.