# NTSB investigations: Continental TSI0-470-B: 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 MKC89LA167](https://openairdocs.org/ntsb/MKC89LA167.md): Cessna 320 · St. Clair, MO · Accident · No injuries · Limited investigation · Final report · Jul 22, 1989 · N314D · Substantial damage
  > The landing gear retraction/extention system failed for undetermined reason.
- [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…

## 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 ('17029')
    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" = 194))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=17029&occurrence=194

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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.