# NTSB investigations: Continental IO-470 series: 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 ANC91LA003](https://openairdocs.org/ntsb/ANC91LA003.md): Beech B55B · Eielson Afb, AK · Accident · No injuries · Limited investigation · Final report · Oct 7, 1990 · N56AF · Substantial damage
  > The dual student's inadvertent, premature selection of the landing gear handle to the up position; thereby causing the landing gear system to retract. Contributing to the accident was the instructor's failure to monitor the dual student's action and take…
- [NTSB NYC84LA266](https://openairdocs.org/ntsb/NYC84LA266.md): Beech B55 · Trenton, NJ · Accident · No injuries · Limited investigation · Final report · Aug 6, 1984 · N14AT · Substantial damage
  > During landing roll, as the acft slowed to about 40 mph and the plt was transitioning to taxi mode, the landing gear collapsed. No mechanical fault or failure was reported. Witnesses observed the gear to be down during the approach.

## 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 ('17044')
    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=17044&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.