# NTSB investigations: AiResearch 331 SER 605HP: 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 CHI02LA144](https://openairdocs.org/ntsb/CHI02LA144.md): Mitsubishi MU2B-20 · Belleville, MI · Accident · No injuries · Limited investigation · Final report · May 28, 2002 · N54CK · Substantial damage
  > The pilot's failure to verify the extension of the landing gear prior to landing, and his failure to perform the emergency landing gear extension procedure. The popped circuit breaker was a factor.
- [NTSB MKC85FA032](https://openairdocs.org/ntsb/MKC85FA032.md): Swearingen SA226TC · Harrison, AR · Accident · No injuries · Field investigation · Final report · Dec 7, 1984 · N511SS · Substantial damage
  > The acft was being operated as skyways flt 488. The first officer was flying the acft. The acft touched down on the rwy aprx 1584 feet from the approach end and after a short roll, the landing gear warning horn sounded and the left wing settled to the ground.…

## 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 ('01502')
    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" = 190))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=01502&occurrence=190

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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.