# NTSB investigations: Bombardier DHC-8-402: Landing gear not configured

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 DCA18WA314](https://openairdocs.org/ntsb/DCA18WA314.md): De Havilland DHC8 · Callao, Peru · Accident · No injuries · Foreign investigation · Aug 19, 2018 · N404AV · Substantial damage
  > The Peru Comisión de Investigación de Accidentes Aviación ((CIAA) has notified the NTSB of an accident involving a De Havilland DHC8 that occurred on August 19, 2018. The NTSB has appointed a U.S. Accredited Representative to assist the CIAA'S investigation…
- [NTSB DCA12FA058](https://openairdocs.org/ntsb/DCA12FA058.md): Bombardier DHC-8-402 · Houston, TX · Accident · No injuries · Field investigation · Final report · Apr 7, 2012 · N213WQ · Substantial damage
  > the nose landing gear alternate release handle was not pulled with sufficient enough force or distance to release the uplocks and allow extension of the nose landing gear. Contributing to the accident was the dissimilar pull force and pull length set on 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.aircraft_model_code IN ('1390042')
    AND EXISTS (SELECT 1 FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' s WHERE s.case_mkey = x.case_mkey AND s.aircrafts_position = x.position AND s."tier2Number" = '095' AND s.case_mkey IN (SELECT case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' WHERE "isDefiningEvent")))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb-events/095/sequence?model=1390042

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