# NTSB investigations: Bellanca 17-30A: 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 CEN24LA152](https://openairdocs.org/ntsb/CEN24LA152.md): Bellanca 17-30A · Galveston, TX · Accident · No injuries · Class 4 · Limited · Final report · Apr 5, 2024 · N9996V · Substantial damage
  > Maintenance personnel’s failure to properly secure the oil filter adapter when replacing the oil filter adapter gasket which resulted in the filter becoming loose, resulting in the loss of engine oil, and the subsequent total loss of engine power.
- [NTSB WPR21LA334](https://openairdocs.org/ntsb/WPR21LA334.md): Bellanca 17-30A · Hurricane, UT · Accident · No injuries · Class 4 · Limited · Final report · Sep 3, 2021 · N15DQ · Substantial damage
  > The pilot's failure to extend the landing gear
- [NTSB GAA17CA031](https://openairdocs.org/ntsb/GAA17CA031.md): Bellanca 17 30 · Burnet, TX · Accident · No injuries · Data collection · Final report · Oct 15, 2016 · N8790V · Substantial damage
  > The pilot’s decision to continue the unstabilized approach and his failure to extend the landing gear before landing.

## 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 ('1220433')
    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=1220433

---
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.