# NTSB investigations: Bellanca 17-31ATC: Collision with terr/obj (non-CFIT)

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 CEN17FA164](https://openairdocs.org/ntsb/CEN17FA164.md): Bellanca 17 31ATC · Boonville, MO · Accident · 2 fatal · Field investigation · Final report · Apr 24, 2017 · N787TV · Substantial damage
  > The pilot's impairment, due to his use of a combination of psychoactive drugs and a vision deficiency in his left eye, which resulted in a failure to maintain adequate altitude during final approach to landing and subsequent collision with power lines.
- [NTSB WPR14LA142](https://openairdocs.org/ntsb/WPR14LA142.md): Bellanca 17 31 · Salt Lake City, UT · Accident · No injuries · Limited investigation · Final report · Mar 21, 2014 · N28119 · Substantial damage
  > The failure of the right main landing gear extension spring to maintain adequate pressure, which allowed the landing gear to collapse during the landing roll.
- [NTSB WPR09CA143](https://openairdocs.org/ntsb/WPR09CA143.md): Bellanca 17-31ATC · Bakersfield, CA · Accident · No injuries · Data collection · Final report · Mar 6, 2009 · N4134B · Substantial damage
  > The pilot's failure to maintain directional control while 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 ('1220437', '1250032')
    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" = '470' 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/470/sequence?model=1220437

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