# NTSB investigations: Hiller OH-23B, VA

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 ERA15CA059](https://openairdocs.org/ntsb/ERA15CA059.md): Hiller OH 23B · Leesburg, VA · Accident · No injuries · Data collection · Final report · Nov 24, 2014 · N6057 · Substantial damage
  > A loss of tail rotor effectiveness while hovering in gusting crosswind conditions resulting in the student pilot's loss of control of the helicopter. Contributing was the delayed remedial action of the flight instructor.
- [NTSB IAD78FID21](https://openairdocs.org/ntsb/IAD78FID21.md): Hiller Acft UH-12B · Roanoke, VA · Accident · No injuries · Closed · Aug 17, 1978 · N67699 · Substantial damage

## 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."eventStateOrRegion" = 'VA' AND c."eventCountry" = 'USA'
  AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.aircraft_model_code IN ('4360109'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?model=4360109&state=VA

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