# NTSB investigations: Hiller UH-12C: Hard landing

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 MIA93LA032](https://openairdocs.org/ntsb/MIA93LA032.md): Hiller UH-12C · New Smyrna Bch, FL · Accident · No injuries · Limited investigation · Final report · Dec 21, 1992 · N38767 · Substantial damage
  > The pilot-in-command's improper application of cyclic and collective pitch control during an autorotative landing.
- [NTSB MKC89LA016](https://openairdocs.org/ntsb/MKC89LA016.md): Hiller UH-12C · Davenport, IA · Accident · No injuries · Limited investigation · Final report · Oct 26, 1988 · N57FD · Substantial damage
  > While demonstrating an autorotation touchdown, a tailboom strike was experienced. Damage was incurred to the tailboom, the tail rotor drive shaft, and one main rotor blade. The CFI said everthing felt normal during touchdown and believed the soft terrain…

## 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 ('4360116')
    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" = 200))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?model=4360116&occurrence=200

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