# NTSB investigations: Hiller UH-12D: In flight collision with object

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 SEA94LA037](https://openairdocs.org/ntsb/SEA94LA037.md): Hiller UH-12D · Sublimity, OR · Accident · No injuries · Limited investigation · Final report · Nov 26, 1993 · N59366 · Substantial damage
  > The pilot's failure to maintain clearance from unmarked transmission wires. Factors include the pilot's inadequate visual lookout, and unmarked wires in the area of operation.
- [NTSB SEA87LA186](https://openairdocs.org/ntsb/SEA87LA186.md): Hiller UH-12E · Quincy, WA · Accident · Serious injuries · Limited investigation · Final report · Sep 12, 1987 · N8QA · Destroyed
  > During an aerial application maneuver the pilot flew into two 23,000 volt powerlines. The helicopter's rotor blades struck the powerlines, the aircraft turned to the right and descended to the ground.
- [NTSB MKC83FA114](https://openairdocs.org/ntsb/MKC83FA114.md): Hiller UH-12E · Troy, KS · Accident · Serious injuries · Field investigation · Final report · May 24, 1983 · N3GK · Destroyed
  > The acft collided with a powerline while the pilot was locating a field to spray at a later date. The pilot saw telephone lines and flew over them but hit the powerlines which were 20 feet higher. The skids caught the wires and the helicopter nosed down,…
- [NTSB SEA82FYM11](https://openairdocs.org/ntsb/SEA82FYM11.md): Hiller UH-12E · Mount Angle, OR · Accident · Minor injuries · Final report · Mar 8, 1982 · N59366 · Destroyed
  > The aircraft was being used on an external load operation. On his fourth load, the pilot was to transport a 1190 lb electric pump and fan from the back of a pickup truck. While preparing to lift the load, the pilot was not satisfied with its position. He…

## 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 ('4360118')
    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" = 220))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?model=4360118&occurrence=220

---
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.
