# Accident 19840510017189A: Hiller STCUH12, Delano, CA, May 10, 1984

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: May 10, 1984, 11:00 local time
- Place: Delano, CA
- Damage: Substantial damage
- Phase of flight: Low Level Operations
- Operating rules: Agricultural (Part 137)
- Location: 35.7796° N, 119.2307° W: From the FAA, an estimate near the named town, within about 3 miles
- Nearby events: https://openairdocs.org/map.md?lat=35.7796&lon=-119.2307&mi=10
- Aircraft: N90461, a cancelled registration (https://openairdocs.org/deregistered/N90461-2013-05-17) (OpenAirDocs)
- Registry model: Hiller UH-12L4 (registry code 4360128, https://openairdocs.org/model/hiller-uh-12l4) (OpenAirDocs)
- Registry engine: Lycoming VO-540 series (registry code 41534, https://openairdocs.org/engine/lycoming-vo-540-series) (OpenAirDocs)
- Reported make and model: HILLER STCUH12
- Reported engine: ALLSN 250C20B
- Fatal injuries: 0
- Pilot flight hours: 7,000 total, 623 in this make and model, 162 in the last 90 days
- NTSB investigation: [NTSB LAX84LA294](https://openairdocs.org/ntsb/LAX84LA294) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/19840510017189A

## Narrative

As the FAA filed it, in capitals; the FAA replaces private details with ^PRIVACY DATA OMITTED^.

ENGINE MOUNTS FAILED DURING A SPRAY RUN. FORCED COLLECTIVE UP AND HELICOPTER LANDED IN THE GRAPE ARBOR.

## The NTSB's investigation of this event (1)

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [NTSB LAX84LA294](https://openairdocs.org/ntsb/LAX84LA294), May 10, 1984: Hiller UH-12E (Soloy) (N90461), Delano, CA, substantial damage

## Other reports on N90461 (2)

Matched to the same aircraft by N-number and date.

- [Accident 19940820022479A](https://openairdocs.org/incident/19940820022479A), Aug 20, 1994: Hiller UH12L4 (N90461), Bakersfield, CA, Destroyed. Unoccupied and running, caught fire, aircraft was on a truck receiving a rinse load.
- [Accident 19770701016829A](https://openairdocs.org/incident/19770701016829A), Jul 1, 1977: Hiller UH12L4 (N90461), Bishop, CA, Substantial damage

From the FAA Accident/Incident Data System. Reports are matched to registry aircraft by N-number and event date, checked against the reported make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model. For accidents, the NTSB's own investigation is the fuller record.

---
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.
