# Incident 19860412021889I: Bell UH1B, Turlock, CA, April 12, 1986

- Type: FAA incident report (Accident/Incident Data System), as reported
- Date: April 12, 1986, 10:00 local time
- Place: Turlock, CA
- Damage: Minor damage
- Phase of flight: Pwr Off Run Land (Autorotation
- Operating rules: Agricultural (Part 137)
- Location: 37.5055° N, 120.8593° W: Placed by OpenAirDocs: center of Turlock, CA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=37.5055&lon=-120.8593&mi=10
- Aircraft: N3979C, a cancelled registration (https://openairdocs.org/deregistered/N3979C-2014-12-02) (OpenAirDocs)
- Registry model: Bell UH-1B (registry code 1181410, https://openairdocs.org/model/bell-uh-1b) (OpenAirDocs)
- Registry engine: Lycoming T-53 series (registry code 41549, https://openairdocs.org/engine/lycoming-t-53-series) (OpenAirDocs)
- Reported make and model: BELL UH1B
- Reported engine: LYC T53L11D
- Fatal injuries: 0
- Pilot flight hours: 28,000 total, 5,500 in this make and model, 90 in the last 90 days
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/19860412021889I

## Narrative

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

FOLLOWING SPRAY RUN AIRCRAFT LOST RPM. DAMAGE TO CROSS TUBE AND ROTOR. HOT SECTION HAD FAILED.

## Other reports on N3979C (1)

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

- [Accident 19930923036609A](https://openairdocs.org/incident/19930923036609A), Sep 23, 1993: Bell UH1B (N3979C), Pierce, ID, Substantial damage. 90 Degree gear box separated from helicopter. Landed hard during run on landing. Chopped tail. Attach bolts broke.

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.
