# Incident 19861004067779I: Bell 206L1, Round Mountain, CA, October 4, 1986

- Type: FAA incident report (Accident/Incident Data System), as reported
- Date: October 4, 1986, 13:00 local time
- Place: Round Mountain, CA
- Damage: Minor damage
- Phase of flight: To Vertical (Helicopter Only)
- Operating rules: Rotorcraft external load (Part 133)
- Location: 40.7975° N, 121.9380° W: Placed by OpenAirDocs: center of Round Mountain, CA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=40.7975&lon=-121.9380&mi=10
- Aircraft: N523RR, a cancelled registration (https://openairdocs.org/deregistered/N523RR-1995-09-28) (OpenAirDocs)
- Registry model: Bell Helicopter Textron 206L-1 (registry code 1182107, https://openairdocs.org/model/bell-helicopter-textron-206l-1) (OpenAirDocs)
- Reported make and model: BELL 206L1
- Reported engine: ALLSN 250C28B
- Fatal injuries: 0
- Pilot flight hours: 8,500 total, 1,000 in this make and model, 300 in the last 90 days
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/19861004067779I

## Narrative

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

WHILE TRANSITIONING TO FORWARD FLIGHT, TURBINE WHEEL FAILED. PILOT DROPPED LOAD AND AUTOROTATED TO LANDING.

## Other reports on N523RR (1)

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

- [Accident 19910726030249A](https://openairdocs.org/incident/19910726030249A), Jul 26, 1991: Bell 206L1 (N523RR), Lake Alpine, CA, Destroyed, 1 fatal. Helicopter developed a fuel leak, crashed.

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.

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