# Accident 20051110028389A: Bell 47D1, Rancho Murieta, CA, November 10, 2005

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: November 10, 2005, 13:00 local time
- Place: Rancho Murieta, CA
- Damage: Destroyed
- Phase of flight: Fcd/Prec Ldg From Cruise
- Operating rules: General operating rules (Part 91)
- Location: 38.4044° N, 121.0883° W: From the FAA
- Nearby events: https://openairdocs.org/map.md?lat=38.4044&lon=-121.0883&mi=10
- Aircraft: N16356, registered now (https://openairdocs.org/aircraft/N16356) (OpenAirDocs)
- Registry model: Bell 47D1 (registry code 1180802, https://openairdocs.org/model/bell-47d1) (OpenAirDocs)
- Registry engine: Franklin 6V4 series (registry code 27033, https://openairdocs.org/engine/franklin-6v4-series) (OpenAirDocs)
- Reported make and model: BELL 47D1
- Fatal injuries: 0
- Pilot certificates: Student
- Pilot flight hours: 75 total, 75 in this make and model, 25 in the last 90 days
- NTSB investigation: [NTSB LAX06LA030](https://openairdocs.org/ntsb/LAX06LA030) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/20051110028389A

## Narrative

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

(-23) WHILE ON A TRAINING FLIGHT THE STUDENT PILOT EXPERIENCED A VIBRATION IN THE ANTI-TORQUE PEDALS. THIS CHANGED TO AN OSCILLATION (HELICOPTER MOVING FROM SIDE TO SIDE). SHE TURNED INTO THE WIND TO LAND. DURING THE TURN SHE HEARD A LOUD NOISE AND ENTERED INTO AN AUTOROTATION. THE PILOT INPUT FORE AND AFT CYCLIC, WHICH DIDN'T SEEM TO HELP WITH CONTROL OF THE HELICOPTER. ABOUT 35 FEET ABOVE THE GROUND (TREE TOP LEVEL), SHE FLARED THE HELICOPTER. HOWEVER, THE HELICOPTER STARTED TO SPIN TO THE RIGHT, AND SUBSEQUENTLY LANDED HARD. THE PILOT STATED THAT AFTER TOUCHDOWN THE HELICOPTER BOUNCED BACK INTO THE AIR WHERE SHE SAW THE TRANSMISSION FLY OVER THE COCKPIT. THE HELICOPTER THEN STRUCK THE GROUND IN A NOSE DOWN ATTITUDE.

## 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 LAX06LA030](https://openairdocs.org/ntsb/LAX06LA030), Nov 10, 2005: Bell 47D1 (N16356), Rancho Murieta, CA, substantial damage. Probable cause: a separation of the tail rotor assembly due to the reverse bending fatigue fracture of a tail rotor pitch change link bolt, resulting in a loss of control of the helicopter, and a hard landing during…

## Other reports on N16356 (1)

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

- [Incident 20051104028539I](https://openairdocs.org/incident/20051104028539I), Nov 4, 2005: Bell 47D1 (N16356), Rancho Murieta, CA. (-23) On 11/04/2005 the pilot [privacy data omitted] made an emergency landing at the Rancho Murieta Airport due to a broken tail rotor control cable. The…

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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