# Accident 19891110044899A: Bell 47D1, Chino, CA, November 10, 1989

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: November 10, 1989, 14:39 local time
- Place: Chino, CA
- Airport: Chino Airport
- Damage: Substantial damage
- Phase of flight: Pwr Off Run Land (Autorotation
- Operating rules: General operating rules (Part 91)
- Location: 33.9999° N, 117.6798° W: From the FAA, an estimate near the named town, within about 3 miles
- Nearby events: https://openairdocs.org/map.md?lat=33.9999&lon=-117.6798&mi=10
- Aircraft: N6324X (not matched to a registry record)
- Reported make and model: BELL 47D1
- Reported engine: FRNKLN 6V4200*
- People aboard: 1
- Fatal injuries: 0
- Pilot flight hours: 40 total, 40 in this make and model
- NTSB investigation: [NTSB LAX90LA029](https://openairdocs.org/ntsb/LAX90LA029) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/19891110044899A

## Narrative

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

VIBRATION AND PITCH-UP. AUTOROTATED BUT TOUCHED NOSE DOWN IN BERM,NOSED OVER. STABILIZER BAR FAILED. BOGUS ROD NUTS

## 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 LAX90LA029](https://openairdocs.org/ntsb/LAX90LA029), Nov 10, 1989: Bell-Kitz Kopters 47D1 (N6324X), Chino, CA, substantial damage. Probable cause: A FATIGUE FAILURE OF BOTH THE MAIN ROTOR STABILIZER BAR TUBE AND THE TIE ROD. IN ADDITION, THE TIE ROD NUT WAS LOOSE AND DID NOT CONFORM TO ENGINEERING DRAWING SPECIFICATIONS. COMPANY PERSONNEL…

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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