# Accident 19840912050999A: Agusta A109A, Clifton, AZ, September 12, 1984

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: September 12, 1984, 08:05 local time
- Place: Clifton, AZ
- Airport: Greenlee Co
- Damage: Substantial damage
- Phase of flight: Unknown/Not Reported
- Operating rules: General operating rules (Part 91)
- Location: 33.2703° N, 109.2691° W: From the FAA, an estimate near the named town, within about 3 miles
- Nearby events: https://openairdocs.org/map.md?lat=33.2703&lon=-109.2691&mi=10
- Aircraft: N57BL (not matched to a registry record)
- Reported make and model: AGUSTA A109A
- Reported engine: ALLSN 250C20B
- People aboard: 1
- Fatal injuries: 0
- Pilot flight hours: 7,700 total, 110 in this make and model, 175 in the last 90 days
- NTSB investigation: [NTSB LAX84LA478](https://openairdocs.org/ntsb/LAX84LA478) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/19840912050999A

## Narrative

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

REPORTED SHUT DOWN VIBRATION, TAIL ROTOR STRUCK GROUND. NO DEFECTS FOUND, SOURCE OF VIBRATION UNDETERMINED.

## 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 LAX84LA478](https://openairdocs.org/ntsb/LAX84LA478), Sep 12, 1984: Agusta A109 (N57BL), Clifton, AZ, 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.

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