# Incident 19810524056129I: Bell 47G5A, Somerton, AZ, May 24, 1981

- Type: FAA incident report (Accident/Incident Data System), as reported
- Date: May 24, 1981, 17:30 local time
- Place: Somerton, AZ
- Damage: Substantial damage
- Phase of flight: Other Ground Ops
- Operating rules: General operating rules (Part 91)
- Location: 32.6018° N, 114.6963° W: Placed by OpenAirDocs: center of Somerton, AZ, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=32.6018&lon=-114.6963&mi=10
- Aircraft: N4099G, a cancelled registration (https://openairdocs.org/deregistered/N4099G-2017-04-04) (OpenAirDocs)
- Registry model: Bell 47G-5A (registry code 1181034, https://openairdocs.org/model/bell-47g-5a) (OpenAirDocs)
- Registry engine: Lycoming VO-435 series (registry code 41525, https://openairdocs.org/engine/lycoming-vo-435-series) (OpenAirDocs)
- Reported make and model: BELL 47G5A
- Fatal injuries: 0
- Pilot flight hours: 987 total, 0 in this make and model, 0 in the last 90 days
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/19810524056129I

## Narrative

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

MECHANIC WAS MAKING ENGINE RUNUP. AIRCRAFT BECAME AIRBORNE AND CRASHED. THE MECHANIC WAS NOT RATED IN HELICOPTER.

## Other reports on N4099G (3)

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

- [Accident 19880918039149A](https://openairdocs.org/incident/19880918039149A), Sep 18, 1988: Bell 47G5A (N4099G), Perris, CA, Substantial damage. Lost tail rotor control on liftoff. Rotor hit ground along side of loader. Engine basket fatigue fractured.
- [Accident 19840801036639A](https://openairdocs.org/incident/19840801036639A), Aug 1, 1984: Bell 47G5A (N4099G), Winterhaven, CA, Substantial damage. Pilot allowed rotor RPM to decrease after lift off, helicopter settled, left skid dug in causing crash.
- [Accident 19750908029459A](https://openairdocs.org/incident/19750908029459A), Sep 8, 1975: Bell 47G5 (N4099G), Chandler, AZ, Substantial damage. Rapid intense vib,lndd in damp soft plowed fld. Skid toes dug in,m/r blade hit t/r drive & boom.

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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