# Accident 19750908029459A: Bell 47G5, Chandler, AZ, September 8, 1975

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: September 8, 1975
- Place: Chandler, AZ
- Damage: Substantial damage
- Phase of flight: Fcd/Prec Ldg From Cruise
- Location: 33.3062° N, 111.8413° W: Placed by OpenAirDocs: center of Chandler, AZ, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=33.3062&lon=-111.8413&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 47G5
- Fatal injuries: 0
- Pilot flight hours: 3,635 total, 8,006 in this make and model, 160 in the last 90 days
- NTSB investigation: [NTSB LAX76DUJ29](https://openairdocs.org/ntsb/LAX76DUJ29) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/19750908029459A

## Narrative

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

RAPID INTENSE VIB,LNDD IN DAMP SOFT PLOWED FLD. SKID TOES DUG IN,M/R BLADE HIT T/R DRIVE & BOOM.

## 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 LAX76DUJ29](https://openairdocs.org/ntsb/LAX76DUJ29), Sep 8, 1975: Bell 47G-5 (N4099G), Chandler, AZ, substantial damage

## 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.
- [Incident 19810524056129I](https://openairdocs.org/incident/19810524056129I), May 24, 1981: Bell 47G5A (N4099G), Somerton, AZ, Substantial damage. Mechanic was making engine runup. Aircraft became airborne and crashed. The mechanic was not rated in helicopter.

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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