# N4099G: 1968 Bell 47G-5A, registration cancelled 2017-04-04

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: April 4, 2017
- Status when cancelled: Registration expired, pending cancellation
- Airframe: [Bell 47G-5A](https://openairdocs.org/model/bell-47g-5a) (registry code 1181034)
- Engine: [Lycoming VO-435 series](https://openairdocs.org/engine/lycoming-vo-435-series) (registry code 41525)
- Data sheets: [TCDS 2H3](https://openairdocs.org/tcds/2H3), [TCDS E-279](https://openairdocs.org/tcds/E-279) (OpenAirDocs)
- Serial number: 7909
- Year built: 1968
- Type of aircraft: Rotorcraft
- Engine type: Reciprocating
- Airworthiness: Standard, normal
- Airworthiness date: January 3, 1978
- Certificate issued: May 27, 1981
- Last registry action: December 15, 2000
- Mode S code: A4D1AA
- Owner when cancelled: [Rio Verde Helicopters Inc](https://openairdocs.org/faa-owner/RIO%20VERDE%20HELICOPTERS%20INC)
- Location: [Yuma, AZ](https://openairdocs.org/faa-place/AZ/Yuma)
- Owner type: Corporation
- Owner's area on the map: 32.7046° N, 114.6563° W: Placed by OpenAirDocs at the center of ZIP code 85364, within about 3 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N4099G
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=4099G
- Page: https://openairdocs.org/deregistered/N4099G-2017-04-04

From the FAA registry file of October 29, 2026, cancelled registrations. Owners' street addresses are left out. The Mode S code belongs to the N-number, not the airframe.

ADs and bulletins for the Bell 47G-5A: https://openairdocs.org/model/bell-47g-5a.md

## NTSB investigations (3)

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 LAX88DUG07](https://openairdocs.org/ntsb/LAX88DUG07), Sep 18, 1988: Bell 47G-5A (N4099G), Perris, CA, substantial damage
- [NTSB LAX84LA424](https://openairdocs.org/ntsb/LAX84LA424), Aug 1, 1984: Bell 47G-5A (N4099G), Winterhaven, CA, substantial damage
- [NTSB LAX76DUJ29](https://openairdocs.org/ntsb/LAX76DUJ29), Sep 8, 1975: Bell 47G-5 (N4099G), Chandler, AZ, substantial damage

## FAA accident and incident reports (4)

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.

- [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.
- [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.

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