# N4079S: 1991 Robinson Helicopter R22 BETA, registration cancelled 2003-03-05

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: March 5, 2003
- Exported to: Australia
- Status when cancelled: Sale reported
- Airframe: [Robinson Helicopter R22 BETA](https://openairdocs.org/model/robinson-helicopter-r22-beta) (registry code 7640110)
- Engine: [Lycoming 0-320 series](https://openairdocs.org/engine/lycoming-0-320-series) (registry code 41508)
- Data sheets: [TCDS H10WE](https://openairdocs.org/tcds/H10WE), [TCDS E-274](https://openairdocs.org/tcds/E-274) (OpenAirDocs)
- Serial number: 1784
- Year built: 1991
- Type of aircraft: Rotorcraft
- Engine type: Reciprocating
- Airworthiness: Standard, normal
- Airworthiness date: May 3, 1991
- Last registry action: January 27, 2003
- Mode S code: A4CA46
- Location: Bankstown Airport, Australia
- Owner type: Individual
- The mark today: https://openairdocs.org/aircraft/N4079S
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=4079S
- Page: https://openairdocs.org/deregistered/N4079S-2003-03-05

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 Robinson Helicopter R22 BETA: https://openairdocs.org/model/robinson-helicopter-r22-beta.md

## NTSB investigations (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 LAX92LA385](https://openairdocs.org/ntsb/LAX92LA385), Sep 14, 1992: Robinson R22 (N4079S), Ojai, CA, substantial damage. Probable cause: THE PILOT'S FAILURE TO MAINTAIN ADEQUATE MAIN ROTOR RPM TO CUSHION THE LANDING. CONTRIBUTING TO THE ACCIDENT WAS THE LOSS OF ENGINE POWER FOR UNDETERMINED REASONS AND THE EXISTING HIGH DENSITY…

## FAA accident and incident reports (1)

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 19920914036629A](https://openairdocs.org/incident/19920914036629A), Sep 14, 1992: Robsin R22BETA (N4079S), Ojai, CA, Substantial damage. Reported engine quit during practice autorotation. Landed hard chopping off tailboom.

## Other aircraft with N4079S

- [Cancelled (date not recorded)](https://openairdocs.org/deregistered/N4079S-undated): Beech V35B, S/N D9727. N-number assigned, not yet registered

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.