# N45SG: 1990 Robinson Helicopter R22 BETA, registration cancelled 2015-05-15

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: May 15, 2015
- 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: 1472
- Year built: 1990
- Type of aircraft: Rotorcraft
- Engine type: Reciprocating
- Airworthiness: Standard, normal
- Airworthiness date: July 12, 1990
- Last registry action: May 15, 2015
- Mode S code: A5715A
- Location: [Xxxx, OK](https://openairdocs.org/faa-place/OK/Xxxx)
- Owner type: Individual
- The mark today: https://openairdocs.org/aircraft/N45SG
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=45SG
- Page: https://openairdocs.org/deregistered/N45SG-2015-05-15

From the FAA registry file of November 4, 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 LAX98LA042](https://openairdocs.org/ntsb/LAX98LA042), Nov 22, 1997: Robinson R22 Beta (N45SG), Long Beach, CA, substantial damage. Probable cause: the flight instructor's failure to thoroughly brief his student on the performance standards of the proposed autorotation and the method to be used for a positive transfer of controls. The student's…

## 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 19971122034239A](https://openairdocs.org/incident/19971122034239A), Nov 22, 1997: Robsin R22BETA (N45SG), Long Beach, CA, Substantial damage. Acft tipped over on its side on landing. Long Beach, CA (.4)during the autorotation, the student allowed the aircraft to descend lower than he had previously…

## Other aircraft with N45SG

- [Registered now](https://openairdocs.org/aircraft/N45SG): David C Morris RV-8, S/N 82626, built 2013

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