# N84817: 1984 Robinson Helicopter R22 ALPHA, registration cancelled 2013-06-07

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: June 7, 2013
- Status when cancelled: Registration expired, pending cancellation
- Airframe: [Robinson Helicopter R22 ALPHA](https://openairdocs.org/model/robinson-helicopter-r22-alpha) (registry code 7640104)
- 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: 0396
- Year built: 1984
- Type of aircraft: Rotorcraft
- Engine type: Reciprocating
- Airworthiness: Standard, normal
- Airworthiness date: March 23, 1984
- Certificate issued: July 24, 1989
- Last registry action: July 8, 2004
- Mode S code: ABA02C
- Owners when cancelled: [Rex Timothy D](https://openairdocs.org/faa-owner/REX%20TIMOTHY%20D), [Rex Connie L](https://openairdocs.org/faa-owner/REX%20CONNIE%20L)
- Location: [Simi Valley, CA](https://openairdocs.org/faa-place/CA/Simi%20Valley)
- Owner type: Co-owned
- Owner's area on the map: 34.3080° N, 118.6870° W: Placed by OpenAirDocs at the center of ZIP code 93063, within about 3 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N84817
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=84817
- Page: https://openairdocs.org/deregistered/N84817-2013-06-07

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 ALPHA: https://openairdocs.org/model/robinson-helicopter-r22-alpha.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 LAX90LA013](https://openairdocs.org/ntsb/LAX90LA013), Oct 26, 1989: Robinson R22A (N84817), Simi Valley, CA, substantial damage. Probable cause: STUDENT PILOT'S FAILURE TO MAINTAIN THE PROPER ALTITUDE.

## 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 19891026043669A](https://openairdocs.org/incident/19891026043669A), Oct 26, 1989: Robsin R22ALPHA (N84817), Simi Valley, CA, Substantial damage. Student allowed helicopter to touch a skid on ground while drifting sideways during aerial taxi. Caused rollover.

## Other aircraft with N84817

- [Cancelled 1973-12-03](https://openairdocs.org/deregistered/N84817-1973-12-03): Cessna 172K, S/N 17258626, built 1969. Exported to Canada. Owner: [Aerodyne Inc](https://openairdocs.org/faa-owner/AERODYNE%20INC), [Milwaukee, WI](https://openairdocs.org/faa-place/WI/Milwaukee)
- [Cancelled 1954-09-09](https://openairdocs.org/deregistered/N84817-1954-09-09): Aeronca 7AC, S/N 7AC-3534, built 1946. Owner: [Farrar Charles/Porter Bernard M](https://openairdocs.org/faa-owner/FARRAR%20CHARLES%2FPORTER%20BERNARD%20M), [Millington, TN](https://openairdocs.org/faa-place/TN/Millington)

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