# N8475A: 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: 0389
- Year built: 1984
- Type of aircraft: Rotorcraft
- Engine type: Reciprocating
- Airworthiness: Standard, normal
- Airworthiness date: February 28, 1984
- Certificate issued: March 16, 1987
- Last registry action: June 3, 1994
- Mode S code: AB9CE2
- Owner when cancelled: [Helicopter Adventures Inc](https://openairdocs.org/faa-owner/HELICOPTER%20ADVENTURES%20INC)
- Location: [Concord, CA](https://openairdocs.org/faa-place/CA/Concord)
- Owner type: Corporation
- Owner's area on the map: 37.9542° N, 122.0763° W: Placed by OpenAirDocs at the center of ZIP code 94523, within about a mile (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N8475A
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=8475A
- Page: https://openairdocs.org/deregistered/N8475A-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 LAX88FA032](https://openairdocs.org/ntsb/LAX88FA032), Nov 3, 1987: Robinson R22A (N8475A), Moraga, CA, destroyed, 2 fatal. Probable cause: A DIVERGENCE OF THE MAIN ROTOR FROM ITS NORMAL PLANE OF ROTATION FOR AN UNDETERMINED REASON, WHICH RESULTED IN ROTOR CONTACT WITH THE COCKPIT AREA.

## 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 19871103061769A](https://openairdocs.org/incident/19871103061769A), Nov 3, 1987: Robsin R22ALPHA (N8475A), Moraga, CA, Destroyed, 2 fatal. Main rotor blade struck the cockpit and shattered inflight during possible engine out practice and rotor RPM decay.

## Other aircraft with N8475A

- [Cancelled 1981-05-22](https://openairdocs.org/deregistered/N8475A-1981-05-22): Messerschmitt-Boelkow-Blohm BO-105S, S/N S-457. Exported to Mexico. Owner: [Mbb Helicopter Corp](https://openairdocs.org/faa-owner/MBB%20HELICOPTER%20CORP), [West Chester, PA](https://openairdocs.org/faa-place/PA/West%20Chester)

---
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.