# N97CP: 1984 Robinson Helicopter R22 ALPHA, registration cancelled 2014-12-22

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: December 22, 2014
- 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: 0421
- Year built: 1984
- Type of aircraft: Rotorcraft
- Engine type: Reciprocating
- Airworthiness: Standard, normal
- Airworthiness date: June 14, 1984
- Certificate issued: February 3, 2009
- Last registry action: February 3, 2009
- Mode S code: AD818C
- Owner when cancelled: [Siversen Keith R](https://openairdocs.org/faa-owner/SIVERSEN%20KEITH%20R)
- Location: [Farmington, MI](https://openairdocs.org/faa-place/MI/Farmington)
- Owner type: Individual
- Owner's area on the map: 42.4633° N, 83.3481° W: Placed by OpenAirDocs at the center of ZIP code 48336, within about 2 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N97CP
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=97CP
- Page: https://openairdocs.org/deregistered/N97CP-2014-12-22

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

## Service difficulty reports (1)

Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model.

- [SDR 2007FA0001081](https://openairdocs.org/sdr/2007FA0001081), Sep 26, 2007: OIL COOLER. CRACKED. AT A 100 HR INSPECTION ON HELICOPTER, INSTALLED A NEW OIL COOLER REPLACING THE ORIGINAL OIL COOLER. (NOVEMBER 5, 2007, HOUR METER 1042) WHILE FLYING, NOTICED TH

## FAA accident and incident reports (2)

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.

- [Incident 19910810040889I](https://openairdocs.org/incident/19910810040889I), Aug 10, 1991: Robsin R22ALPHA (N97CP), Danbury, CT, Minor damage. Student lifted helicopter to practice hovering. Lost control and collided with ground.
- [Incident 19850525030029I](https://openairdocs.org/incident/19850525030029I), May 25, 1985: Robsin R22ALPHA (N97CP), Florence, SC, Minor damage. Pilot said engine lost power during hover. Hard landing. No engine defects found.

## Other aircraft with N97CP

- [Registered now](https://openairdocs.org/aircraft/N97CP): Cirrus Design SF50, S/N 0035, built 2018

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