| Tail Number / N-Number | N90SS |
| Manufacturer | SKUPIEN STEPHEN J |
| Model | CHRISTEN EAGLE II |
| Manufacturer's Serial Number | SKUPIEN-0001 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Not Type Certificated |
| Number of Seats | 2 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | LYCOMING |
| Engine Model | I0360 SER A&C |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 200 hp (149 kW) |
| Type of Registrant | Individual |
| Owner Name | SKUPIEN STEPHEN J |
| Street | 5401 CLINE HOLLOW RD |
| City | MURRYSVILLE |
| State | PA |
| Zip Code | 15632-9242 |
| Region | Eastern |
| County | Westmoreland County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 1982-10-09 |
| Certificate Issue Date | 2015-06-09 |
| Last Action Date | 2021-03-02 |
| Expiration Date | 2028-06-30 |
| Status | Valid Registration |
| Mode S Code | 53067164 |
| Mode S Code Hex | AC6E74 |