| Tail Number / N-Number | N121CR |
| Manufacturer | HEISDORFFER ROGER |
| Model | GLASAIR |
| Manufacturer's Serial Number | 418 |
| 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 | 0-320 SERIES |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 180 hp (134 kW) |
| Type of Registrant | Individual |
| Owner Name | MAXSON LEE V |
| Street | 7825 E MCDOWELL RD |
| City | MESA |
| State | AZ |
| Zip Code | 85207-1224 |
| Region | Western-Pacific |
| County | Maricopa County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 1983-07-29 |
| Certificate Issue Date | 2022-07-21 |
| Last Action Date | 2022-07-21 |
| Expiration Date | 2029-07-31 |
| Status | Valid Registration |
| Mode S Code | 50053653 |
| Mode S Code Hex | A057AB |