| Tail Number / N-Number | N121WM |
| Manufacturer | BELLANCA |
| Model | 8KCAB-180 |
| Year Built | 1980 |
| Manufacturer's Serial Number | 638-80 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | 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 | AEIO-360 SER |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 180 hp (134 kW) |
| Type of Registrant | Individual |
| Owner Name | GERKEN DAVID |
| Street | 4046 TRIANGLE RD |
| City | MARIPOSA |
| State | CA |
| Zip Code | 95338-9031 |
| Region | Western-Pacific |
| County | Mariposa County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1980-03-27 |
| Certificate Issue Date | 2019-10-15 |
| Last Action Date | 2022-08-30 |
| Expiration Date | 2029-10-31 |
| Status | Valid Registration |
| Mode S Code | 50054551 |
| Mode S Code Hex | A05969 |