| Tail Number / N-Number | N121WB |
| Manufacturer | SHAW B BRADFORD |
| Model | KOLB MARK III |
| Manufacturer's Serial Number | M3-040 |
| 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 | BOMBARDIER |
| Engine Model | ROTAX (ALL) |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Type of Registrant | Individual |
| Owner Name | RANDALL JOHN J |
| Street | PO BOX 5192 |
| City | ETNA |
| State | WY |
| Zip Code | 83118-0192 |
| Region | Northwest Mountain |
| County | Lincoln County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 1993-07-07 |
| Certificate Issue Date | 2022-06-18 |
| Last Action Date | 2022-06-18 |
| Expiration Date | 2029-06-30 |
| Status | Valid Registration |
| Mode S Code | 50054537 |
| Mode S Code Hex | A0595F |