| Tail Number / N-Number | N121GC |
| Manufacturer | YAKOVLEV |
| Model | YAK-50 |
| Year Built | 1984 |
| Manufacturer's Serial Number | 842901 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Not Type Certificated |
| Number of Seats | 1 seat |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | AMA/EXPR |
| Engine Model | UNKNOWN ENG |
| Number of Engines | 1 engine |
| Type of Registrant | LLC |
| Owner Name | YAK 50 LLC |
| Street | 12 TIMBER CREEK LN |
| City | NEWARK |
| State | DE |
| Zip Code | 19711-2606 |
| Region | Eastern |
| County | New Castle County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 1996-08-21 |
| Certificate Issue Date | 2011-05-23 |
| Last Action Date | 2023-01-22 |
| Expiration Date | 2027-05-31 |
| Status | Valid Registration |
| Mode S Code | 50054002 |
| Mode S Code Hex | A05802 |