| Tail Number / N-Number | N921GR |
| Manufacturer | YAKOVLEV |
| Model | YAK-55M |
| Year Built | 1993 |
| Manufacturer's Serial Number | 930809 |
| 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 | Individual |
| Owner Name | SORENSON MARK |
| Street | 8455 HIGHWAY 16 |
| City | SENOIA |
| State | GA |
| Zip Code | 30276-3140 |
| Region | Southern |
| County | Coweta County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 2006-05-03 |
| Certificate Issue Date | 2005-12-29 |
| Last Action Date | 2021-11-20 |
| Expiration Date | 2029-04-30 |
| Status | Valid Registration |
| Mode S Code | 53141207 |
| Mode S Code Hex | ACC287 |