| Tail Number / N-Number | N121TX |
| Manufacturer | CIRRUS DESIGN CORP |
| Model | SF50 |
| Year Built | 2019 |
| Manufacturer's Serial Number | 0157 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 7 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | WILLIAMS |
| Engine Model | FJ33-5A |
| Engine Type | Turbo-fan |
| Number of Engines | 1 engine |
| Thrust | 2,000 pounds-force (8.9 kN) |
| Type of Registrant | LLC |
| Owner Name | SF50-157 LLC |
| Street | 1800 GUADALUPE ST |
| City | AUSTIN |
| State | TX |
| Zip Code | 78701-1217 |
| Region | Southwestern |
| County | Travis County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 2019-10-30 |
| Certificate Issue Date | 2019-12-10 |
| Last Action Date | 2022-07-11 |
| Expiration Date | 2029-12-31 |
| Status | Valid Registration |
| Mode S Code | 50054450 |
| Mode S Code Hex | A05928 |