| Tail Number / N-Number | N421SZ |
| Manufacturer | BOMBARDIER INC |
| Model | BD-700-2A12 |
| Year Built | 2020 |
| Manufacturer's Serial Number | 70062 |
| Aircraft Type | Fixed wing multi engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 22 seats |
| Weight Class | CLASS 3 (20,000+ pounds gross take off weight) |
| Engine Manufacturer | GE |
| Engine Model | PASSPRT 20-19 |
| Engine Type | Turbo-fan |
| Number of Engines | 2 engines |
| Thrust per Engine | 18,920 pounds-force (84.2 kN) |
| Total Thrust | 37,840 pounds-force (168.3 kN) |
| Type of Registrant | Corporation |
| Owner Name | GEX LEASING CORP |
| Street | 5713 S CENTRAL AVE |
| City | CHICAGO |
| State | IL |
| Zip Code | 60638-4562 |
| Region | Great Lakes |
| County | Cook County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 2021-09-30 |
| Certificate Issue Date | 2021-09-30 |
| Last Action Date | 2021-09-30 |
| Expiration Date | 2028-09-30 |
| Status | Valid Registration |
| Mode S Code | 51200376 |
| Mode S Code Hex | A500FE |