| Tail Number / N-Number | N121CZ |
| Manufacturer | EMBRAER |
| Model | EMB-120ER |
| Year Built | 1999 |
| Manufacturer's Serial Number | 120350 |
| Aircraft Type | Fixed wing multi engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 32 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | P&W CANADA |
| Engine Model | PW118 |
| Engine Type | Turbo-prop |
| Number of Engines | 2 engines |
| Horsepower per Engine | 1,800 hp (1,343 kW) |
| Total Horsepower | 3,600 hp (2,686 kW) |
| Type of Registrant | LLC |
| Owner Name | N121CZ LLC |
| Street | 6024 S JASPER AVE |
| City | MILWAUKEE |
| State | WI |
| Zip Code | 53207-6205 |
| Region | Great Lakes |
| County | Milwaukee County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1999-05-28 |
| Certificate Issue Date | 2019-07-26 |
| Last Action Date | 2022-02-23 |
| Expiration Date | 2029-07-31 |
| Status | Valid Registration |
| Mode S Code | 50053663 |
| Mode S Code Hex | A057B3 |