| Tail Number / N-Number | N421FX |
| Manufacturer | EMBRAER S A |
| Model | EMB-545 |
| Year Built | 2018 |
| Manufacturer's Serial Number | 55010041 |
| Aircraft Type | Fixed wing multi engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 11 seats |
| Weight Class | CLASS 3 (20,000+ pounds gross take off weight) |
| Engine Manufacturer | HONEYWELL |
| Engine Model | AS907-3-1E |
| Engine Type | Turbo-fan |
| Number of Engines | 2 engines |
| Thrust per Engine | 7,638 pounds-force (34.0 kN) |
| Total Thrust | 15,276 pounds-force (68.0 kN) |
| Type of Registrant | Co-Ownership |
| Owner Name | FLEXJET LLC |
| Other Names |
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| Street | 26180 CURTISS-WRIGHT PARKWAY |
| City | CLEVELAND |
| State | OH |
| Zip Code | 44143 |
| Region | Great Lakes |
| County | Cuyahoga County |
| Country | US |
| Fractional Ownership | Yes |
| Airworthiness Classification | Standard |
| Airworthiness Date | 2018-08-01 |
| Certificate Issue Date | 2022-08-04 |
| Last Action Date | 2022-08-04 |
| Expiration Date | 2029-08-31 |
| Status | Valid Registration |
| Mode S Code | 51177751 |
| Mode S Code Hex | A4FFE9 |