| Tail Number / N-Number | N421FB |
| Manufacturer | SIAI-MARCHETTI |
| Model | SM 1019 |
| Year Built | 1976 |
| Manufacturer's Serial Number | 57218 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Not Type Certificated |
| Number of Seats | 2 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | ALLISON |
| Engine Model | 250-B15G |
| Engine Type | Turbo-prop |
| Number of Engines | 1 engine |
| Horsepower | 317 hp (236 kW) |
| Type of Registrant | LLC |
| Owner Name | BLUE SKY AIR SERVICES LLC |
| Street | 1209 N ORANGE ST |
| City | WILMINGTON |
| State | DE |
| Zip Code | 19801-1120 |
| Region | Eastern |
| County | New Castle County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 2014-09-04 |
| Certificate Issue Date | 2014-07-16 |
| Last Action Date | 2020-02-26 |
| Expiration Date | 2027-07-31 |
| Status | Valid Registration |
| Mode S Code | 51177725 |
| Mode S Code Hex | A4FFD5 |