| Tail Number / N-Number | N599RR |
| Manufacturer | PIPISTREL D O O |
| Model | VIRUS SW 121C |
| Manufacturer's Serial Number | VSWX121C0105 |
| 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) |
| Number of Engines | 1 engine |
| Type of Registrant | Corporation |
| Owner Name | MESA AIRLINES INC |
| Street | 410 N 44TH ST STE 700 |
| City | PHOENIX |
| State | AZ |
| Zip Code | 85008-7608 |
| Region | Western-Pacific |
| County | Maricopa County |
| Country | US |
| Fractional Ownership | No |
| Certificate Issue Date | 2022-09-20 |
| Last Action Date | 2022-09-20 |
| Expiration Date | 2029-09-30 |
| Status | Valid Registration |
| Mode S Code | 51740135 |
| Mode S Code Hex | A7C05D |