| Tail Number / N-Number | N503NK |
| Manufacturer | AIRBUS |
| Model | A319-132 |
| Manufacturer's Serial Number | 2470 |
| Aircraft Type | Fixed wing multi engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 179 seats |
| Weight Class | CLASS 3 (20,000+ pounds gross take off weight) |
| Number of Engines | 2 engines |
| Type of Registrant | Corporation |
| Owner Name | SPIRIT AIRLINES INC |
| Street | 2800 EXECUTIVE WAY |
| City | MIRAMAR |
| State | FL |
| Zip Code | 33025-6542 |
| Region | Southern |
| County | Broward County |
| Country | US |
| Fractional Ownership | No |
| Certificate Issue Date | 2018-05-22 |
| Last Action Date | 2021-04-05 |
| Expiration Date | 2028-05-31 |
| Status | Valid Registration |
| Mode S Code | 51443113 |
| Mode S Code Hex | A6464B |