| Tail Number / N-Number | N257NV |
| Manufacturer | AIRBUS |
| Model | A320-214 |
| Year Built | 2018 |
| Manufacturer's Serial Number | 8329 |
| Aircraft Type | Fixed wing multi engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 182 seats |
| Weight Class | CLASS 3 (20,000+ pounds gross take off weight) |
| Engine Manufacturer | CFM INTL |
| Engine Model | CFM56-5B4/3 |
| Engine Type | Turbo-fan |
| Number of Engines | 2 engines |
| Thrust per Engine | 27,000 pounds-force (120.1 kN) |
| Total Thrust | 54,000 pounds-force (240.2 kN) |
| Type of Registrant | LLC |
| Owner Name | ALLEGIANT AIR LLC |
| Street | 1201 N TOWN CENTER DR |
| City | LAS VEGAS |
| State | NV |
| Zip Code | 89144-6307 |
| Region | Western-Pacific |
| County | Clark County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 2018-07-19 |
| Certificate Issue Date | 2018-11-16 |
| Last Action Date | 2021-07-15 |
| Expiration Date | 2028-11-30 |
| Status | Valid Registration |
| Mode S Code | 50471277 |
| Mode S Code Hex | A272BF |