Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N503PT.
| Tail Number / N-Number | N503PT |
| Manufacturer | MCDONNELL DOUGLAS |
| Model | DC-9-81(MD-81) |
| Year Built | 1985 |
| Manufacturer's Serial Number | 49281 |
| Aircraft Type | Fixed wing multi engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 116 seats |
| Weight Class | CLASS 3 (20,000+ pounds gross take off weight) |
| Engine Manufacturer | P & W |
| Engine Model | JT8D-217C |
| Engine Type | Turbo-fan |
| Number of Engines | 2 engines |
| Thrust per Engine | 20,000 pounds-force (89.0 kN) |
| Total Thrust | 40,000 pounds-force (177.9 kN) |
| Type of Registrant | Corporation |
| Owner Name | ALLEGIANT AIR LLC |
| Street | 8360 S DURANGO DR |
| City | LAS VEGAS |
| State | NV |
| Zip Code | 89113-4444 |
| Country | US |
| Airworthiness Classification | Standard |
| Airworthiness Date | 2009-12-03 |
| Certificate Issue Date | 2009-12-01 |
| Last Action Date | 2009-12-01 |
| Last Status | First Notice for Re-Registration/Renewal |
| Cancellation Date | 2013-01-09 |
| Mode S Code | 51443154 |
| Mode S Code Hex | A6466C |