| Tail Number / N-Number | N503AM |
| Manufacturer | CESSNA |
| Model | 172P |
| Year Built | 1982 |
| Manufacturer's Serial Number | 17275767 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 4 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | LYCOMING |
| Engine Model | 0-320 SERIES |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 180 hp (134 kW) |
| Type of Registrant | LLC |
| Owner Name | ALPHA AVIATION LLC |
| Street | 390 E HENRY ST STE 203 |
| City | SPARTANBURG |
| State | SC |
| Zip Code | 29302-2659 |
| Region | Southern |
| County | Spartanburg County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1982-10-27 |
| Certificate Issue Date | 2006-06-13 |
| Last Action Date | 2020-02-20 |
| Expiration Date | 2027-07-31 |
| Status | Valid Registration |
| Mode S Code | 51442441 |
| Mode S Code Hex | A64521 |