| Tail Number / N-Number | N6503Q |
| Manufacturer | ALON |
| Model | A2 |
| Year Built | 1966 |
| Manufacturer's Serial Number | A-103 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 2 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | CONT MOTOR |
| Engine Model | C90 SERIES |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 95 hp (71 kW) |
| Average Cruising Speed | 93 miles per hour |
| Type of Registrant | Individual |
| Owner Name | RATHMANN ARNOLD H |
| Street | 1091 WESTBURY DR |
| City | HOFFMAN ESTATES |
| State | IL |
| Zip Code | 60192-1363 |
| Region | Great Lakes |
| County | Cook County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1966-02-04 |
| Certificate Issue Date | 2016-07-25 |
| Last Action Date | 2022-06-13 |
| Expiration Date | 2029-07-31 |
| Status | Valid Registration |
| Mode S Code | 52107612 |
| Mode S Code Hex | A88F8A |