| Tail Number / N-Number | N503MM |
| Manufacturer | SYKES GREGORY |
| Model | MINI-MAX |
| Year Built | 1994 |
| Manufacturer's Serial Number | 001 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Not Type Certificated |
| Number of Seats | 1 seat |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | BOMBARDIER |
| Engine Model | ROTAX (ALL) |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Type of Registrant | Individual |
| Owner Name | SYKES GREGORY R |
| Street | 6557 NOFFKE DR |
| City | CALEDONIA |
| State | MI |
| Zip Code | 49316-8810 |
| Region | Great Lakes |
| County | Barry County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 1995-09-13 |
| Certificate Issue Date | 1994-05-13 |
| Last Action Date | 2022-11-15 |
| Expiration Date | 2030-04-30 |
| Status | Valid Registration |
| Mode S Code | 51443064 |
| Mode S Code Hex | A64634 |