| Tail Number / N-Number | N55603 |
| Manufacturer | EAA CHAPTER 61 |
| Model | SPORT TRAINER |
| Manufacturer's Serial Number | 1363 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Not 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 | C85 SERIES |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 85 hp (63 kW) |
| Type of Registrant | Individual |
| Owner Name | BRUNING JACK R |
| Street | 920 OLD BRISTOL RD |
| City | NEW HAMPTON |
| State | NH |
| Zip Code | 03256-4324 |
| Region | New England |
| County | Belknap County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 1999-06-23 |
| Certificate Issue Date | 2022-05-20 |
| Last Action Date | 2022-05-20 |
| Expiration Date | 2029-05-31 |
| Status | Valid Registration |
| Mode S Code | 51614051 |
| Mode S Code Hex | A71829 |