| Tail Number / N-Number | N503MS |
| Manufacturer | KOLB AIRCRAFT |
| Model | FIRESTAR II |
| Year Built | 2001 |
| Manufacturer's Serial Number | FS00 4 0052 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Light Sport |
| Number of Seats | 1 seat |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | ROTAX |
| Engine Model | 503 DCDI |
| Engine Type | 2 Cycle |
| Number of Engines | 1 engine |
| Horsepower | 52 hp (39 kW) |
| Type of Registrant | Individual |
| Owner Name | SCHNABEL MICHAEL |
| Street | PO BOX 188 |
| City | MANCHESTER |
| State | TN |
| Zip Code | 37355 |
| Region | Central |
| County | Coffee County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 2007-10-20 |
| Certificate Issue Date | 2007-08-29 |
| Last Action Date | 2021-01-10 |
| Expiration Date | 2028-02-29 |
| Status | Valid Registration |
| Mode S Code | 51443071 |
| Mode S Code Hex | A64639 |