| Tail Number / N-Number | N475MS |
| Manufacturer | HELDEBERG DESIGNS |
| Model | BLUE HERON MARATHON |
| Year Built | 2000 |
| Manufacturer's Serial Number | HD00046M |
| Aircraft Type | Powered Parachute |
| Category | Land |
| Builder Certification | Light Sport |
| Number of Seats | 2 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | ROTAX |
| Engine Model | 582ULDCDI-99 |
| Engine Type | 2 Cycle |
| Number of Engines | 1 engine |
| Horsepower | 65 hp (48 kW) |
| Type of Registrant | Individual |
| Owner Name | SULLIVAN MICHAEL R |
| Street | 5990 ROWLEY RD |
| City | WYOMING |
| State | NY |
| Zip Code | 14591-9544 |
| Region | Eastern |
| County | Wyoming County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 2007-11-07 |
| Certificate Issue Date | 2007-09-24 |
| Last Action Date | 2020-11-19 |
| Expiration Date | 2028-04-30 |
| Status | Valid Registration |
| Mode S Code | 51352321 |
| Mode S Code Hex | A5D4D1 |