| Tail Number / N-Number | N729SK |
| Manufacturer | MILLER STEVE E |
| Model | SPACEWALKER II |
| Manufacturer's Serial Number | 102995 |
| 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 | LYCOMING |
| Engine Model | 0-235 SERIES |
| Engine Type | 4 Cycle |
| Number of Engines | 1 engine |
| Horsepower | 115 hp (86 kW) |
| Type of Registrant | Individual |
| Owner Name | JOHNSON TIMOTHY R |
| Street | 3799 LEMOND RD |
| City | OWATONNA |
| State | MN |
| Zip Code | 55060-5043 |
| Region | Great Lakes |
| County | Steele County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 1997-09-25 |
| Certificate Issue Date | 2019-12-27 |
| Last Action Date | 2022-12-16 |
| Expiration Date | 2029-12-31 |
| Status | Valid Registration |
| Mode S Code | 52343225 |
| Mode S Code Hex | A9C695 |