| Tail Number / N-Number | N58729 |
| Manufacturer | RYAN AERONAUTICAL |
| Model | ST3KR |
| Year Built | 1941 |
| Manufacturer's Serial Number | 1277 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | 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 | R670-SERIES |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 225 hp (168 kW) |
| Average Cruising Speed | 105 miles per hour |
| Type of Registrant | Individual |
| Owner Name | HAMLIN RICHARD |
| Street | 346 N WEST RD |
| City | WELLINGTON |
| State | KS |
| Zip Code | 67152-8045 |
| Region | Central |
| County | Sumner County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 1981-09-16 |
| Certificate Issue Date | 2007-06-04 |
| Last Action Date | 2020-02-11 |
| Expiration Date | 2027-07-31 |
| Status | Valid Registration |
| Mode S Code | 51711251 |
| Mode S Code Hex | A792A9 |