| Tail Number / N-Number | N9973R |
| Manufacturer | HELLER SYLVESTER K |
| Model | ACRO SPORT |
| Year Built | 1982 |
| Manufacturer's Serial Number | 898 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Not Type Certificated |
| Number of Seats | 1 seat |
| 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 | HELLER KURT L |
| Street | PO BOX 949 |
| City | WILLOW |
| State | AK |
| Zip Code | 99688-0949 |
| Region | Alaskan |
| County | Matanuska-Susitna Borough |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 1982-10-29 |
| Certificate Issue Date | 2007-08-02 |
| Last Action Date | 2020-11-18 |
| Expiration Date | 2028-04-30 |
| Status | Valid Registration |
| Mode S Code | 53367565 |
| Mode S Code Hex | ADEF75 |