| Tail Number / N-Number | N858KM |
| Manufacturer | BUFLER MICHAEL R |
| Model | BUFLER RV-6 |
| Year Built | 1998 |
| Manufacturer's Serial Number | 21896 |
| 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 | O&VO-360 SER |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 180 hp (134 kW) |
| Type of Registrant | LLC |
| Owner Name | ABSTEN AVIATION LLC |
| Street | 5160 HAUGHN RD |
| City | GROVE CITY |
| State | OH |
| Zip Code | 43123-9533 |
| Region | Great Lakes |
| County | Franklin County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 1998-09-15 |
| Certificate Issue Date | 2019-03-11 |
| Last Action Date | 2021-10-13 |
| Expiration Date | 2029-03-31 |
| Status | Valid Registration |
| Mode S Code | 52742775 |
| Mode S Code Hex | ABC5FD |