| Tail Number / N-Number | N136MM |
| Manufacturer | HEFEL LYLE L |
| Model | VANS ACFT RV-6 |
| Year Built | 1993 |
| Manufacturer's Serial Number | 21718 |
| 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 | Individual |
| Owner Name | WITHERSPOON THOMAS A |
| Street | 7337 APPLEGATE DR |
| City | ZEPHYRHILLS |
| State | FL |
| Zip Code | 33540-1033 |
| Region | Southern |
| County | Pinellas County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 1999-10-19 |
| Certificate Issue Date | 2009-12-16 |
| Last Action Date | 2021-11-04 |
| Expiration Date | 2029-02-28 |
| Status | Valid Registration |
| Mode S Code | 50111232 |
| Mode S Code Hex | A0929A |