| Tail Number / N-Number | N409MM |
| Manufacturer | RUBLE |
| Model | BUSHBY MUSTANG M-II |
| Year Built | 1981 |
| Manufacturer's Serial Number | 154 |
| 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 | 0-320 SERIES |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 180 hp (134 kW) |
| Type of Registrant | Individual |
| Owner Name | CUBILLO AUGUST |
| Street | 3100 PEPPERRIDGE DR |
| City | ANTELOPE |
| State | CA |
| Zip Code | 95843-4311 |
| Region | Western-Pacific |
| County | Sacramento County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 1982-11-22 |
| Certificate Issue Date | 2008-12-03 |
| Last Action Date | 2022-06-22 |
| Expiration Date | 2029-07-31 |
| Status | Valid Registration |
| Mode S Code | 51147457 |
| Mode S Code Hex | A4CF2F |