| Tail Number / N-Number | N406MM |
| Manufacturer | WILLIAMS |
| Model | MM-1 |
| Year Built | 1971 |
| Manufacturer's Serial Number | 559 |
| 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 | CONT MOTOR |
| Engine Model | C85 SERIES |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 85 hp (63 kW) |
| Average Cruising Speed | 112 miles per hour |
| Type of Registrant | Individual |
| Owner Name | KOBI CHRISTOPHER |
| Street | 27008 N AGUA VERDE DR |
| City | RIO VERDE |
| State | AZ |
| Zip Code | 85263-5021 |
| Region | Western-Pacific |
| County | Maricopa County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 1975-11-10 |
| Certificate Issue Date | 2017-02-09 |
| Last Action Date | 2022-09-26 |
| Expiration Date | 2030-02-28 |
| Status | Valid Registration |
| Mode S Code | 51142012 |
| Mode S Code Hex | A4C40A |