| Tail Number / N-Number | N66EM |
| Manufacturer | MATHERNE EWELL P |
| Model | 582 |
| Manufacturer's Serial Number | 158 |
| 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 | BOMBARDIER |
| Engine Model | ROTAX (ALL) |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Type of Registrant | Individual |
| Owner Name | COX JAMES L JR |
| Street | 170 INWOOD DR |
| City | ROCKDALE |
| State | TX |
| Zip Code | 76567-5257 |
| Region | Southwestern |
| County | Milam County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 1994-04-08 |
| Certificate Issue Date | 2014-10-10 |
| Last Action Date | 2020-05-14 |
| Expiration Date | 2027-10-31 |
| Status | Valid Registration |
| Mode S Code | 52131120 |
| Mode S Code Hex | A8B250 |