| Tail Number / N-Number | N83JM |
| Manufacturer | MADSEN JAMES L |
| Model | LONG EZ |
| Year Built | 1994 |
| Manufacturer's Serial Number | LE589 |
| 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 | 0-235 SERIES |
| Engine Type | 4 Cycle |
| Number of Engines | 1 engine |
| Horsepower | 115 hp (86 kW) |
| Type of Registrant | Corporation |
| Owner Name | RUTAN AIRCRAFT FLYING MUSEUM |
| Street | 33222 ROCHEN RD |
| City | WALLER |
| State | TX |
| Zip Code | 77484-7563 |
| Region | Southwestern |
| County | Waller County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 1994-11-18 |
| Certificate Issue Date | 2015-11-06 |
| Last Action Date | 2021-06-20 |
| Expiration Date | 2028-11-30 |
| Status | Valid Registration |
| Mode S Code | 52653325 |
| Mode S Code Hex | AB56D5 |