| Tail Number / N-Number | N539AD |
| Manufacturer | DUNLAP ALLEN J R |
| Model | LONG EZ |
| Year Built | 2003 |
| Manufacturer's Serial Number | 539 |
| 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 | DUNLAP ALLEN J R |
| Street | 21953 KING ALFRED ST |
| City | LEESBURG |
| State | FL |
| Zip Code | 34748-7978 |
| Region | Southern |
| County | Lake County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 2003-05-21 |
| Certificate Issue Date | 1990-10-12 |
| Last Action Date | 2021-05-17 |
| Expiration Date | 2028-07-31 |
| Status | Valid Registration |
| Mode S Code | 51550740 |
| Mode S Code Hex | A6D1E0 |