| Tail Number / N-Number | N51EU |
| Manufacturer | WILLIAM R HENDERSON JR |
| Model | EUROPA MONOWHEEL CLA |
| Year Built | 2019 |
| Manufacturer's Serial Number | A010 |
| 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 | ROTAX |
| Engine Model | 912ULS SERIES |
| Engine Type | 4 Cycle |
| Number of Engines | 1 engine |
| Horsepower | 100 hp (75 kW) |
| Kit Manufacturer | EUROPA AIRCRAFT |
| Kit Model | MONOWHEEL CLASSIC |
| Type of Registrant | Individual |
| Owner Name | HENDERSON WILLIAM R JR |
| Street | 2518 JOHNSON RD |
| City | LOGANVILLE |
| State | GA |
| Zip Code | 30052-2957 |
| Region | Southern |
| County | Walton County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 2019-04-25 |
| Certificate Issue Date | 2019-01-14 |
| Last Action Date | 2021-08-13 |
| Expiration Date | 2029-01-31 |
| Status | Valid Registration |
| Mode S Code | 51457615 |
| Mode S Code Hex | A65F8D |