| Tail Number / N-Number | N66YX |
| Manufacturer | HALL WILLIAM B |
| Model | SONEX WAIEX |
| Manufacturer's Serial Number | 117 |
| 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) |
| Number of Engines | 1 engine |
| Kit Manufacturer | SONEX AIRCRAFT LLC |
| Kit Model | WAIEX |
| Type of Registrant | Individual |
| Owner Name | HALL WILLIAM B |
| Street | 879 ECTOR CHASE NW |
| City | KENNESAW |
| State | GA |
| Zip Code | 30152-4788 |
| Region | Southern |
| County | Cobb County |
| Country | US |
| Fractional Ownership | No |
| Certificate Issue Date | 2020-07-15 |
| Last Action Date | 2020-07-15 |
| Expiration Date | 2027-07-31 |
| Status | Valid Registration |
| Mode S Code | 52132034 |
| Mode S Code Hex | A8B41C |