| Tail Number / N-Number | N21YP |
| Manufacturer | R ALEXANDER YOUTH AVN PROGRAM |
| Model | SONEX SPORT TRAINER |
| Manufacturer's Serial Number | 1695 |
| 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 |
| Type of Registrant | Corporation |
| Owner Name | RON ALEXANDER YOUTH AVIATION PROGRAM |
| Street | 349 JONATHANS ROOST RD |
| City | WILLIAMSON |
| State | GA |
| Zip Code | 30292 |
| Region | Southern |
| County | Pike County |
| Country | US |
| Fractional Ownership | No |
| Certificate Issue Date | 2022-10-27 |
| Last Action Date | 2022-10-27 |
| Expiration Date | 2029-10-31 |
| Status | Valid Registration |
| Mode S Code | 50334535 |
| Mode S Code Hex | A1B95D |