| Tail Number / N-Number | N21PX |
| Manufacturer | PIPISTREL LSA SRL |
| Model | SINUS |
| Year Built | 2013 |
| Manufacturer's Serial Number | 535 SFN 912 LSA |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Light Sport |
| 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) |
| Type of Registrant | Individual |
| Owner Name | ROESKE STANLEY B |
| Street | 987 LYNX LOOP NE |
| City | ALBUQUERQUE |
| State | NM |
| Zip Code | 87122-1313 |
| Region | Southwestern |
| County | Bernalillo County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Light Sport |
| Airworthiness Date | 2013-09-20 |
| Certificate Issue Date | 2023-01-11 |
| Last Action Date | 2023-01-17 |
| Expiration Date | 2030-01-31 |
| Status | Valid Registration |
| Mode S Code | 50334204 |
| Mode S Code Hex | A1B884 |