| Tail Number / N-Number | N51PU |
| Manufacturer | PIPISTREL LSA SRL |
| Model | SINUS |
| Year Built | 2013 |
| Manufacturer's Serial Number | 565 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 | 912UL2 |
| Engine Type | 4 Cycle |
| Number of Engines | 1 engine |
| Horsepower | 80 hp (60 kW) |
| Type of Registrant | Government |
| Owner Name | TRUSTEES OF PURDUE UNIVERSITY |
| Other Names |
|
| Street | ATTN CHIEF INSPECTOR 1581 AVIATION DR HGR6 |
| City | WEST LAFAYETTE |
| State | IN |
| Zip Code | 47907-2001 |
| Region | Great Lakes |
| County | Tippecanoe County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Light Sport |
| Airworthiness Date | 2021-05-05 |
| Certificate Issue Date | 2013-11-04 |
| Last Action Date | 2022-06-15 |
| Expiration Date | 2029-11-30 |
| Status | Valid Registration |
| Mode S Code | 51460156 |
| Mode S Code Hex | A6606E |