| Tail Number / N-Number | N521V |
| Manufacturer | J DENNIS VANATTA |
| Model | GLASAIR SPORTSMAN |
| Year Built | 2016 |
| Manufacturer's Serial Number | 7204 |
| 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 | AEROSPORT |
| Engine Model | IO-375-B1B |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 205 hp (153 kW) |
| Kit Manufacturer | GLASAIR AVIATION USA LLC |
| Kit Model | SPORTSMAN GS-2 |
| Type of Registrant | Individual |
| Owner Name | VANATTA J DENNIS |
| Street | 4660 163RD ST E |
| City | FARIBAULT |
| State | MN |
| Zip Code | 55021-8372 |
| Region | Great Lakes |
| County | Rice County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 2016-04-27 |
| Certificate Issue Date | 2014-02-05 |
| Last Action Date | 2022-09-29 |
| Expiration Date | 2030-02-28 |
| Status | Valid Registration |
| Mode S Code | 51507200 |
| Mode S Code Hex | A68E80 |