| Tail Number / N-Number | N521NG |
| Manufacturer | AIRPLANE FACTORY (PTY) LTD |
| Model | SLING LSA |
| Year Built | 2016 |
| Manufacturer's Serial Number | 217 |
| 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 | 912 IS |
| Engine Type | 4 Cycle |
| Number of Engines | 1 engine |
| Horsepower | 100 hp (75 kW) |
| Type of Registrant | LLC |
| Owner Name | AEROSPORT LLC |
| Street | 1201 LANCE DR |
| City | TWIN LAKES |
| State | WI |
| Zip Code | 53181-9651 |
| Region | Great Lakes |
| County | Kenosha County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Light Sport |
| Airworthiness Date | 2016-07-18 |
| Certificate Issue Date | 2016-09-19 |
| Last Action Date | 2022-05-17 |
| Expiration Date | 2029-09-30 |
| Status | Valid Registration |
| Mode S Code | 51506730 |
| Mode S Code Hex | A68DD8 |