| Tail Number / N-Number | N921S |
| Manufacturer | AEROPRO CZ |
| Model | A220 |
| Year Built | 2012 |
| Manufacturer's Serial Number | 36112 |
| 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 | MERVAU STEVEN MICHAEL |
| Street | 824 FERNBROOK CT |
| City | VACAVILLE |
| State | CA |
| Zip Code | 95687-7874 |
| Region | Western-Pacific |
| County | Solano County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 2017-10-23 |
| Certificate Issue Date | 2017-06-27 |
| Last Action Date | 2023-01-22 |
| Expiration Date | 2027-06-30 |
| Status | Valid Registration |
| Mode S Code | 53141561 |
| Mode S Code Hex | ACC371 |