| Tail Number / N-Number | N21WC |
| Manufacturer | BROWNE-CURD |
| Model | EAA ACROSPORT |
| Year Built | 1974 |
| Manufacturer's Serial Number | 76 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Not Type Certificated |
| Number of Seats | 1 seat |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | LYCOMING |
| Engine Model | O&VO-360 SER |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 180 hp (134 kW) |
| Average Cruising Speed | 85 miles per hour |
| Type of Registrant | LLC |
| Owner Name | N21WC LLC |
| Street | 3291 MADISON AVE |
| City | INDIANAPOLIS |
| State | IN |
| Zip Code | 46227-1127 |
| Region | Great Lakes |
| County | Marion County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 1978-06-06 |
| Certificate Issue Date | 2020-03-24 |
| Last Action Date | 2023-01-22 |
| Expiration Date | 2027-03-31 |
| Status | Valid Registration |
| Mode S Code | 50334440 |
| Mode S Code Hex | A1B920 |