| Tail Number / N-Number | N21NS |
| Manufacturer | NEMYO THOMAS |
| Model | SA 300 |
| Year Built | 1988 |
| Manufacturer's Serial Number | 422 |
| 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 | LYCOMING |
| Engine Model | 0-320 SERIES |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 180 hp (134 kW) |
| Type of Registrant | Individual |
| Owner Name | LUND WILLIAM R |
| Street | 3321 VIA LOMA VISTA |
| City | ESCONDIDO |
| State | CA |
| Zip Code | 92029 |
| Region | Western-Pacific |
| County | San Diego County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 1988-06-02 |
| Certificate Issue Date | 2006-06-20 |
| Last Action Date | 2020-07-12 |
| Expiration Date | 2027-12-31 |
| Status | Valid Registration |
| Mode S Code | 50334146 |
| Mode S Code Hex | A1B866 |