| Tail Number / N-Number | N56SR |
| Manufacturer | SEIFERT RICHARD E |
| Model | KR-2 |
| Manufacturer's Serial Number | 4724 |
| 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 | VOLKSWAGEN |
| Engine Model | CONVERSION |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 36 hp (27 kW) |
| Type of Registrant | Individual |
| Owner Name | GRAY DAVID M |
| Street | PO BOX 51221 |
| City | ALBUQUERQUE |
| State | NM |
| Zip Code | 87181-1221 |
| Region | Southwestern |
| County | Bernalillo County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 1986-11-30 |
| Certificate Issue Date | 2020-10-20 |
| Last Action Date | 2020-10-20 |
| Expiration Date | 2027-10-31 |
| Status | Valid Registration |
| Mode S Code | 51623061 |
| Mode S Code Hex | A72631 |