| Tail Number / N-Number | N506D |
| Manufacturer | KOLSTAD DAVID L |
| Model | VARIEZE |
| Year Built | 1982 |
| Manufacturer's Serial Number | 2027 |
| 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 | 0-235 SERIES |
| Engine Type | 4 Cycle |
| Number of Engines | 1 engine |
| Horsepower | 115 hp (86 kW) |
| Type of Registrant | Individual |
| Owner Name | KOLSTAD DAVID L |
| Street | 8860 SHOSHONE AVE |
| City | NORTHRIDGE |
| State | CA |
| Zip Code | 91325 |
| Region | Western-Pacific |
| County | Los Angeles County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 1998-07-22 |
| Certificate Issue Date | 1982-06-16 |
| Last Action Date | 2020-05-22 |
| Expiration Date | 2027-10-31 |
| Status | Valid Registration |
| Mode S Code | 51450205 |
| Mode S Code Hex | A65085 |