| Tail Number / N-Number | N4ZD |
| Manufacturer | EIRIAVION OY |
| Model | PIK 20D |
| Year Built | 1978 |
| Manufacturer's Serial Number | 20620 |
| Aircraft Type | Glider |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 1 seat |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | NONE |
| Engine Model | NONE |
| Number of Engines | 0 engines |
| Type of Registrant | Individual |
| Owner Name | COUSSENS THOMAS |
| Street | 25442 VIA DONA CHRISTA |
| City | VALENCIA |
| State | CA |
| Zip Code | 91355-2707 |
| Region | Western-Pacific |
| County | Los Angeles County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1978-07-14 |
| Certificate Issue Date | 2009-12-23 |
| Last Action Date | 2021-10-12 |
| Expiration Date | 2029-03-31 |
| Status | Valid Registration |
| Mode S Code | 51125062 |
| Mode S Code Hex | A4AA32 |