| Tail Number / N-Number | N304J |
| Manufacturer | HPH SPOL SRO KUTNA HORA |
| Model | GLASFLUGEL 304S |
| Manufacturer's Serial Number | 011-S |
| Aircraft Type | Glider |
| 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) |
| Number of Engines | 0 engines |
| Type of Registrant | Individual |
| Owner Name | ARMSTRONG PAUL W |
| Street | PO BOX 532 |
| City | MONTAGUE |
| State | CA |
| Zip Code | 96064-0532 |
| Region | Western-Pacific |
| County | Siskiyou County |
| Country | US |
| Fractional Ownership | No |
| Certificate Issue Date | 2021-11-18 |
| Last Action Date | 2021-11-18 |
| Expiration Date | 2028-11-30 |
| Status | Valid Registration |
| Mode S Code | 50627366 |
| Mode S Code Hex | A32EF6 |