| Tail Number / N-Number | N9728Z |
| Manufacturer | GRAVANCE |
| Model | PRUE STANDARD |
| Year Built | 1962 |
| Manufacturer's Serial Number | 2 |
| 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) |
| Engine Manufacturer | NONE |
| Engine Model | NONE |
| Number of Engines | 0 engines |
| Average Cruising Speed | 60 miles per hour |
| Type of Registrant | Individual |
| Owner Name | KNERR JOSHUA D |
| Street | 610 AVIATION ST |
| City | SHAFTER |
| State | CA |
| Zip Code | 93263-4100 |
| Region | Western-Pacific |
| County | Kern County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 2022-03-18 |
| Certificate Issue Date | 2021-05-12 |
| Last Action Date | 2021-05-12 |
| Expiration Date | 2028-05-31 |
| Status | Valid Registration |
| Mode S Code | 53307233 |
| Mode S Code Hex | AD8E9B |