| Tail Number / N-Number | N258R |
| Manufacturer | AS+ LTD |
| Model | AC 4 |
| Manufacturer's Serial Number | 030 |
| 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 | WHITE RON S |
| Street | 1510 MAGNOLIA AVE |
| City | CARLSBAD |
| State | CA |
| Zip Code | 92008-2624 |
| Region | Western-Pacific |
| County | San Diego County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 1998-02-10 |
| Certificate Issue Date | 2020-12-14 |
| Last Action Date | 2020-12-14 |
| Expiration Date | 2027-12-31 |
| Status | Valid Registration |
| Mode S Code | 50473255 |
| Mode S Code Hex | A276AD |