| Tail Number / N-Number | N4265 |
| Manufacturer | SPEALMAN |
| Model | BRIEGLEB BG12-16 |
| Year Built | 1972 |
| Manufacturer's Serial Number | 221 |
| 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 | ALSTON BRADLEY K |
| Street | 8327 S ASHLEY AVE |
| City | SANDY |
| State | UT |
| Zip Code | 84093-1176 |
| Region | Northwest Mountain |
| County | Salt Lake County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 1980-05-14 |
| Certificate Issue Date | 2016-10-24 |
| Last Action Date | 2022-05-20 |
| Expiration Date | 2029-10-31 |
| Status | Valid Registration |
| Mode S Code | 51212360 |
| Mode S Code Hex | A514F0 |