| Tail Number / N-Number | N3904A |
| Manufacturer | SCHWEIZER |
| Model | SGS 1-26C |
| Manufacturer's Serial Number | 91 |
| 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 |
| Average Cruising Speed | 58 miles per hour |
| Type of Registrant | Individual |
| Owner Name | ATKINS MARK L |
| Street | 525 W UNION GROVE CIR |
| City | AUBURN |
| State | GA |
| Zip Code | 30011-2364 |
| Region | Southern |
| County | Barrow County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1959-05-19 |
| Certificate Issue Date | 2021-12-13 |
| Last Action Date | 2021-12-13 |
| Expiration Date | 2028-12-31 |
| Status | Valid Registration |
| Mode S Code | 51102656 |
| Mode S Code Hex | A485AE |