| Tail Number / N-Number | N7721S |
| Manufacturer | SCHWEIZER |
| Model | SGS 1-26C |
| Year Built | 1969 |
| Manufacturer's Serial Number | 399 |
| 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 | RATHBUN DAVID B |
| Street | 900 CYPRESS POINT LOOP |
| City | ASHLAND |
| State | OR |
| Zip Code | 97520-3754 |
| Region | Northwest Mountain |
| County | Jackson County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1969-07-11 |
| Certificate Issue Date | 2022-11-02 |
| Last Action Date | 2022-11-02 |
| Expiration Date | 2029-11-30 |
| Status | Valid Registration |
| Mode S Code | 52471401 |
| Mode S Code Hex | AA7301 |