Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N7731S.
| Tail Number / N-Number | N7731S |
| Manufacturer | SCHWEIZER |
| Model | SGS 1-26D |
| Year Built | 1968 |
| Manufacturer's Serial Number | 431 |
| 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) |
| Number of Engines | 0 engines |
| Average Cruising Speed | 58 miles per hour |
| Type of Registrant | Individual |
| Owner Name | MURPHY W S |
| Street | 44999 CHRISTY ST |
| City | FREMONT |
| State | CA |
| Zip Code | 94538 |
| Region | Western-Pacific |
| Certificate Issue Date | 1970-01-05 |
| Last Status | Valid Registration |
| Cancellation Date | 1973-05-25 |
| Mode S Code | 52473270 |
| Mode S Code Hex | AA76B8 |