Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N7789S.
| Tail Number / N-Number | N7789S |
| Manufacturer | SCHWEIZER |
| Model | SGS 2-33A |
| Year Built | 1969 |
| Manufacturer's Serial Number | 159 |
| Aircraft Type | Glider |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 2 seats |
| 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 | 73 miles per hour |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1969-06-16 |
| Last Action Date | 1989-08-23 |
| Last Status | N-Number assigned, has not been registered and is pending cancellation |
| Cancellation Date | 2011-04-15 |
| Mode S Code | 52505143 |
| Mode S Code Hex | AA8A63 |