| Tail Number / N-Number | N633S |
| Manufacturer | SCHWEIZER |
| Model | SGS 1-26E |
| Year Built | 1975 |
| Manufacturer's Serial Number | 633 |
| 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 | 57 miles per hour |
| Type of Registrant | Individual |
| Owner Name | MIZE DARRELL C |
| Street | PO BOX 570 |
| City | SNYDER |
| State | TX |
| Zip Code | 79550-0570 |
| Region | Southwestern |
| County | Scurry County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 2003-10-08 |
| Certificate Issue Date | 2006-09-28 |
| Last Action Date | 2020-11-19 |
| Expiration Date | 2028-04-30 |
| Status | Valid Registration |
| Mode S Code | 52045161 |
| Mode S Code Hex | A84A71 |