Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N5721S.
| Tail Number / N-Number | N5721S |
| Manufacturer | SCHWEIZER |
| Model | SGS 2-33 |
| Year Built | 1967 |
| Manufacturer's Serial Number | 67 |
| 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 |
| Type of Registrant | Corporation |
| Owner Name | BLUE THERMAL INC |
| Street | 84768 EASTSIDE RD |
| City | MILTON FREEWATER |
| State | OR |
| Zip Code | 97862-7076 |
| Country | US |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1967-12-21 |
| Certificate Issue Date | 1978-07-14 |
| Last Action Date | 2009-05-19 |
| Last Status | Registration Expired – Pending Cancellation |
| Cancellation Date | 2015-05-19 |
| Mode S Code | 51654143 |
| Mode S Code Hex | A75863 |