| Tail Number / N-Number | N91881 |
| Manufacturer | SCHWEIZER |
| Model | SGS 1-23C |
| Year Built | 1952 |
| Manufacturer's Serial Number | 18 |
| Aircraft Type | Glider |
| Category | Land |
| Builder Certification | Not 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 | BURNS ROBERT A |
| Street | 34089 191ST ST |
| City | LEAVENWORTH |
| State | KS |
| Zip Code | 66048-8459 |
| Region | Central |
| County | Leavenworth County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1957-06-04 |
| Certificate Issue Date | 2006-07-17 |
| Last Action Date | 2020-10-14 |
| Expiration Date | 2028-03-31 |
| Status | Valid Registration |
| Mode S Code | 53133755 |
| Mode S Code Hex | ACB7ED |