| Tail Number / N-Number | N91873 |
| Manufacturer | SCHWEIZER |
| Model | SGS 1-23 |
| Manufacturer's Serial Number | 8 |
| 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 | 58 miles per hour |
| Type of Registrant | Co-Ownership |
| Owner Name | GRANT JAMES B |
| Other Names |
|
| Street | PO BOX 7 |
| City | FAIRVIEW |
| State | OR |
| Zip Code | 97024-0007 |
| Region | Northwest Mountain |
| County | Multnomah County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1960-09-14 |
| Certificate Issue Date | 2017-07-13 |
| Last Action Date | 2022-02-07 |
| Expiration Date | 2027-07-31 |
| Status | Valid Registration |
| Mode S Code | 53133714 |
| Mode S Code Hex | ACB7CC |