| Tail Number / N-Number | N1104S |
| Manufacturer | SCHWEIZER |
| Model | SGS 1-26E |
| Year Built | 1971 |
| Manufacturer's Serial Number | 504 |
| 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 | DOCHERTY DENNIS G |
| Street | 96 BOX MILL RD |
| City | BOXBOROUGH |
| State | MA |
| Zip Code | 01719-1521 |
| Region | New England |
| County | Middlesex County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1971-04-16 |
| Certificate Issue Date | 2013-08-02 |
| Last Action Date | 2022-07-02 |
| Expiration Date | 2029-08-31 |
| Status | Valid Registration |
| Mode S Code | 50027450 |
| Mode S Code Hex | A02F28 |