| Tail Number / N-Number | N791S |
| Manufacturer | STAUDACHER HYDROPLANES INC |
| Model | S-300 |
| Year Built | 1991 |
| Manufacturer's Serial Number | 007 |
| Aircraft Type | Fixed wing single engine |
| 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 | LYCOMING |
| Engine Model | IO-540 SER |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 300 hp (224 kW) |
| Type of Registrant | Individual |
| Owner Name | OMAN LEE |
| Street | 254 GREYWOLF RD |
| City | SEQUIM |
| State | WA |
| Zip Code | 98382-7572 |
| Region | Northwest Mountain |
| County | Clallam County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 1991-05-16 |
| Certificate Issue Date | 2011-01-18 |
| Last Action Date | 2022-08-13 |
| Expiration Date | 2030-01-31 |
| Status | Valid Registration |
| Mode S Code | 52536514 |
| Mode S Code Hex | AABD4C |