| Tail Number / N-Number | N6018 |
| Manufacturer | SOPWITH |
| Model | PUP |
| Year Built | 1971 |
| Manufacturer's Serial Number | A-635 |
| 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 | LERHONE |
| Engine Model | TYPE C |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 80 hp (60 kW) |
| Average Cruising Speed | 112 miles per hour |
| Type of Registrant | Corporation |
| Owner Name | WINDWARD AVIATION INC |
| Street | 9404 E MARGINAL WAY S |
| City | TUKWILA |
| State | WA |
| Zip Code | 98108-4046 |
| Region | Northwest Mountain |
| County | King County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 1975-05-16 |
| Certificate Issue Date | 2007-07-19 |
| Last Action Date | 2020-07-23 |
| Expiration Date | 2027-10-31 |
| Status | Valid Registration |
| Mode S Code | 51747146 |
| Mode S Code Hex | A7CE66 |