| Tail Number / N-Number | N7513U |
| Manufacturer | WATSON |
| Model | S-1S |
| Year Built | 1965 |
| Manufacturer's Serial Number | 101 |
| 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 | O&VO-360 SER |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 180 hp (134 kW) |
| Average Cruising Speed | 108 miles per hour |
| Type of Registrant | Co-Ownership |
| Owner Name | WITT WILLIAM A |
| Other Names |
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| Street | PO BOX 1185 |
| City | ENNIS |
| State | MT |
| Zip Code | 59729-1185 |
| Region | Northwest Mountain |
| County | Madison County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 1980-04-25 |
| Certificate Issue Date | 2007-11-14 |
| Last Action Date | 2021-09-02 |
| Expiration Date | 2028-12-31 |
| Status | Valid Registration |
| Mode S Code | 52420224 |
| Mode S Code Hex | AA2094 |