| Tail Number / N-Number | N931Z |
| Manufacturer | SMITH MINIPLANE |
| Model | DSA-1 |
| Year Built | 1968 |
| Manufacturer's Serial Number | SE-1 |
| 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 | 0-320 SERIES |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 180 hp (134 kW) |
| Average Cruising Speed | 86 miles per hour |
| Type of Registrant | Individual |
| Owner Name | MASON FRED B |
| Street | 660 STAPF RD |
| City | WATERFORD |
| State | OH |
| Zip Code | 45786-6304 |
| Region | Great Lakes |
| County | Washington County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 1980-07-10 |
| Certificate Issue Date | 2011-10-17 |
| Last Action Date | 2020-06-23 |
| Expiration Date | 2027-10-31 |
| Status | Valid Registration |
| Mode S Code | 53165637 |
| Mode S Code Hex | ACEB9F |