| Tail Number / N-Number | N78JN |
| Manufacturer | ZIMMERMAN |
| Model | STEPHENS AKRO |
| Year Built | 1971 |
| Manufacturer's Serial Number | 434 |
| 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 | 67 miles per hour |
| Type of Registrant | Corporation |
| Owner Name | MUSEUM OF FLIGHT FOUNDATION |
| Street | 9404 E MARGINAL WAY S |
| City | SEATTLE |
| State | WA |
| Zip Code | 98108-4097 |
| Region | Northwest Mountain |
| County | King County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 1980-07-02 |
| Certificate Issue Date | 1995-09-23 |
| Last Action Date | 2020-12-30 |
| Expiration Date | 2028-05-31 |
| Status | Valid Registration |
| Mode S Code | 52507402 |
| Mode S Code Hex | AA8F02 |