| Tail Number / N-Number | N357AF |
| Manufacturer | KEUTHAN AVIATION |
| Model | ZEPHYR II |
| Year Built | 1995 |
| Manufacturer's Serial Number | KZ2AF007 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Light Sport |
| Number of Seats | 2 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | ROTAX |
| Engine Model | 582SER |
| Engine Type | 2 Cycle |
| Number of Engines | 1 engine |
| Horsepower | 65 hp (48 kW) |
| Type of Registrant | Individual |
| Owner Name | FROST ALONZO L |
| Street | 2543 CARTER GROVE RD |
| City | HAZEL GREEN |
| State | AL |
| Zip Code | 35750-9723 |
| Region | Southern |
| County | Madison County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 2008-01-06 |
| Certificate Issue Date | 2015-04-03 |
| Last Action Date | 2021-02-16 |
| Expiration Date | 2028-04-30 |
| Status | Valid Registration |
| Mode S Code | 50777324 |
| Mode S Code Hex | A3FED4 |