| Tail Number / N-Number | N4391S |
| Manufacturer | DESRUISSEAUX STEVEN |
| Model | 1998 SEAREY |
| Year Built | 1999 |
| Manufacturer's Serial Number | 1MK157 |
| Aircraft Type | Fixed wing single engine |
| Category | Amphibian |
| Builder Certification | Not Type Certificated |
| Number of Seats | 2 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | BOMBARDIER |
| Engine Model | ROTAX (ALL) |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Type of Registrant | LLC |
| Owner Name | JK AEROSPACE LLC |
| Street | 906 N MAIN ST STE 2 |
| City | WICHITA |
| State | KS |
| Zip Code | 67203-3623 |
| Region | Central |
| County | Sedgwick County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 1999-04-21 |
| Certificate Issue Date | 2020-06-03 |
| Last Action Date | 2023-01-22 |
| Expiration Date | 2027-06-30 |
| Status | Valid Registration |
| Mode S Code | 51243431 |
| Mode S Code Hex | A54719 |